M62244FP
Sample application circuit
CTRL
19
0.01µF
Logic
power-supply
Reference
voltage
source
11
Vref
10
Reference voltage/logic
power-supply module
Cosc
8
Oscillator
Constant-voltage
control
GND2
C1 13
C2
14
Constant-current
control
1µF
0.01µF
Charge-control
module
Battery-connected
detection 3
Charging-current
detection
Idet1
20
Charging current
Vcc
Rs
Charging-completed
current detection
18
Idet2
1
Vcvref
Open
or GND
Excessive current
detection
Ifull
Vadp1
7
Adapter
detection 1
3
Vadp2
Adapter
detection 2
4
Charging-current
detection module
Vcvref
Vsense
2
Adapter
detection 3
Battery-voltage
buffer
Excessive discharge
detection
Reset
detection
Start-fast-charging
voltage detection
Excessive voltage
detection
Adapter-voltage
detection module
Battery-connected
detection 1
STP
Control-logic
block
Open or GND
9
Reset circuit
Battery-connected
detection 2
Vcvref
Vrchg
Charging-completed/
recharge detection
6
Battery-voltage
detection module
Vcvref
LED1
Vcvref
16
Tdet
LED2
17
15
–3°C
5
GND2
43°C/
55°C
GND1
12
LED control module
Temperature
detection module
M62244FP
Rev.1.0, Sep.19.2003, page 16 of 17
RENESAS [ RENESAS TECHNOLOGY CORP ]
