Sony PHA-1A - Page 17

PHA-1A/1AEU
17
IC509 TPS2553DBVR IC511 74LVC1G175GW-125
IC704 BD6047AGUL-E2
GND
2
EN
3
IN
1
4FAULT
5 ILLM
6OUT
CHARGE
PUMP
UNDERVOLTAGE
LOCKOUT
THERMAL
SENSE
CURRENT
LIMIT
4-ms
DEGLITCH
8-ms
DEGLITCH
CURRENT
SENSE
DRIVER
+
–
RREVERSE VOLTAGE
COMPARATOR
D
CP
MR
D 3
GND
CP
2
1
6
VCC
5
MR
4
Q Q6
A1IN
IN
IN
A2
A3
B1
IN IN
GND
B2
B3
OUT
OUT
C1
FLGBC3
TIMING
GENERATOR
UVLO
VREF
OVLO
OCP
TSD
OSC
INITIAL
DELAY
NVP
GATE
DRIVER
INITIAL
DELAY
C2