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Texas Instruments TAS5514B-Q1 Evalutation Module User guides
TAS5514B Evaluation Module (EVM)
User's Guide
Literature Number: SLOU345
June 2012
Contents
3
4
5
6
................................................................................................................ 4
.................................................................................................................. 4
1.2
Connections .............................................................................................................. 4
1.3
Initial Power Up .......................................................................................................... 5
EVM Description ................................................................................................................. 5
2.1
Description of Inputs .................................................................................................... 5
2.2
Description of Outputs .................................................................................................. 5
2.3
Controls ................................................................................................................... 6
2.4
Indicator Description .................................................................................................... 7
TAS5514B EVM Schematic ................................................................................................... 7
Board Layouts .................................................................................................................... 8
Bill of Materials ................................................................................................................. 11
Related Documentation from Texas Instruments ................................................................... 12
2
Table of Contents
1
Quick-Start Guide
1.1
2
Overview
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List of Figures
....................................................................
1
Connections for Input, Speaker Loads, and Power
2
Front Panel Labels .......................................................................................................... 5
3
Wiring Harness for Power and Speaker Connections.................................................................. 6
4
Power and Speaker Connections to the EVM........................................................................... 6
5
TAS5514BDKD Top Layer ................................................................................................. 8
6
TAS5514BDKD Mid Layer Level 1
9
7
TAS5514BDKD Mid Layer Level 2
9
8
9
10
.......................................................................................
.......................................................................................
TAS5514BDKD Bottom Layer ...........................................................................................
TAS5514BDKD Top Silkscreen Overlay ...............................................................................
TAS5514BDKD Bottom Silkscreen Overlay............................................................................
4
10
10
11
List of Tables
1
Bill of Materials for TAS5514BDKD ..................................................................................... 11
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List of Figures
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3
User's Guide
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TAS5514B Evaluation Module (EVM) User's Guide
The TAS5514B evaluation module (EVM) is intended to be used to demonstrate the capabilities of the
device. All the device features can be accessed through the hardware supplied. This user’s guide contains
a description of the EVM. Included are the EVM schematics, bill of materials, and the board layout.
1
Quick-Start Guide
This section provides a guide to set up and power up the EVM without the details of its operation. For a
more-detailed description, read the complete user's guide.
1.1
Overview
The EVM consists of a single printed circuit board (PCB) mounted inside a metal chassis for EMC testing
and a power/speaker cable connector assembly. The EVM is different than the TAS5414B EVM as it does
not need an I2C controller board to function.
1.2
Connections
The connections are for an analog signal for the input, speaker loads, and power. The audio inputs are
made through the four RCA connectors. The power connections and speaker connections are made using
the 10-pin connector.
The basic connections are: PVDD or power is connected to the EVM through the supplied 10-pin
connector with the twisted red and black wires. The speakers or loads are also connected through the
same 10-pin connector with the twisted red and white wires. See Figure 1for EVM input details.
Figure 1. Connections for Input, Speaker Loads, and Power
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EVM Description
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1.3
Initial Power Up
Before applying power, check to make sure the standby control switch is in the Standby OFF position, as
shown in Figure 2.
Figure 2. Front Panel Labels
Apply power: the Standby, Mute, and Power LEDs should be on. This indicates that the unit is powered,
and the TAS5514B is in Standby Mode. The TAS5514B is place into play mode by simply moving the
toggle switch to the Standby OFF position. The Fault LED may flash once and then go off. This is the
device automatically clearing the faults at startup.
2
EVM Description
2.1
Description of Inputs
2.1.1
Analog Inputs
The TAS5424B EVM provides balanced input and the TAS5514B EVM provides unbalanced (singleended) inputs. The four RCA jacks on either EVM are provided for the audio input. The unbalanced inputs
have the shield of the RCA connected to ground. The balanced inputs have the plus (+) input on the
center pin of the RCA and the minus (–) input on the shield. The balanced ground can be connected to
the chassis or Power– (GND).
2.1.2
Power
The EVM requires one dc power connection. The connection is made through a 10-pin supplied
connector. The black wire is ground and the red wire is connected to PVDD, which can range from 6 to 24
Vdc.
2.2
2.2.1
Description of Outputs
Speaker and Power Connections
The 10-pin connector on the EVM and the wiring harness provide the power connections and the speaker
connections. The power connection consists of a pair of red and black twisted wires, which correspond to
the plus (+) input and minus (–) input, respectively. This pair of wires must be attached to a power supply.
