TAS5622DDV/TAS5624DDV EVALUATION BOARD
5V TO 3.3V DC-DC CONVERTER
HARDWARE
MAIN POWER IN
STAND
OFFS
PVDD
M3
M3
M3
M3
M3
M3
VR1
+3.3V
M3x8
M3x8
M3x8
M3x8
M3x8
M3x8
TLV1117-33
VIN VOUT
PVDD
3
2
+5V
+
Red
C70
C71
C72
+
GND
+
HEAT
SINK
C74
C76
C73
C75
GND
GND
GND
GND
3.3V 800mA
0.01ufd/100V
0805
1.0ufd/50V
0805
1
GND
47ufd/50V
KZ
SOT223-DCY
0.1ufd/16V
0603
0.1ufd/16V
0603
47ufd/16V
FC
47ufd/16V
M
Black
M3x25 M3x25 M3x25 M3x25
GND
R60
3.3
0603
GND
GND
STANDOFFS
WASHERS
SCREWS
GND
GND
GND
GND
GND
PVDD RANGE= xxV-38V
GND
+12V
+12V
+12V
+12V
AMP
RESET
R61
4.7K
0603
R62
4.7K
0603
R63
R65
4.7K
0603
OTW
CLIP
FAULT
4.7K
0603
STATUS
MONITORS
D
S
D
D
D
125C
CLIP
FAULT
AMP_RESET
2N7002
2N7002
2N7002
2N7002
Q1
Q2
Q3
Q4
Red
0805
Yellow
0805
Red
0805
Red
0805
FROM U1
G
G
G
G
60V/115mA
SOT23-DBV3
60V/115mA
SOT23-DBV3
60V/115mA
SOT23-DBV3
60V/115mA
SOT23-DBV3
S
S
S
GND
GND
GND
GND
GND
GND
GND
GND
ON/RESET CONTROL
FROM
MODULATOR
TO U1
1
S1
VALID
2
3
G12AP
C77
0.1ufd/16V
0603
GND
S3 SETTINGS
1-2/6-5 ON
3-2/4-5 RESET
GND
SCH REV
PCB REV
A
A
PAGE INFO:
DESIGN LEAD STEPHEN CRUMP
POWER SUPPLY, STATUS MONITORS, ON/OFF CONTROL
DATE
MARCH 7, 2012
SHEET
DRAWN BY LDN
3
OF
5
TI
EDGE # TAS5622-6524656 / TAS5624-6524657
FILENAME TAS5622-TAS5624DDVEVM_RevA.sbk
TI [ TEXAS INSTRUMENTS ]
