库仑计(电池电量计)

ADI公司的电池管理气表和库仑计可精确测量并报告单节或多单元手持式应用中的电池容量。它采用对用户无缝的独特检测技术,具有出色的充电精度。高端电流检测支持下游故障检测并避免接地干扰。模拟积分器对电荷直接进行数字化,从而消除放大器偏移,使增益误差最小,总电荷精度更高。一些型号还提供电池电压和温度,而另一些型号则集成检测电阻,使器件数量最少并进一步提高精度。所有器件具有小尺寸,并提供与主机处理器的简单数字接口。

库仑计(电池电量计)

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Sense ResistorADCCommentsPrice (1000+)
($ US)
1LTC2944 3.6 60 Rsense 14-Bit 60V Battery Gas Gauge with Temperature, Voltage and Current Measurement $2.85 (LTC2944CDD#PBF)
2LTC2943-1 3.6 20 Integrated 1A Rsense 14-Bit 1A Multicell Battery Gas Gauge with Temperature, Voltage and Current Measurement $2.70 (LTC2943CDD-1#PBF)
3LTC3335 1.8 5.5 Integrated 250mA Rsense- Nanopower Buck-Boost DC/DC with Integrated Coulomb Counter $3.35 (LTC3335EUDC#PBF)
4LTC4015 4.5 35 Rsense 14-Bit Multichemistry Buck Battery Charger Controller with Digital Telemetry System $5.95 (LTC4015EUHF#PBF)
5LTC2943 3.6 20 Rsense 14-Bit Multicell Battery Gas Gauge with Temperature, Voltage and Current Measurement $2.35 (LTC2943CDD#PBF)
6LTC2942-1 2.7 5.5 Integrated 1A Rsense 14-Bit 1A Battery Gas Gauge with Internal Rsense and Temp/Voltage Measurement $1.85 (LTC2942CDCB-1#TRPBF)
7LTC2941-1 2.7 5.5 Integrated 1A Rsense- 1A I2C Battery Gas Gauge with Internal Sense Resistor $1.65 (LTC2941CDCB-1#TRPBF)
8LTC2942 2.7 5.5 Rsense 14-Bit Battery Gas Gauge with Temperature, Voltage Measurement $1.50 (LTC2942CDCB#TRPBF)
9LTC2941 2.7 5.5 Rsense- Battery Gas Gauge with I2C Interface $1.30 (LTC2941CDCB#TRPBF)
10LTC4150 2.7 8.5 Rsense- Coulomb Counter/Battery Gas Gauge $1.50 (LTC4150CMS#PBF)