The MCU used is an STLUX385A, which is part of the MASTERLUX™ family of ST digital devices tailored for lighting and power conversion. The STLUX385A has been successfully integrated in a wide range of architectures and applications, including simple buck converters for LED driving, boosts for power factor correction, half-bridge resonant converters for dimmable LED strings, full-bridge control in HID lamp ballasts, wireless power chargers and TV power supplies.

This MCU has 16 MHZ CPU frequency, 32 Kbyte program memory and 2 Kbyte of RAM.

The firmware is organized as a collection of files inside a project for Raisonance RIDE7, a fully-featured Integrated Development Environment (IDE) that provides seamless integration and easy access to the complete range of Raisonance tools and features for writing, compiling and debugging application code from a single user interface.

The firmware is released as an Intel HEX file (Rev01.HEX).

The firmware running the STLUX385A of the STEVAL-ILH007V1 allows the MCU to manage the PFC and full-bridge of the board.

STEVAL-ILH007V1 is also able to manage UART communication with a PC to show system status information.

Following CPU clock and peripheral configuration, the MCU manages the board as a finite state machine, as shown below.

Figure 4. STEVAL-ILH007V1 block diagram of the firmware

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Figure 5. STEVAL-ILH007V1 finite state machine lamp management

Firmware

The following table lists the user source.c files for the STEVAL-ILH007V1.

File

main.c

adc.c

stlux_smed.c

stlux_it.c

stmr.c

uart.c

Table 3. HID FW user source file list

Brief descriptions

Main module

ADC peripheral configuration

Automatically generated by SMED_Configurator, a PC software application

Manages the IRQ functions

Manage the requested timing

Analog to Digital Converter (ADC)

•

ADC0 VIN

•

ADC1 VBUS

•

ADC2 PFC_ISENS

•

ADC3 PFC_OK

•

ADC4 VLAMP

•

ADC5 VOUT33

•

ADC6 VTEMP

Measures the main input voltage

Measures the output voltage of the PFC stage

Currently not used

Measures of the voltage across the lamp

Checks the presence of the 3.3 V voltage regulator

Measures the temperature of the board; the sensor is currently not calibrated

DocID025509 Rev 1 9/30

Firmware

Analog comparators

CPP0 Currently not used

CPP1 Currently not used

CPP2 Currently not used

CPP3 Sets the bridge peak current value

16-bit system timer

STMR Sets the correct timing of all events for the application:

– PID controller

– drive signals of the bridge

– systems state machine

State machine event driven

SMED0

SMED1

SMED2

SMED3

SMED4

SMED5

Provides for the high frequency signal generation of the bridge; it is also used for ZCD signal synchronization and bridge peak current control

Currently not used

Generates the signals for the PFC switch

Generates the reference voltage for CPP3 comparator

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10/30 DocID025509 Rev 1

UM1694 Firmware

Table 4. Used pins

PIN Function NetName Description

PIN1

PIN2

PIN3

PIN4

PIN5

PIN6

PIN7

PIN8

PWM0

DIGIN0

DIGIN1

PWM1

PWM0

PWM1

GPIO1[2] PWM2

DIGIN2

DIGIN3

PWM5 PWM5

Generates the high frequency signal to drive the bridge low side

Digital input used to detect the PFC ZCD

Digital input used to detect the Bridge ZCD

Generates the high frequency signal to drive the bridge high side

Generates the low frequency signal to drive the bridge low side

Currently not used

PWM to voltage generator used as a reference for the analog comparator

CPP[3]

SWIM data interface PIN9

PIN10

SWIM

NRST

PIN11 VDDIO

PIN12 GNDIO

PIN13 VOUT

PIN14 GPIO0/4

PIN15 GPIO0/5

PIN16 PWM4

PIN17 DIGIN4

PIN18 DIGIN5

PIN19 GPIO1[3] PWM3

PIN20 GPIO0/2 GPIO2

PIN21 GPIO0/3 GPIO3

PIN22 UART_TX

PIN23 UART_RX

PIN24 CPP3

PIN25 CPP2

PIN26 CPM3

PIN27 CPP1

Reset

Digital and I/O power supply

Digital and I/O ground

1.8 V regulator capacitor

Red LED

Green LED

Generate the signal to drive the PFC switch.

