NXP TEA1716T HV start-up resonant LLC PFC combo controller User Guide

NXP TEA1716T HV start-up resonant LLC PFC combo controller User Guide

UM10557

TEA1716DB1255 90 W notebook adapter demo board Rev. 1.1 — 7 January 2015 User manual

Document information Info Content Keywords Abstract

TEA1716DB1255, TEA1716T, 90 W notebook adapter, LLC, resonant, half-bridge, PFC, controller, converter, burst mode, power supply, demo board This user manual describes the application of the TEA1716DB1255 demo board. The TEA1716T includes a PFC controller as well as a controller for a half-bridge resonant converter.

This document describes a 90 W resonant switching mode power supply for a typical notebook adapter design with the TEA1716T controller IC. The TEA1716DB1255 demo board provides an output of 19.5 V/4.65 A. It operates in normal mode for medium and high-power levels and in burst mode for low-power levels. Burst mode operation provides a reduction of power losses to increase performance.

The efficiency at high power is well above 90 % and the no-load power consumption is well below 200 mW. At 250 mW output power the input power is lower than 450 mW (EUP lot6 compliant).

NXP Semiconductors

Revision history Rev Date

v.1.1

v.1

20150107 20121210

Description

updated issue first issue

UM10557 TEA1716DB1255 90 W notebook adapter demo board

Contact information

For more information, please visit:

http://www.nxp.com

For sales office addresses, please send an email to:

[email protected]

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1. Introduction

WARNING Lethal voltage and fire ignition hazard

The non-insulated high voltages that are present when operating this product, constitute a risk of electric shock, personal injury, death and/or ignition of fire. This product is intended for evaluation purposes only. It shall be operated in a designated test area by personnel qualified according to local requirements and labor laws to work with non-insulated mains voltages and high-voltage circuits. This product shall never be operated unattended.

1.1 Scope of this document

This document describes the TEA1716DB1255 90 W notebook adapter demo board using the TEA1716T. A functional description is given, including a set of measurements to show the main characteristics.

1.2 TEA1716T

The TEA1716T integrates a controller for Power Factor Correction (PFC) and a controller for a half-bridge resonant converter (HBC). It provides the drive function for the discrete MOSFET for the upconverter and for the two discrete power MOSFETs in a resonant half-bridge configuration.

The resonant controller part is a high-voltage controller for a zero voltage switching LLC resonant converter. The resonant controller part of the IC includes a high-voltage level shift circuit. It also includes several protection features such as OverCurrent Protection (OCP), Open-Loop Protection (OLP), capacitive mode protection and a general purpose latched protection input.

In addition to the resonant controller, the TEA1716T contains a Power Factor Correction (PFC) controller. Functions such as quasi-resonant operation at high-power levels and quasi-resonant operation with valley skipping at lower power levels obtain the PFC’s efficient operation. OCP, OverVoltage Protection (OVP) and demagnetization sensing, ensure safe operation under all conditions.

The proprietary high-voltage BCD Power logic process enables direct start-up from the rectified universal mains voltage in an efficient way. A second low-voltage Silicon-On-Insulator (SOI) IC is used for accurate, high-speed protection functions and control.

The combination of PFC and a resonant controller in one IC makes the TEA1716T very suitable for notebook adapter power supplies, desktop PCs and all-in-one PC applications.

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&2033)& 6160$,16 616$8;3)& 616&853)& 616287 683,& *$7(3)& 3*1' 6835(* *$7(/6 QF 683+9

Fig 1.

TEA1716T pin configuration ,&

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UM10557 TEA1716DB1255 90 W notebook adapter demo board

1.3 Setup of the 90 W notebook adapter

a. Top view UM10557

User manual Fig 2.

b. Bottom view

TEA1716DB1255 90 W notebook adapter demo board

The TEA1716DB1255 demo board can operate at a mains input voltage between 90 V and 264 V (universal mains).

The demo board contains two subcircuits:

• •

A Power Factor Converter (PFC): BCM type A Half-Bridge Converter (HBC): resonant LLC-type The TEA1716T control both converters.

At low power, the converters operate in burst mode to reduce power losses.

