Diodes AUR9801C - Manual (Page 2)

Data Sheet
Li-ion/Li Polymer Battery Charger AUR9801C
Aug. 2012 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
2
Pin Configuration
D Package
（ WDFN-3×3-10）
Figure 2. Pin Configuration of AUR9801C (Top View)
Pin Functions
Pin Number Pin Name Pin Type Function
1
VIN POWER Charger input supply voltage
2
O
Active-low, open-drain output, capable of sinking 5mA
current
3
O
Open-drain pin to show charging and inhibit states,
capable of sinking 5mA current
4
TIME I
Timing capacitor pin for connecting a capacitor to set
internal clocking and charger time reference
5
GND GROUND Ground pin
6
EN I
Chip enable control, high to activate the chip with internal
880K
Ω pull-up resistor
7
V2P8 O
2.8V reference voltage output, capable of driving up to
2mA
8
IREF I
A resistor can be connected at the pin to set the charge
current
9
VSEN I
VSEN is the remote voltage sense pin. Connect to battery
positive node
10
VBAT O Connection to the battery positive node