Grove ‐ Coulomb Counter 3.3V to 5V (LTC2941)
SKU 101020593
The coulomb (symbol: C) is the International System of Units (SI) unit of electric charge.It is the
charge (symbol: Q or q) transported by a constant current of one ampere in one
second:1C=1A•1s. A Coulomb Counter is a device to measure the current that your devices or
sensors is using.
The Grove ‐ Coulomb Counter 3.3V to 5V (LTC2941) is based on LTC2941, its operating range is
perfectly suited for single‐cell Li‐Ion batteries. A precision coulomb counter integrates current
through a sense resistor between the battery’s positive terminal and the load or charger. This
module measures the amount of amp‐hours have been used, if you use a fully charged battery,
you can test the amount of battery you have used, the remaining percentage, just like the
remaining battery shown in your phone. Vice versa, if you are charging a battery, you can use
this module to monitor the charging process.
Features
Indicates Accumulated Battery Charge and Discharge
High Accuracy Analog Integration
1% Charge Accuracy
SMBus/I2C Interface
Typical Applications
Low Power Handheld Products
Cellular Phones
MP3 Player
Cameras
GPS
Pin Out
Technical Details
Dimensions
40mm x 20mm x 12mm
Weight
G.W 9.70g
Battery
Exclude
Part List
Grove ‐ Coulomb Counter 3.3V to 5V
(LTC2941)
1
Grove Cable
1
ECCN/HTS
ECCN
EAR99
HSCODE
9030339000
https://www.seeedstudio.com/Grove%20‐%20Coulomb%20Counter%203.3V%20to%205V%20(LTC2941)‐p‐3215.html/12‐4‐18
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