The speaker connections consist of the remaining four pairs of red and white twisted wire. Each pair of red
and white wires corresponds with a channel. The red wire corresponds to the plus (+) output, and the
white wire corresponds to the minus (–) output. These wires must be terminated to a speaker load or
resistive load.
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EVM Description
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See Figure 1for more details on the 10-pin connector on the EVM, Figure 3for more details about the
speaker cables, and Figure 4for the power and speaker-cables connections to the EVM.
Figure 3. Wiring Harness for Power and Speaker Connections
Ch. 4
Ch. 3
Ch. 2
Ch. 1
Power
Figure 4. Power and Speaker Connections to the EVM
NOTE: Do not connect any of the speaker outputs to ground. The TAS5514B has full bridged
outputs; connecting to ground triggers a fault.
The outputs can be paralleled by connecting the plus (+) of one channel to the plus (+) of the other
channel. The minus (–) connection of one channel and the minus (–) connection of the other channel must
be connected also. See the data sheet for more details on parallel outputs (PBTL).
2.3
2.3.1
Controls
Standby
The standby switch is located on the front panel. Having the toggle in the Standby ON position forces the
TAS5514B into the standby mode. This is the same as a power-on reset (POR). POR shuts down the
device.
Setting the switch to the Standby OFF position puts the device in the EVM into the power up mode. The
amplifier will perform load diagnostics and then will place the amplifier outputs into play mode. Please
note, that any channel that has a shorted load, short to ground, or a short to power will not be placed into
play mode.
6
TAS5514B Evaluation Module (EVM) User's Guide
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TAS5514B EVM Schematic
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2.4
Indicator Description
There are five LED indicators on the chassis next to the standby switch. The LED farthest away from the
standby switch is for the 3.3 Vdc supply. The 3.3 V supply is needed for the LEDs and the standby circuit.
The other four LEDs output pins: FAULT, CLIP_OTW, STANDBY, and MUTE. In normal play mode, these
four LEDs should not light.
3
TAS5514B EVM Schematic
The schematic for the TAS5514BDKD EVM is shown on the following pages.
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7
Board Layouts
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TAS5514BDKD EVM Schematic
4
Board Layouts
Figure 5. TAS5514BDKD Top Layer
8
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Board Layouts
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Figure 6. TAS5514BDKD Mid Layer Level 1
Figure 7. TAS5514BDKD Mid Layer Level 2
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9
Board Layouts
www.ti.com
Figure 8. TAS5514BDKD Bottom Layer
Figure 9. TAS5514BDKD Top Silkscreen Overlay
10
TAS5514B Evaluation Module (EVM) User's Guide
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Bill of Materials
www.ti.com
Figure 10. TAS5514BDKD Bottom Silkscreen Overlay
5
Bill of Materials
Table 1. Bill of Materials for TAS5514BDKD
VALUE
DESCRIPTION
DESIGNATOR
P/N
P/N (DIGIKEY)
QUANTITY
4.7 µF
Capacitor, ceramic
C1, C2
C2012X5R1E475K
445-4116-1-ND
2
0.082 µF
Capacitor, ceramic
C3
ECJ-2YB1H823K
PCC1839CT
1
2200 pF
Capacitor, ceramic
C4
ECJ-2VB1H222K
PCC222BNCT-ND
1
330 µF/35 V
Capacitor, electrolytic
C5, C6, C7, C8
UVR1V331MPD
493-1083-ND
4
1 µF/50 V
Capacitor, ceramic
C9, C10, C27, C28,C50,
C51
C3216X7R1H105K
445-1423-1-ND
6
1 nF/50 V
Capacitor, ceramic
C11, C15, C20, C24, C29,
C34, C40, C45
ECJ-2VB1H102K
PCC102BNCT-ND
8
150 nF/25 V
Capacitor, ceramic
C12, C16, C21, C25, C30,
C35, C41, C46
C2012X7R1E474K
445-1353-1-ND
8
10 nF/25 V
Capacitor, ceramic
C13, C17, C22, C26,C31,
C36, C42, C47
ECJ-1VB1E103K
PCC1763CT-ND
8
470 nF/63 V
Capacitor, ceramic
C14, C23, C32, C43
B32529C474J
495-1110-ND
4
220 nF
Capacitor, ceramic
C18
C0603C334K4RACTU
399-4916-1-ND
1
0.1 µF
