SIT8252 Overview:
SIT8252 has a built-in high-precision voltage detection circuit and delay circuit, which is a protective IC for lithium-ion rechargeable batteries/lithium polymer rechargeable batteries.
SIT8252 is suitable for the protection of overcharging, over discharging, charging over current, and discharging over current of two series connected lithium-ion/lithium polymer battery packs.
SIT8252 Product features:
* High voltage resistance: Absolute maximum rated value 32V
* Built in high-precision voltage detection circuit:
SIT8252A：
Overcharge detection voltage：4.30±0.025V
Overdischarge detection voltage：2.90±0.100V
SIT8252B：
Overcharge detection voltage：4.28±0.025V
Overdischarge detection voltage：2.90±0.100V
SIT8252C：
Overcharge detection voltage：4.25±0.025V
Overdischarge detection voltage：2.50±0.100V
SIT8252D：
Overcharge detection voltage：4.28±0.025V
Overdischarge detection voltage：2.80±0.100V
* Discharge overcurrent 1 detection voltage：0.20±0.020V：
* 3-stage discharge overcurrent detection (discharge overcurrent 1, discharge overcurrent 2, and load short circuit detection)
* Charging overcurrent detection function
* Built in delay time capacitor, no need for external capacitor
* Capable of charging 0V batteries
* Low consumption current：
-Typical values during operation：7μA
-During hibernation
Only SIT8252A/B/C (without self recovery function) maximum value：0.1μA
* Packaging form：SOT23-6
SIT8252 Application:
Walkie talkie
Bluetooth Speaker
Mobile power supply
Lithium ion rechargeable battery pack
Lithium polymer rechargeable battery pack
SIT8252 Typical applications:
SIT8252 Package pins:
SIT8252 Functional Block Diagram:
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