Currently not used

Generates the low frequency signal to drive the bridge high side

U6 L6390 output enable

U7 L6390 output enable

Currently not used

IPEAK_OUT Analog comparator input used to detect the bridge peak current control

Currently not used

CPP3 analog comparator input external reference voltage

Currently not used

PIN28 CPP0

PIN29 VDDA

PIN30 GNDA

PIN31 ADCIN7

PIN32 ADCIN6 VTEMP

Currently not used

Analog power supply

Analog ground

Currently not used

Measures the output voltage of the board temperature sensor

DocID025509 Rev 1 11/30

Firmware UM1694

PIN Function NetName

Table 4. Used pins (continued)

Description

PIN33 ADCIN5 VOUT3.3

Measures the output voltage of 3.3 V regulator used to power the micro

PIN34 ADCIN4

PIN35 ADCIN3

PIN36 ADCIN2

PIN37 ADCIN1

PIN38 ADCIN0

VLAMP Measures the voltage across the lamp

PFC_OK Currently not used

PFC_ISENS Currently not used

VBUS Measures the output voltage of the PFC stage.

VIN Measures the main input voltage

Figure 6. SMED4 PFC state machine

12/30 DocID025509 Rev 1

UM1694

Figure 7. SMED0 bridge low side drive

Firmware

Figure 8. SMED1 bridge high side drive

DocID025509 Rev 1 13/30

Firmware

Figure 9. Voltage reference for bridge peak current

UM1694

Table 5. Module information

Constant size Data size Page0 size Code size Bit size

Module

Static Overlayable Static Overlayable Static Overlayable Static Overlayable Static Overlayable

Main

Stlux_confi g

Stlux_it

Stmr

Uart

ADC

1014

510

145

412

604

76 1

Table 6. Executable summary

Total EEPROM storage requirement

Total DATA storage requirement

Total CODE storage requirement

0000H (0)

02C9H (713)

11BCH (4540)

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UM1694

Firmware download into the STLUX MCU

4.1 Setup

To download the firmware to the STLUX on the board, you need:

Hardware

• an HID evaluation board

• a RAISONANCE RLink

• a RAISONANCE RLink connection adapter for STM8 and ST7

• a PC with Microsoft Windows™

• a 3.3 V power supply

Software

•

Ride7 application development software

•

RFlasher7 (if you only want to download the compiled FW code)

4.2 Installation

Begin with the connections:

• link the RAISONANCE RLink to the PC with a USB cable (Type A male / Type B male).

• link the 24-pin flat cable of the RAISONANCE RLink to the RLink connection adapter for STM8 and ST7

• link the two SWIM connectors with a 4-wire SWIM cable for the RAISONANCE RLink connection adapter for STM8 and ST7 and for the board that you are going to program

• connect the 3.3 V to supply the STLUX

Figure 10. RLink Figure 11. RLink-ADP-ST7-STM8-V1.2

On the PC, open the RFlasher7 software interface for programming the STLUX microcontroller; it provides an easy-to-use and efficient environment for reading, writing to and verifying device memory and option bytes.

DocID025509 Rev 1 15/30

Firmware download into the STLUX MCU

Follow these steps:

configure the RFlasher7 project properties to work with the STLUX385

Figure 12. RFlasher7 configuration - select the processor

UM1694

2. load the Intel HEX file for download (REV01.HEX)

Figure 13. RFlasher7 configuration - open .HEX file

16/30

3. program the STLUX microcontroller

DocID025509 Rev 1

UM1694 Firmware download into the STLUX MCU

Figure 14. RFlasher7 configuration - program the STLUX

4. reset and run

Figure 15. STVP - download FW into the program memory

DocID025509 Rev 1 17/30

STEVAL-ILH007V1 evaluation board operation

5 STEVAL-ILH007V1 evaluation board operation

UM1694

Once the STLUX has been programmed with the right firmware, you can commence evaluation board operation.

5.1 Setup

To run the evaluation board, you need:

Hardware

• a STEVAL-ILL007V1 evaluation board

• an AC power supply able to provide 230V

• a 150 W sodium or metal halide lamp

5.2 Operation

• connect the lamp to the J3 terminal

• connect the AC source to the J1 terminal

• switch the AC source on and wait a few minutes for the lamp to reach the nominal power

18/30 DocID025509 Rev 1

UM1694 STEVAL-ILH007V1 schematic

Appendix A STEVAL-ILH007V1 schematic

Figure 16. Auxiliary power supply scheme

R36 47k

C18 10uF 25V

R40 47k

C9 470uF 25V

C7 470uF 25V C16 470nF 50V

8 7

R98 22

C15 10uF 25V

DRAIN1

U4 AL

DRAIN2

DRAIN3

DRAIN4

VDD

SRC2

SRC1

GND

IREF

COMP

R44 2.7

R42 2.7

R46 24k

R34 33k

R41 47k

R45 8.2k

DocID025509 Rev 1 19/30

STEVAL-ILH007V1 schematic

Figure 17. PFC and input section

UM1694

20/30 DocID025509 Rev 1

UM1694 STEVAL-ILH007V1 schematic

Figure 18. Full-bridge scheme

DocID025509 Rev 1 21/30

STEVAL-ILH007V1 schematic

Figure 19. Control section scheme

UM1694

C5 100pF

C6 100pF

C50 22pF

C54 22pF

C39 100pF

C38 100pF

22/30 DocID025509 Rev 1

UM1694 Bill of material

Item Quantity Reference

CX1,CX2,C3,

C33

Table 7. Bill of material (BOM)