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The purpose of the demo board is to show the operation of the TEA1716T in a single output supply including burst mode operation. The performance is in alignment with current general standards, including the EuP lot6 requirements, and can be used as a starting point for further development.

1.4 Input and output properties

Table 1.

Symbol

V i f i P P i(no-load)

Input data Description

input voltage input frequency i(load=250mW) No-load input power standby power consumption

Conditions

AC at 230 V; 50 Hz at 230 V; 50 Hz

Table 2.

Symbol

V o V o(ripple)(p-p) I o

Output data Description

output voltage peak-to-peak output ripple voltage output current

Specification

90 to 264 47 to 60 < 300 < 450

Conditions

bandwidth = 20 M Hz

Specification

19.5

< 150 continuous 0 to 4.65

Unit

V (RMS) Hz mW mW

Unit

V mV A UM10557

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Connect the board to the mains voltage. Avoid touching the board while it is connected to the mains voltage. An isolated housing is obligatory when used in uncontrolled, non-laboratory environments. Galvanic isolation of the mains phase using a variable transformer is always recommended.

019aab173

Fig 3.

a. Isolated b. Not isolated

Variable transformer (Variac) isolation symbols

019aab174

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3. Measurements

• • • •

Oscilloscope: Yokogawa DL9140L AC Power Source: Agilent 6812B Electronic load: Agilent 6063B Digital power meter: Yokogawa WT210 The rise time of the output voltage (measured from the 10 % to the 90 % nominal output point) is between 3 ms and 10 ms, depending on the output current load.

Fig 4.

a. Start-up at 230 V mains and no-load (0 A)

Start-up behavior

b. Start-up at 100 V mains and nominal load (4.65 A)

3.3 Efficiency 3.3.1 Efficiency characteristics

Efficiency measurements were made measuring the output voltage on the board (not taking into account the losses in an output connection cable).

Table 3.

Condition Efficiency results Energy star 2.0 efficiency requirement (%)

100 V; 60 Hz 230 V; 50 Hz > 87 > 87

Efficiency (%) Average 25 % load

90.7

93.2

88.5

91.8

50 % load 75 % load 100 % load

90.8

93.2

91.8

93.8

91.5

93.8

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Ș

UM10557 TEA1716DB1255 90 W notebook adapter demo board

DDD

(1) V mains = 230 V (2) V mains = 100 V a. Efficiency as a function of output power (range 0 % to 100 %) 3 R :

DDD

Ș 3 R : (1) V mains = 230 V (2) V mains = 100 V b. Efficiency as a function of output power (range 75 % to 100 %)

Fig 5.

Efficiency as a function of output power

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3.3.2 Power Factor Correction (PFC)

Table 4.

Condition Power factor correction Energy Star 2.0 requirement

90 V; 60 Hz 100 V; 60 Hz 115 V; 60 Hz 230 V; 50 Hz 264 V; 50 Hz  0.9

Output power (W)

90 90 90 90 90

Power factor

0.99

0.99

0.98

0.91

0.88

3.3.3 No-load power consumption

Table 5.

Condition

90 V; 60 Hz

Output voltage and power consumption at no-load

100 V; 60 Hz 115 V; 60 Hz 230 V; 50 Hz 264 V; 50 Hz

Energy Star 2.0 requirement (mW)

 500  500  500  500  500

Output voltage (V)

19.5

19.5

19.5

19.5

19.5

No load power consumption (mW)

140 140 140 170 170

3.3.4 Standby load power consumption

Table 6.

Condition Output voltage and power consumption in standby Output voltage (V) Power consumption (mW) Output power = 250 mW

90 V; 60 Hz 19.5

430 100 V; 60 Hz 115 V; 60 Hz 230 V; 50 Hz 264 V; 50 Hz 19.5

19.5

19.5

19.5

430 430 445 445 UM10557

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3 L :

DDD

UM10557 TEA1716DB1255 90 W notebook adapter demo board

DDD

3 L : 3 R : a. Full output power range (0 W to 90 W) (1) V mains = 100 V (2) V mains = 230 V

Fig 6.

