AOZ9004B
Pin Configuration
1
2
3
4
8
7
6
5
VSS
IC
IC
VCC
VM
IC
IC
OUTM
TSSOP-8
(Top View)
Pin Description
Pin
Number
Pin Name
Pin Function
1
VSS
Ground. VSS is the source of the internal Discharge MOSFET N2 (Figure 1). Connect VSS directly
to the cathode of lithium-ion/lithium polymer battery cell.
2
3
4
IC
IC
Internally Connected Pin. This pin is for test purposes only. Always leave this pin unconnected.
Internally Connected Pin. This pin is for test purposes only. Always leave this pin unconnected.
OUTM
Output Pin. OUTM is the source of the internal Charge MOSFET N1 (Figure 1). Connect OUTM
directly to the negative terminal of the battery pack.
5
6
IC
Internally Connected Pin. This pin is for test purposes only. Always leave this pin unconnected.
VM
Over-current / Charger Detection Pin. Connect a 2kΩ resistor between VM and the negative
terminal of the battery pack.
7
8
VDD
IC
Input Supply Pin. Connect a 0.1µF capacitor between VDD and VSS.
Internally Connected Pin. This pin is for test purposes only. Always leave this pin unconnected.
Rev. 1.2 August 2008
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AOS [ ALPHA & OMEGA SEMICONDUCTORS ]
