电池保护
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电池保护
JW3317-XXX
JW3317 is a multi-cell battery protection IC that includes high-accuracy voltage detection circuits and delay circuits. It is possible for users to monitor the status of 5~7 series cell lithium-ion rechargeable battery pack.
JW3317 provides multiple protect functions including over-charge, over-discharge, over-current, over-temperature and open wire detection. More JW3317s can operate in cascade to protect long string battery.
FEATURES
Wide range of operation voltage 6V to 60V
Monitor 5~7 series cell battery and support cascaded operation
High-accuracy voltage detection for each cell
- Over-charge detection voltage VOC:
3.6~4.4V (50mV step) ±20mV
- Over-charge release hysteresis VOCRH:
0.1~0.4V (100mV step)
- Over-discharge detection voltage VOD:
2.3~3.0V (100mV step) ±80mV
- Over-discharge release hysteresis VODRH:
0.2~0.5V (100mV step)
Charge over-current detection four options 10mV, 20mV, 50mV, Disable
Discharge over-current detection in 3-step
- 1st detection voltage VDOI1:
0.05~0.2V (50mV step) ±10mV
- 2nd detection voltage VDOI2:
2VDOI1 (100mV step) ±20mV
- Short circuit detection voltage VSHT:
0.4~0.7V (100mV step) ±80mV
High-accuracy battery temperature detection
- Charging over-temperature protection threshold VCOT:
0.85V (50°C) ±30mV (±4°C)
- Charging under-temperature protection threshold VCUT:
0.23V (-10°C) ±30mV (±4°C)
- Discharging over-temperature protection threshold VDOT:
0.98V (70°C) ±25mV (±4°C)
Three-step discharge over-current protection
- For 1st, programmable from 0.1~10s
- For 2nd, two options available (by part number)
(0.1~10s)×1%,
(0.1~10s)×10%
- For 3rd, short circuit 300µs.
Discharge disable mode selectable
Open wire detection
Charging Permission (CP) condition check
Wide range of operation temperature -40°C to +85°C
Low current consumption
Full power mode 20µA Max. (T=25°C)
Sleep mode 13µA Max. (T=25°C)
Shutdown mode 350nA Max. (T=25°C)
Package: 24-Pin TSSOP
APPLICATIONS
Rechargeable lithium-ion battery pack
Electric bicycles
Motorcycles
Backup battery systems
Hybrid electric vehicles
需要样品测试或详细资料请联系：18126521362（点击复制微信号）