Power consumption as a function of input power

3 R : b. Enlargement of the low output power part of the characteristics Burst mode operation is implemented. It improves the performance at low output load, so no-load and standby power consumption requirements (see

Section 3.3.3

and

Section 3.3.4

) can be achieved. The converter operates at less than approximately 30 W

output power in burst mode. Between 30 W and 50 W output power the burst mode is triggered temporarily because of the ripple on the PFC output voltage.

Without burst mode operation, the power supply consumes approximately 2 W at no-load output.

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3 L 3 R :

UM10557 TEA1716DB1255 90 W notebook adapter demo board

DDD

3 R : (1) V mains = 100 V (2) V mains = 230 V

Fig 7.

Reduction of power losses by burst mode operation at low output power Fig 8.

a. PFC continues switching until regulation level is reached

Burst mode operation

b. Output voltage ripple and current to the output The interruptive character of burst mode can lead to the generation of unwanted audible noise. Because the system only operates in burst mode at low-power levels, audible noise levels are low.

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Normal load transients lead to a ripple on the output voltage  750 mV.

When a worse case timing sequence is applied, the voltage drop can be 2 V (  10 %).

Fig 9.

a. Worse case test sequence b. Normal case test sequence

Behavior of output current load step (0 - nominal) sequences: burst mode - normal mode

Tested with a higher current (dynamic overload) on the output voltage, the OPP is activated when the current exceeds 6.3 A (123 W). This corresponds with a load condition that is 35 % higher than the rated power for continuous use. The SNSCURHBC function of the TEA1716T which monitors the primary resonant current detects the OPP. When the voltage on the SNSCURHBC pin exceeds 0.5 V (or  0.5 V), the protection timer is started.

UM10557

User manual Fig 10. Overpower protection

In some test conditions, another protection function can be triggered to initiate a restart

(for example the SUPIC_UVP, see Section 3.8

).

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The output is set to full load and the mains supply voltage of 100 V disconnected. The time that passes before the output voltage falls below 90 % of its initial value, is measured. The hold-up time is 32 ms.

Fig 11. Hold-up time at V mains = 100 V and nominal load

A short circuit on the output of the resonant converter causes the primary current to increase. The SNSCURHBC function detects the increase. It leads to running on a higher frequency (OCR) until the protection timer RCPROT reaches its protection level (4 V). The RCPROT function performs its restart timer function and restarts when the voltage has dropped to 0.5 V. When the short circuit situation is resolved, the converter starts up and runs normally again.

While SNSCURHBC is running in OCR, it reduces the amount of primary current. This reduction leads to a limited output current and voltage. It also affects the auxiliary supply that provides the supply voltage for the TEA1716T. In this demo board, the voltage drop on SUPIC reaches the UVP level (13 V) before the protection timer RCPROT has reached 4 V. The SUPIC-UVP function initiates the restart.

UM10557

User manual Fig 12. Protection and restart at output short circuit

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a. Normal operation at nominal output power

Fig 13. Resonant switching at primary side

b. Burst mode operation at 250 mW output power UM10557

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Fig 14. Circuit diagram TEA1716DB1255 demo board

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Fig 15. Circuit diagram TEA1716DB1255 demo board with comments

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& ' / 9) & & 4 5 ' 5 & 4 / 5 ( 4 + ( &1 )* / ) $9 / + ( 8 ' & 1;3 7 ( / ( '

DDD

a. Components top view b. Copper tracks and components bottom view (in blue) and components on top (in red)

Fig 16. TEA1716DB1255 demo board PCB layout

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5 5 &)0,1 5&& &683+6

DDD

Fig 17. Layout area near CFMIN pin: Advice from AN11179, “TEA1716 resonant power

supply control IC with PFC”

UM10557

User manual Fig 18. Layout area near CFMIN pin: Practical implementation in the TEA1716DB1255 demo board

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6. Bill Of Materials (BOM)

Table 7.

