CDX-GT420U/GT424U/GT427UE/GT470U/GT470US
33
IC803 TPS40200DRG4 (MAIN Board (3/3))
IC804 TPS2051BDRG4 (MAIN Board (3/3))
IC805 TC7WH123FU(TE12R) (MAIN Board (3/3))
1
2
RC
GND
DRV
ISNS
VDD
SS
3
COMP
4
FB
SOFT-START
AND
OVERCURRENT
700mV
ENABLE E/A
E/A AND SS
REFFERENCE
7
8
6
5
UVLO
OSC
PWM
LOGIC
DRIVER
1
2
GND
OC
IN
CHARGE
PUMP
3
IN
4
EN
DRIVER
CURRENT
LIMIT
THERMAL
SENCE
UVLO
CS
8
7
5
6
OUT
OUT
OUT
8
VCC
7
RX/CX
6
CX
5
Q
1
A
2
B
3
CLR
4
GND
