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bq34110 CEDV电池电量监测计可为单节和多节电池提供CEDV电量监测和放电结束(EOS)确定功能。该器件配有增强型特性,从而为各类备用系统中常用的始终保持满电量且极少放电的电池提供支持.Bq34110电量监测计支持多种电池化学成分,包括锂离子,磷酸铁锂,铅酸(PbA),镍氢(NiMH)和镍铬(NiCd)。
该电量监测计使用补偿放电结束电压(CEDV)技术获取电压,电流和温度数据,并借此提供充电状态(SOC)和健康状况(SOH)数据。这款电量监测计还整合了放电结束(EOS)确定功能,可在电池电量不足和即将完全放电时发出警报。
监测计中的数据可由主机通过400kHz I 2 C总线读取。另外,还有两个ALERT输出可供使用,例如向主机发出中断或者实现其他功能,具体根据配置选项来决定。
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所有商标均为其各自所有者的财产。
Number of Series Cells |
Cell Chemistry |
Battery Capacity (Max) (mAh) |
Communication Interface |
Battery Capacity (Min) (mAh) |
External Capacity Indication |
Implementation |
Gas Gauge Algorithm |
Cell Balancing |
Features |
Operating Temperature Range (C) |
Pin/Package |
BQ34110 | BQ27510-G3 | BQ27542-G1 | BQ34210-Q1 | BQ34Z100-G1 | BQ78350-R1 |
---|---|---|---|---|---|
2-4 Cells >4 Cells Single Cell | Single Cell | Single Cell | Single Cell | 2-4 Cells >4 Cells Single Cell | >4 Cells |
Lead Acid Li-Ion/Li-Polymer LiFePO4 NiCd NiMH | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Lead Acid Li-Ion/Li-Polymer LiFePO4 NiCd NiMH | Li-Ion/Li-Polymer LiFePO4 |
29000 | 16000 | 32000 | 14000 | 29000 | 320000 |
I2C | I2C | HDQ I2C | I2C | HDQ I2C | I2C SMBus |
100 | 300 | 100 | 100 | 100 | 100 |
None | None | None | None | LED | LCD LED SOC |
Pack System | System | Pack | System | Pack System | Pack |
CEDV | Impedance Track | Impedance Track | CEDV | Impedance Track | CEDV |
N/A | N/A | N/A | N/A | N/A | External Internal |
Accumulated Coulomb Count End of Service SHA-1 Authentication | N/A | SHA-1 Authentication | End of Service | SHA-1 Authentication | Cell Balancing Integrated Protector SHA-1 Authentication |
-40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
14TSSOP | 12SON | 12SON | 14TSSOP | 14TSSOP | 30TSSOP |
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