电池保护

JW3313S-XXX

JW3313S is a low-power battery protection IC for the 3 series rechargeable lithium-ion battery pack.

JW3313S integrates high-accuracy voltage detection, which realizes multiple protect functions including over-charge, over-discharge, over-current, and open wire detection.

FEATURES
Input voltage up to 30V
High-accuracy voltage detection for each cell
- Over-charge detection voltage VOC:
3.65V, 3.85V, 4.2~4.375V (25mV step) ±25mV (25℃)
- Over-charge release hysteresis VOCRH:
- 0.1~0.4V (100mV step)
- Over-discharge detection voltage VOD:
2.0V, 2.3V, 2.5V, 2.7V ±80mV (25℃)
- Over-discharge release hysteresis VODRH:
0.3~0.7V (200mV step)
Discharge over-current detection in 3-step:
- 1st detection voltage VDOI1:
- 50~150mV (25mV step) ±10mV
- 2nd detection voltage VDOI2:
- 2VDOI1 ±20mV
- Short circuit detection voltage VSHT:
- 0.4V ±50mV
Charge over-current detection voltage VCOI:
-   -20mV ±5mV
-   -30mV ±10mV, -50mV ±10mV,
- Disable
3-step discharge over-current protection
- For 1st , tDOI1 : 0.2s, 0.5s, 1s, 2s
- For 2nd , tDOI2 : tDOI1 ×10%
- For 3rd , tSHT : 300µs
Open wire detection
Wide range of operation temperature -40°C to +85°C
Low current consumption (T=25°C)
Full power mode 10μA Typ.
Sleep mode 1.5μA Typ.
Shutdown mode 350nA Typ.
Package: SOP8

APPLICATIONS
Rechargeable Lithium-ion Battery Pack
Power Tools, Garden Tool

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