Value

220 nF,10%

100 µF,20%

Rated

520 V

500 Vdc

Type Package Manufacturer

polypropylene film capacitor through hole lead spacing

15 mm electrolytic capacitor through hole lead spacing

10 mm

C2,C4,C11,C29,

C31,C34,C35,

C36,C40,C41,

C45,C46,C51,

C52

100 nF,10% 50 V

X7R ceramic capacitor

SMD 0603

4 1 C3 220 nF,10% 520 V polypropylene film capacitor through hole lead spacing

15 mm

5 12

C5,C6,C10,C13,

C20,C24,C27,

C28,C38,C39,

C42,C56

100 pF,5% 50 Vdc

C0G ceramic capacitor

SMD 0603

C7,C9,C14

C8,C16,C17,

C19

C12,C47,C48,

C49,C55

C15,C18

C21

C22

C23

C19

C25

470 µF,20%

470 nF,10%

1 µF,10%

10 µF,20%

100 pF10%

22 µF,20%

4.7 µF,10%

470 nF,10%

1 nF,10%

25 V

50 V

25 Vdc

50 V

6.3 kV

25 V

50 V

50 V electrolytic capacitor through hole lead spacing

3.5 mm

X7R ceramic capacitor

SMD 1206

SMD 0805 electrolytic capacitor high voltage ceramic capacitor electrolytic capacitor through hole lead spacing

2.5 mm through hole

Lead spacing

10 mm through hole lead spacing

2 mm

X7R ceramic capacitor

SMD 1206

SMD 0603

SMD 0603 not mounted

DocID025509 Rev 1 23/30

Bill of material UM1694

Item Quantity

Reference

C26

C30

Table 7. Bill of material (BOM) (continued)

Value

4,7 nF,5%

2.2 nF,10%

Rated

50V

630 Vdc

Type Package Manufacturer

COG ceramic capacitor

SMD 0603 polypropylene film capacitor through hole lead spacing

5 mm

C32

C37

C43,C44

C50,C54

C53

C57

D1,D3,D4,D5,

DN1,DN2

220 pF,10%

680 nF,10%

10 nF,10%

22 pF,10%

1 nF,20%

220 nF,10%

100 0V 3 A

70 V, 70 mA

STTH2L06

630 Vdc

305 Vac

50 Vdc

50 V

250 Vac

520 V

1000 V/ 3 A

70 V,70 mA

2 A/600 V polypropylene film capacitor through hole lead spacing

5 mm polypropylene film capacitor through hole lead spacing

15 mm

X7R ceramic capacitor

C0G ceramic capacitor

SMD 0603

Y1 capacitor through hole lead spacing

9.5 mm polypropylene film capacitor through hole lead spacing

15 mm standard rectifier diode

1000 V 3 A small signal

Schottky diode ultrafast high voltage rectifier

SMD SMB

SOT23 through hole

DO41

D7,D10,

D12,D14,D15,

D18,D24,D25

TMMBAT46 100 V/150 mA

Small signal

Schottky diode

SM6T220A

SMD minimelf

D11,D19,D23,

D28

D13,D17,D20,

D21,D22

D16

STPS2150

STTH1L06A

STPS1L30A

LIC01

220 V/600 W

150 V/2 A

1 A/600 V

30 V/1 A

255 V

TRANSIL

power

Schottky diode ultrafast high voltage rectifier

power

Schottky diode light ignition circuit

SMD SMB

SMD SMA

SMD Dpak

24/30 DocID025509 Rev 1

UM1694 Bill of material

Item Quantity

Reference

D26

D27

L2,L7

Table 7. Bill of material (BOM) (continued)

Value

red LED green LED

3.15 A T

VIN

VIN PLM

VOUT

PLM

CON4

DALI

USB TO

UART

600 µH

2x39 mH

Rated Type Package Manufacturer

2 mA

250Vac/3.15A

high efficiency

Red diffused

LED 2 mA

3 mm high efficiency green diffused

LED 2 mA

3 mm through hole

3 mm fuse through hole

5 mm not mounted through hole low profile female strip line connector through hole not mounted through hole low profile 24 way (2 x 12) female stripline connector low profile female strip line connector through hole through hole