Reference

C101 C104 C105 C106 C107

TEA1716DB1255 demo board bill of materials Description and values

x-capacitor; 330 nF; 275 V; RAD0.6H

thin film capacitor; 0.47

 F; 450 V; rad0.4V

ceramic capacitor; 805 thin film capacitor; 0.47

 F; 450 V; rad0.4V

ceramic capacitor; 100 pF; 1 kV; 1206 -

Part number

C108 C109 C110 C111 C112 C113 C114 C115 C116 ceramic capacitor; 47 nF; 50 V; 805 ceramic capacitor; 4.7 nF; 50 V; 805 ceramic capacitor; 47 pF; 1 kV; 1206 ceramic capacitor; 47 pF; 1 kV; 1206 ceramic capacitor; 1 nF; 1 kV; 1206 thin film capacitor; 22 nF; 1 kV; RAD0.6(0.8)-3P ceramic capacitor; 2.2 nF; 16 V; 805 ceramic capacitor; 390 nF; 50 V; 805 ceramic capacitor; 10 nF; 16 V; 1206 C117 C118 C120 C121 C122 C123 C124 C125 C126 C127 C128 C132 C133 C134 CN101 D101 D102 D103 D104 D105 D106 D107 D108 D109 ceramic capacitor; 330 nF; 50 V; 805 ceramic capacitor; 680 nF; 50 V; 805 ceramic capacitor; 2  F; 50 V; 805 ceramic capacitor; 2  F; 50 V; 805 ceramic capacitor; 470 nF; 16 V; 805 ceramic capacitor; 150 nF; 16 V; 805 ceramic capacitor; 390 pF; 16 V; 805 ceramic capacitor; 220 nF; 16 V; 805 ceramic capacitor; 2.2

 F; 16 V; 805 ceramic capacitor; 2.2

 F; 16 V; 805 Y1-capacitor; 2.2 nF; C10(0.6)-1F ceramic capacitor; 680 nF; 16 V; 1206 ceramic capacitor; 2.2 nF; 16 V; 805 ceramic capacitor; 270 nF; 16 V; 805 connector; 3.96X5

diode bridge diode; diode0.7

diode; sc-76 diode; sc-76 diode; sc-76 diode; sc-76 diode; SMB diode; sc-76 diode; TO-220 ST-A04-001JT6T4 GBU806 MUR460 BAS316 BAS316 BAS316 BAS316 MURS160 BAS316 MBR2060 UM10557

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Manufacturer

Diodes Vishay Vishay ON Semiconductors © NXP Semiconductors N.V. 2015. All rights reserved.

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J10 J11 J12 J13 J14 L101 L102 L103 L104 L105 Q100 Q102 Q103 R101 R102 R103 R104 R105 R106 R107 J2 J3 J4 J5 J6 J7 J8 J9

Table 7.

Reference

D110

TEA1716DB1255 demo board bill of materials

…continued

Description and values

diode; TO-221

Part number

MBR2060 D111 E101 E102 E103 E106 E107 F101 H1 H2 J1 diode; sc-76 electrolytic capacitor; 68  F; 450 V; EC16/8H electrolytic capacitor; 220  F; 35 V; RB.1/.2

electrolytic capacitor; 4.7

 F; 16 V; RB.1/.2

electrolytic capacitor; 470  F; 35 V; EC5/10H electrolytic capacitor; 470  F; 35 V; EC5/10H fuse; 3.15 A; 250 V; FUSH_1 108  23  3 80  23  3 jumper; 6.8 mm BAS316 jumper: 9.2 mm jumper; 2.9 mm jumper; 31 mm jumper; 28 mm jumper; 31 mm jumper; 31 mm jumper; 15 mm jumper; 17.5 mm jumper; 20.9 mm jumper; 6.6 mm jumper; 13.9 mm jumper; 13.2 mm jumper; 6.6 mm common choke; 1 mH; 1 A; L0.2H

common choke; 12.8 mH; L0.4

inductor; 220  H; EM1H PFC choke; RM8; jumper; 6.6 mm MOSFET; TO-220H MOSFET; TO-220H MOSFET; TO-220H resistor; 2 M  ;  5 %; 1206 resistor; 2 M  ;  5 %; 1206 resistor; 5.1 k  ;  5 %; 1206 resistor; 10  ;  5 %; 805 resistor; 100 k  ;  5 %; 1206 resistor; 12 k  ;  5 %; 805 resistor; 1 k  ;  5 %; 805 PFC_PQ2620 2SK3568 SPA04N60C3 SPA04N60C3 UM10557

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UM10557 TEA1716DB1255 90 W notebook adapter demo board Table 7.