Capacitor, ceramic
C19, C33, C57
ECJ-1VB1C104K
PCC1762CT-ND
3
0.47 µF/16 V
Capacitor, film
C37, C39, C48, C52
ECP-U1C474MA5
PCF1130CT-ND
4
1200 pF/50 V
Capacitor, ceramic
C38, C44, C49, C54
ECJ-1VB1H122K
PCC1773CT-ND
4
1 µF/16 V
Capacitor, film
C53, C55
ECP-U1C105MA5
PCF1132CT-ND
2
GRN
Typical GREEN GaAs LED
D1
SML-LX0603GW-TR
67-1549-1-ND
1
RED
Typical RED GaAs LED
D2, D3, D4
SML-LX0603SRW-TR
67-1551-1-ND
3
YEL
Typical YELLOW GaAs LED
D5
SML-LX0603YW-TR
67-1550-1-ND
1
Channel 1, 2, 3, 4
input
RCA phono jack, right angle,
thru-hole, snap-in
J1
RCJ-011
CP-1400-ND
4
L1
Coilcraft SER1360H-103L
1
L2, L3, L4, L5
Toko HEAW
4
LP1
LPF-C051303S
10uH
Dual_inductor
10-µH Inductor, SMT
Dual inductor
LIGHTPIPE 5POS
1
Header 7
Header, 7-pin
P1
MD-60S
Output
Header, 10-pin, right
P2
Samtech IPBT-110-H1-T-S-RA
N MOS
FET - P W/DIODE
Q1
IRLMS5703TRPBF
IRLMS5703PBFCT-ND
1
20 kO
Resistor, SMT
R1, R16
ERJ-3EKF2002V
P20.0KHCT-ND
2
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CP-2460
1
1
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11
Related Documentation from Texas Instruments
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Table 1. Bill of Materials for TAS5514BDKD (continued)
VALUE
DESIGNATOR
P/N
P/N (DIGIKEY)
QUANTITY
Resistor, SMT
R2, R3
ERJ-3EKF4701V
P4.70KHCT-ND
2
47 O
Resistor, SMT
R4
ERJ-3EKF47R0V
P47.0HCT-ND
1
Resistor, SMT
R5, R6, R7, R23,R28, R33,
R36
ERJ-3EKF4992V
P49.9KHCT-ND
7
5.6 O
Resistor, SMT
R8, R10, R12, R14,R17,
R19, R26, R29
RL1220S-5R6-F
RL12S5.6FCT-ND
8
499 O
Resistor, SMT
R21, R22, R24, R25,R31,
R32, R34, R35
ERJ-3EKF4990V
P499HCT-ND
8
249 O
Resistor, SMT
R37
ERJ-3EKF2490V
P249HCT-ND
1
470 O
Resistor, SMT
R44, R45, R46, R47
ERJ-3GEYJ471V
P470GCT-ND
4
332 O
Resistor, SMT
R48
ERJ-3EKF3320V
P332HCT-ND
1
S1
E-switch, SPDT, right-angle
S1
100SP1T2B4M7RE
EG2364-ND
1
TAS5514BDKD
4-channel class-D amplifier
U1
TAS5514BTDKDRQ1
TAS5514BTDKDRQ1-ND
1
UA78M33CDCY
Positive-voltage regulator
U3
UA78M33CDCYR
296-13424-1-ND
1
49.9 kO
6
DESCRIPTION
4.7 kO
Related Documentation from Texas Instruments
The TAS5514B, TAS5424B, Four-Channel Automotive Digital Amplifiers data sheet can be found online at
www.ti.com.
12
TAS5514B Evaluation Module (EVM) User's Guide
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Evaluation Board/Kit Important Notice
Texas Instruments (TI) provides the enclosed product(s) under the following conditions:
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES
ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have
electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete
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FCC Warning
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES
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designed to provide reasonable protection against radio frequency interference. Operation of this equipment in other environments may
cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may
be required to correct this interference.
EVM Warnings and Restrictions
It is important to operate this EVM within the input voltage range of and the output voltage range of .
Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questions
concerning the input range, please contact a TI field representative prior to connecting the input power.
Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the EVM.
Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load specification,
please contact a TI field representative.
During normal operation, some circuit components may have case temperatures greater than . The EVM is designed to operate properly
with certain components above as long as the input and output ranges are maintained. These components include but are not limited to
linear regulators, switching transistors, pass transistors, and current sense resistors. These types of devices can be identified using the
EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during operation, please be
aware that these devices may be very warm to the touch.
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