12 pin male double strip line connector jack stereo connector

SMD

2.8A

1.2 A

PFC Inductor through hole

MAGNETICA

1913.0004

power line choke through hole

DocID025509 Rev 1 25/30

Bill of material UM1694

Item Quantity

Reference

Q3,Q4

Q2,Q5

RV1

R1,R2,R5

Table 7. Bill of material (BOM) (continued)

Value

4.7 µH,20%

2.2 mH,10%

520 µH

4.7 µH,30%

STF13NM60N

STF26NM60N

S14K275

1 M,1%

Rated

1,9A

1.8A

740 mA

600V

600V/10A

275 Vac

1/4W

Type Package Manufacturer

power inductor

SMD

4X4.5X3.2

through hole bridge

Inductor through hole ferrite filter SMD 3x3x1,2

MAGNETICA

2198.0008

MAGNETICA

1975.0001

Power

MOSFET

Power

MOSFET

TO220FP

ST power

MOSFET

Varistor metal film resistor

TO220FP through hole

SMD 1206

R3,R9,R16,R17,

R19,R26,R33,

R36,R37,R40,

R56,R62,R63,

R64,R68,R74

R4,R8,R10,R14,

R18,R20,R24,

R25,R32,R55,

R61,R65,R66,

R67,R73,R75,

R92,R93, R99

R6,R7,R12,R13,

R53,R54,R59,

R60

47 k,1%

10 k,1%

510 k,1%

1/10W

1/4W metal film resistor metal film resistor metal film resistor

SMD 0603

SMD 1206

R11,R15,R98

R21,R39,R43,

R57,R58

R22,R45

R27,R71

R28,R29,R30

R34

22,1%

220,1%

8.2 k,1%

5.6 k,1%

1,1%

33 k,1%

1/4W

1/10W

1/4W

1/4W metal film resistor metal film resistor metal film resistor metal film resistor metal film resistor metal film resistor

SMD 1206

SMD 0603

SMD MELF

0204

SMD 1206

26/30 DocID025509 Rev 1

UM1694 Bill of material

Item Quantity

Reference

Table 7. Bill of material (BOM) (continued)

Value Rated Type

R38,R52

R41

R42,R44

R46,R47

100,1%

33k,1%

2.7,1%

24 k,1%

1/4W

1/10W

1/4W

1/10W metal film resistor metal film resistor metal film resistor metal film resistor

R48,R83,R84,

R85,R90,R95,

R96

0 1/4W metal film resistor

R49

R51

R69,R70,R72

R89,R94

R91,R102

R97

R100,R101

R103,R104

R105,R106

SW1

15 k ,5%

240 k,1%

1,1%

1 k,1%

100 k,1%

470,1%

RESET

1/10W

1/10W ceramic resistor metal film resistor metal film resistor metal film resistor metal film resistor metal film resistor metal film resistor metal film resistor metal film resistor

Tactile

Switches

Package Manufacturer

SMD 1206

SMD 0603

SMD 1206

SMD 0603

SMD 1206 through hole

SMD 0603 through hole

SMD 0603

SMD 0604 through hole not mounted not mounted

UMICRO1

Magnetica

STLUX385A

Igniter through hole

MAGNETICA

1907.0010

SMD

TSSOP38

79 1 U1 TD220 gate driver with VREG and two-point regulator

SMD SO8 ST

80 1 U2,U3 TS272 dual operation amplifiers

SMD

TSSOP8

DocID025509 Rev 1 27/30

Bill of material UM1694

Item Quantity

Reference

U6,U7

Table 7. Bill of material (BOM) (continued)

Value

ALTAIR04-900

LD29080S33

L6390

STLM20

20°K/W

3.32 °K/W

Rated Type Package Manufacturer

off-line allprimarysensing switching regulator low drop voltage regulators high-voltage high/low-side driver analog temperature sensor

SMD SO16N

SMD

SOT223

SO16

SOT323-5L heat sink heat sink through hole

13 x 12.7 x

19.5mm

100 x 27 x 50 mm

28/30 DocID025509 Rev 1

UM1694

Date

12-Jun-2015

Table 8. Document revision history

Revision Changes

1 Initial release.

Revision history

DocID025509 Rev 1 29/30

UM1694

IMPORTANT NOTICE – PLEASE READ CAREFULLY

STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on

ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement.

Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products.

No license, express or implied, to any intellectual property right is granted by ST herein.

Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product.

ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners.

Information in this document supersedes and replaces information previously supplied in any prior versions of this document.

30/30 DocID025509 Rev 1

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