High Accuracy Single Chip solution for 1-cell Battery Pack
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The AP9221 is a single chip protection solution specially designed for 1-cell Li+ rechargeable battery pack application. The AP9221 includes a 1-cell Lithium ion battery protection chip and dual N-CH MOSFET with common drain. The AP9221 provides rich battery protection features and can turn-off the N-CH MOSFET by detecting overcharge voltage/current, over discharge voltage/current, or load short circuit. The AP9221 has builtin fixed delay time to save external components. The AP9221 is available in the U-DFN2030-6 (Type C) package.
Qualified to AECQ10x | No |
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Automotive Compliant PPAP | No |
Function | Battery Protection |
Application | 1-Cell |
Built-In Dual NMOS | Yes Y/N |
RSS(ON) @VGS=3.9V | 120 mΩ |
Overcharge Detection Voltage VCU | N/A V |
Overdischarge Detection Voltage VDL | 2 to 3.4 V |
Discharge Overcurrent Detection Voltage VDOC | 0.03 to 0.19 V |
Charge Overcurrent Detection Voltage VCOC | 0.019 to 0.03 V |
Load Short Detection Voltage VSHORT | 0.16 to 0.32 V |
Power-Down Function | Selectable |
Detection Delay | Built-In Delay Timer |
0V Battery Charge Function | Permission |
Orderable Part Number | Buy from Distributor / Contact Sales | Request Samples |
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AP9221SA-CC-HAC-7 | Request Sample |