Reference

R108 R109 R110 R111A R111B R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R123 R124 R125 R125A R126 R127 R130 R132 R133 R134 R138 R139 R140A R140B R141 RJ1 RJ2 RJ3 RJ4 RJ5

TEA1716DB1255 demo board bill of materials

…continued

Description and values

resistor; 560 k  ;  5 %; 805 resistor; 4.7 M  ;  1 %; axial0.4

resistor; 4.7 M  ;  1 %; axial0.4

resistor; 3.6 k  ; 

1 %; 805 [1]

resistor; 56 k  ;  1 %; 805 resistor; 100 m  ;  1 %; resV resistor; 0  ; 1206 resistor; 10  ;  5 %; 805 resistor; 22  ;  5 %; 805 resistor; 22  ;  5 %; 805 resistor; 10  ;  5 %; 805 resistor; 10  ;  5 %; 402 resistor; 0  ; 1206 resistor; 270 k  ; 805 resistor; 43 k  ; 805 resistor; 3.3 k  ; 805 resistor; 1 k  ; 805 resistor; 5.6 k  ; 805 resistor; 8.2 k  ; 805 resistor; 1.5 k 

; 805 [1]

resistor; 0  ; 805 resistor; 1 k  ; 805 resistor; 75 k  ; 805 resistor; 33 k  ; 805 resistor; 47 k  ; 805 resistor; 3.6 k  ; 805 resistor; 12 k  ; 805 resistor; 68 k  ;  1 %; 805 resistor; 0 

; 805 [1]

resistor; 10 k  ;  1 %; 805 resistor; 2.7 k  ; 805 resistor; 0  ; 805 resistor; 0  ; 805 resistor; 0  ; 805 resistor; 0  ; 805 resistor; 0  ; 805 -

Part number

-

Manufacturer

UM10557

User manual

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UM10557 TEA1716DB1255 90 W notebook adapter demo board Table 7.

Reference

T101

TEA1716DB1255 demo board bill of materials

…continued

Description and values

transformer; TR2

Part number

LP-2920 U101 U105 U106 VF101 IC; TEA1716T IC; TL431BFDT optocoupler; SMD MOV; 2k471; rad0.4

SO-24 TO92/SOT54 SFH628A-2 [1] This value can be different in a batch of boards.

Manufacturer

Yujingtech NXP Semiconductors NXP Semiconductors UM10557

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UM10557 TEA1716DB1255 90 W notebook adapter demo board

7. Appendix 1: Resonant transformer data

PD[ PD[ PD[ “ 0

User manual

E D 1 3,1 E‘F7V7(;( 3,1 3,1 D‘F7V7(;( 3,1 0

Fig 19. Resonant transformer LP-2920HA63

All information provided in this document is subject to legal disclaimers.

Rev. 1.1 — 7 January 2015

1 1 3,1 1‘VF7V/,7= 1‘VF7V/,7= 3,1 3,1

DDD

© NXP Semiconductors N.V. 2015. All rights reserved.

24 of 29

NXP Semiconductors

UM10557 TEA1716DB1255 90 W notebook adapter demo board Table 8.

Electrical specification

HP: 4284A ZENTECH: 3200B, 502A, F = 100 kHz, V = 1 V, at 25

C

No

L1 L2a L2b L3 L4 Lk

Start

3 2 5 11 9 3

Finish

6 1 4 12 10 6

Wire

0.10

  25 s  1  (LITZ) 0.20

  1  (TEX-E) 0.20

  1  (TEX-E) 0.10

  100 s  1  (LITZ) 0.10

  100 s  1  (LITZ) 0.10

  25 s  1  (LITZ) Y Y Y

Color

Y Y Y

Turns

50  0.5

5  0.5

5  0.5

5  0.5

5  0.5

50  0.5

Inductance DCR (m

)

1.4 mH ±10 % 334 max 19.0

 H REF 19.0

 H REF 12.0

 H REF 12.0

 H REF 250 max 250 max 9 max 9 max 225  H  10 % at secondary short UM10557

User manual

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UM10557 TEA1716DB1255 90 W notebook adapter demo board

8. Appendix 2: PFC coil data

9 7 N1 S1 N2 S2 5 1

Fig 20. Transformer schematic diagram

N2 N1 BOBBIN

019aab687

Table 9.

