NWZ-S515/S516/S615F/S616F/S618F
31
IC803 BD6069GUT-E2
IC901 MAX8677AETG
CONTROL
ERROR AMP
OSCILLATOR
COMPARATOR
PWM
A3
TEST
B1
VIN
DRIVER
CURRENT
SENSE
+
THERMAL
SHUTDOWN
PROTECT
OVER VOLTAGE
PROTECT
SHORT
C3
GND
C2
SW
C1
VOUT
B3
VFB
A2
EN
A1
GNDA
VOLTAGE REGULATOR
CURRENT-LIMITED
SETTING
CURRENT
CHARGER THERMAL
INPUT LIMITER &
REGULATION
VOLTAGE
INPUT
MONITOR
LOAD SWITCH
SYSTEM
CHARGER
LITHIUM BATTERY
2
DC
1
/DONE
3
DC
4
/CEN
5
PEN1
6
PEN2
7
PSET
8
VL
9
GND
10
CT
11
ISET
12
THM
24
/FL
T
25
GND
23
/UOK
22
/DOK
21
SYS
20
SYS
19
/CHG
18
BAT
17
BAT
16
USB
15
USB
14
TSET
13
USUSS