![](/html/Renesas/756779/page7.png)
M62258FP
Application Example
Trickle charge
current
setting resistor
+
Photo
coupler
Voltage
control
OP-amp.
Current
control
OP-amp.
To VDD
Main SW
transistor
Voltage
control
circuit
Current
control
circuit
Voltage reg.
reference
voltage
Main SW
driver
Current
detection
resistor
Serial→Parallel
conversion circuit
CS DI
CK
Multiplexer
level
magnification
circuit
VDD
Max 30 mA
VDD
RESET
XIN
F0 F3 F2 F1 K0
K1 VREF AVDD
4-bit microcomputer
S0
(built-in A/D converter)
M34XXX series
AVSS
INT S1 S2 S3 D0 D1 D2 D3 D4 D5 D6 D7 D8 CNTR VSS
To battery
Battery
temperature
detect
Battery mount
detection switch
REJ03F0247-0200 Rev.2.00 Jun 16, 2008
Page 7 of 8