PS200
Pinout Description
Pin Pin Name Pin Type Input Type Output Type
Description
1
VDD
Supply Power
—
Supply voltage
2
LED2
O
—
CMOS Status indicator
3
VIN
I
Analog
—
Battery voltage input
4
RESET
I
ST
—
Reset
5
CTRLOUT
O
—
CMOS PWM output for setting current level
6
CHGOUT
O
—
CMOS PWM output to a buck converter for charge control
7
LOOPFBK
I
Analog
—
Current feedback loop
8
LOOPIN
I
Analog
—
Current feedback loop input
9
CTRLIN
I
Analog
—
Current level control
10
LED1
O
—
CMOS Status indicator
11
HVOUT
O
—
HVOD High-voltage, open-drain output pin (optional)
12
IFBINB
I
Analog
—
Current feedback input pin B used for current scaling
13
IFBINA
I
Analog
—
Current feedback input pin A used for current scaling
14
IFBOUT
O
—
Analog Current feedback output
15
BATID
I
Analog
—
Battery ID select
16
CHGFBK
I
Analog
—
Charge control feedback
17
SHDN
O
—
Analog Shutdown signal, active-low
18
VOVP
I
Analog
—
Overvoltage protection
19
TEMP
I
Analog
—
Battery temperature input
20
VSS
Supply Power
—
Supply ground
Legend: I = Input, O = Output, ST = Schmitt Trigger Input Buffer, HVOD = High-Voltage Open-Drain
DS21891B-page 2
© 2005 Microchip Technology Inc.