电池保护
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电池保护
JW3313-XXX
JW3313 is a low-power battery protection IC for the 3 series rechargeable lithium-ion battery pack.
JW3313 integrates high-accuracy voltage detection and temperature detection circuits, which realizes multiple protect functions including over-charge, over-discharge, over-current, over-temperature, under-temperature 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
High-accuracy battery temperature detection
- Charging over-temperature protection threshold VCOT:
- 0.206V (50 ±5°C) or 0.18V (55 ±5°C)
- Charging under-temperature protection threshold VCUT:
- 0.815V (-10 ±5°C) or 0.692V (0 ±5°C)
- Discharging over-temperature protection threshold VDOT:
- 0.12V (70 ±5°C)
- Discharging under-temperature protection threshold VDUT:
0.926V (-20 ±5°C)
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: MSOP10
APPLICATIONS
Rechargeable Lithium-ion Battery Pack
Power Tools, Garden Tools
需要样品测试或详细资料请联系：18126521362（点击复制微信号）