No Pin Winding specification Wire

N1

Start

9

Finish

7 N2 S1 S2 5 1 1 0.1

  30 0.22

  2 0.05 t  14 mm 0.05 t  14 mm

Turns Winding method

40 2 1 center center center -

Margin tape

-

Primary Insulation

-

Secondary Turn

1 1 1

Width

10 mm 10 mm 14 mm (S2) 1 center 1 14 mm (S1)

Table 10.

Inductance

Electrical characteristic

Leakage inductance

Pins

9 to 7 9 to 7

Specification

250  H  10 % N/A

8.4 Core, bobbin and marking

Core and bobbin: • • •

Core: RM-10 (Ferroxcube RM/I or equivalent) Bobbin: RM-10 (12 pin, vertical type) Ae: 96.6 mm 2

Marking: •

PFC-APBADC015 -

Remarks

60 kHz, 1 V UM10557

User manual

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UM10557 TEA1716DB1255 90 W notebook adapter demo board

9. Abbreviations

Table 11.

Acronym

BCM

Abbreviations Description

Boundary conduction Mode CMP EMC EMI FSP HBC MOSFET OCP OPP Capacitive Mode Protection ElectroMagnetic Compatibility ElectroMagnetic Interference Failed Start Protection Half-Bridge resonant Converter Metal-Oxide Semiconductor Field-Effect Transistor OverCurrent Protection OverPower Protection OVP OLP PCB PFC RMS SOI ZVS OverVoltage Protection Open-Loop Protection Printed-Circuit Board Power Factor Correction Root Mean Square Silicon-On-Insulator Zero Voltage Switching

10. References

[1] [2] [3] TEA1716T —

Data sheet: Resonant power supply control IC with PFC

AN11179 —

Application note: TEA1716 resonant power supply control IC with PFC

Calculation sheet —

http://www.nxp.com/technical_support/designportal/llc UM10557

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UM10557 TEA1716DB1255 90 W notebook adapter demo board

11. Legal information 11.1 Definitions

Draft —

The document is a draft version only. The content is still under internal review and subject to formal approval, which may result in modifications or additions. NXP Semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information.

11.2 Disclaimers

Limited warranty and liability —

Information in this document is believed to be accurate and reliable. However, NXP Semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. NXP Semiconductors takes no responsibility for the content in this document if provided by an information source outside of NXP Semiconductors.

In no event shall NXP Semiconductors be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation - lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. Notwithstanding any damages that customer might incur for any reason whatsoever, NXP Semiconductors’ aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the

Terms and conditions of commercial sale

of NXP Semiconductors.

Right to make changes —

NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof.

Suitability for use —

NXP Semiconductors products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical systems or equipment, nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. NXP Semiconductors and its suppliers accept no liability for inclusion and/or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customer’s own risk.

Applications —

Applications that are described herein for any of these products are for illustrative purposes only. NXP Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Customers are responsible for the design and operation of their applications and products using NXP Semiconductors products, and NXP Semiconductors accepts no liability for any assistance with applications or customer product design. It is customer’s sole responsibility to determine whether the NXP Semiconductors product is suitable and fit for the customer’s applications and products planned, as well as for the planned application and use of customer’s third party customer(s). Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. NXP Semiconductors does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer’s applications or products, or the application or use by customer’s third party customer(s). Customer is responsible for doing all necessary testing for the customer’s applications and products using NXP Semiconductors products in order to avoid a default of the applications and the products or of the application or use by customer’s third party customer(s). NXP does not accept any liability in this respect.

Export control —

This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from competent authorities.

Evaluation products —

This product is provided on an “as is” and “with all faults” basis for evaluation purposes only. NXP Semiconductors, its affiliates and their suppliers expressly disclaim all warranties, whether express, implied or statutory, including but not limited to the implied warranties of non-infringement, merchantability and fitness for a particular purpose. The entire risk as to the quality, or arising out of the use or performance, of this product remains with customer.

