Details

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Parameter	Description	Value
Part Number	CW2015CSAC
Function	Single-cell Li-ion/Li-polymer Battery Gas Gauge IC with I2C Interface
Operating Voltage	Supply Voltage Range	2.5V to 5.5V
Quiescent Current	Active Mode Quiescent Current	3.5渭A (typ)
I2C Interface	Communication Protocol	I2C
Operating Temperature	Operating Temperature Range	-40掳C to 85掳C
Package	Package Type	TSSOP-16
Accuracy	State of Charge (SoC) Accuracy	卤2% (typ)
Battery Types	Supported Battery Types	Li-ion, Li-polymer
Protection Features	Overcharge, Overdischarge, Overcurrent Protection	Yes
Battery Capacity	Maximum Battery Capacity	5000mAh

Instructions for Use

1. Power Supply Connection:

   • Connect the VDD pin to the battery positive terminal.
   • Connect the GND pin to the battery negative terminal.

2. I2C Communication:

   • Connect the SDA (Data) and SCL (Clock) pins to the respective I2C lines of the microcontroller or host system.
   • Ensure pull-up resistors are used on both SDA and SCL lines.

3. Initialization:

   • Power up the CW2015CSAC.
   • Send the initialization command to the device via the I2C interface to configure the gas gauge settings.

4. Configuration:

   • Use the I2C interface to set the battery parameters such as capacity, nominal voltage, and other relevant settings.
   • Configure the alert thresholds for low battery, overcharge, and overdischarge conditions.

5. Data Reading:

   • Read the state of charge (SoC), remaining capacity, and other battery parameters periodically via the I2C interface.
   • Monitor the battery status and take appropriate actions based on the readings.

6. Protection:

   • The CW2015CSAC provides built-in protection features. Ensure that the battery is within safe operating limits by monitoring the status registers.

7. Shutdown:

   • To put the device into a low-power mode, send the shutdown command via the I2C interface.
   • To wake up the device, apply a high signal to the WAKE pin or send a read/write command via I2C.

8. Storage:

   • Store the device in a dry, cool place away from direct sunlight and high humidity.
   • Avoid exposing the device to extreme temperatures and physical shocks.

For detailed register maps and specific commands, refer to the datasheet provided by the manufacturer.

(For reference only)