Sony NW-HD3 Service Manual page 35

IC9003 TPS62200DBVR
VI 1
UNDERVOLTAGE
LOCKOUT
BIAS SUPPLY
V
I
SOFT START
1 MHz
OSCILLATOR
V (COMP)
COMPARATOR
SAWTOOTH
GENERATOR
GND 2
GM
EN 3
IC9501 BQ24010ADRCR
IN 1
VI (BAT)
VO (REG)
V (ISET)
VCC 2 VCC
VSET
STAT1 3
STAT2 4
VO (REG)
VI (BAT)
VSS 5
VI (BAT)
VI (SET)
VI (SET)
CURRENT LIMIT
COMPARATOR
SKIP COMPARATOR
DRIVER
CONTROL
SHOOT-THROUGH
LIGIC
LOGIC
LOAD COMPARATOR
COMPENSATION
VREF=0.5V
DEGLITCH
CHARGE
CONTROL,
TIMER,
DEGLITCH
AND
DISPLY
LOGIC
DEGLITCH
DEGLITCH
REFERENCE
VO (REG)
REF
REF
5 SW
4 FB
10
VI (BAT) 9
VI (BAT)
V (SLP)
VCC
8
THERMAL
SHUTDOWN
7
VCC
6
AND BIAS
OUT
BAT
TS
PG
ISET
NW-HD3
35