In no event shall NXP Semiconductors, its affiliates or their suppliers be liable to customer for any special, indirect, consequential, punitive or incidental damages (including without limitation damages for loss of business, business interruption, loss of use, loss of data or information, and the like) arising out the use of or inability to use the product, whether or not based on tort (including negligence), strict liability, breach of contract, breach of warranty or any other theory, even if advised of the possibility of such damages. Notwithstanding any damages that customer might incur for any reason whatsoever (including without limitation, all damages referenced above and all direct or general damages), the entire liability of NXP Semiconductors, its affiliates and their suppliers and customer’s exclusive remedy for all of the foregoing shall be limited to actual damages incurred by customer based on reasonable reliance up to the greater of the amount actually paid by customer for the product or five dollars (US$5.00). The foregoing limitations, exclusions and disclaimers shall apply to the maximum extent permitted by applicable law, even if any remedy fails of its essential purpose.

Safety of high-voltage evaluation products —

The non-insulated high voltages that are present when operating this product, constitute a risk of electric shock, personal injury, death and/or ignition of fire. This product is intended for evaluation purposes only. It shall be operated in a designated test area by personnel that is qualified according to local requirements and labor laws to work with non-insulated mains voltages and high-voltage circuits.

The product does not comply with IEC 60950 based national or regional safety standards. NXP Semiconductors does not accept any liability for damages incurred due to inappropriate use of this product or related to non-insulated high voltages. Any use of this product is at customer’s own risk and liability. The customer shall fully indemnify and hold harmless NXP Semiconductors from any liability, damages and claims resulting from the use of the product.

Translations —

A non-English (translated) version of a document is for reference only. The English version shall prevail in case of any discrepancy between the translated and English versions.

11.3 Trademarks

Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners.

GreenChip —

is a trademark of NXP Semiconductors N.V.

UM10557

User manual

All information provided in this document is subject to legal disclaimers.

Rev. 1.1 — 7 January 2015

© NXP Semiconductors N.V. 2015. All rights reserved.

28 of 29

NXP Semiconductors 12. Contents

1

1.1 1.2

1.3

1.4

2

3

3.1 3.2 3.3 3.3.1

3.3.2 3.3.3 3.3.4

3.4

3.5 3.6

3.7 3.8

3.9

4

5

6

7

8

8.1 8.2 8.3 8.4

9 10

11

11.1 11.2 11.3

12

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Scope of this document . . . . . . . . . . . . . . . . . . 3 TEA1716T . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Setup of the 90 W notebook adapter . . . . . . . . 5

Input and output properties. . . . . . . . . . . . . . . . 6

Safety warning . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Test facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Start-up behavior . . . . . . . . . . . . . . . . . . . . . . . 8 Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Efficiency characteristics . . . . . . . . . . . . . . . . . 8

Power Factor Correction (PFC) . . . . . . . . . . . 10 No-load power consumption . . . . . . . . . . . . . . 10 Standby load power consumption. . . . . . . . . . 10

Burst mode operation . . . . . . . . . . . . . . . . . . . 11

Transient response . . . . . . . . . . . . . . . . . . . . . 13 OverPower Protection (OPP) . . . . . . . . . . . . . 13

Hold-up time . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Short circuit protection . . . . . . . . . . . . . . . . . . 14

Resonant switching . . . . . . . . . . . . . . . . . . . . 15

Circuit diagram . . . . . . . . . . . . . . . . . . . . . . . . 16

PCB layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Bill Of Materials (BOM) . . . . . . . . . . . . . . . . . . 20

Appendix 1: Resonant transformer data . . . . 24

Appendix 2: PFC coil data. . . . . . . . . . . . . . . . 26

Transformer schematic diagram . . . . . . . . . . . 26 Winding specification . . . . . . . . . . . . . . . . . . . 26 Electrical characteristics . . . . . . . . . . . . . . . . . 26 Core, bobbin and marking . . . . . . . . . . . . . . . 26

Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 27 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Legal information. . . . . . . . . . . . . . . . . . . . . . . 28

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

UM10557 TEA1716DB1255 90 W notebook adapter demo board

Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’.

© NXP Semiconductors N.V. 2015.

All rights reserved.

For more information, please visit: http://www.nxp.com

For sales office addresses, please send an email to: [email protected]

Date of release: 7 January 2015 Document identifier: UM10557

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