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LTC3337 - Primary Battery SOH Monitor

Description

The LTC®3337 is a primary battery state of health (SOH) monitor with a built-in precision coulomb counter.

It is designed to be placed in series with a primary battery with minimal associated series voltage drop.

Features

  • n Battery Input Voltage Range: 1.8V to 5.5V n 100nA Quiescent Current n 8 Primary Battery Peak Input Current Limits: 5mA/10mA/15mA/20mA/25mA/50mA/75mA/100mA n SOH Monitor for Primary Battery n Integrated Coulomb Counter (Q) n Additional Monitors for Battery Voltage (V), Battery Impedance (Z), and Temperature (T) n Primary Battery Current (BAT_IN) or Load Current (BAT_OUT) is Counted n Integrated ±10mA Supercapacitor Balancer n Programmable Coulomb Counter Prescaler for Wide Range of Battery Size.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC3337 Primary Battery SOH Monitor with Precision Coulomb Counter FEATURES n Battery Input Voltage Range: 1.8V to 5.5V n 100nA Quiescent Current n 8 Primary Battery Peak Input Current Limits: 5mA/10mA/15mA/20mA/25mA/50mA/75mA/100mA n SOH Monitor for Primary Battery n Integrated Coulomb Counter (Q) n Additional Monitors for Battery Voltage (V), Battery Impedance (Z), and Temperature (T) n Primary Battery Current (BAT_IN) or Load Current (BAT_OUT) is Counted n Integrated ±10mA Supercapacitor Balancer n Programmable Coulomb Counter Prescaler for Wide Range of Battery Sizes n Programmable Discharge Alarm Threshold with Interrupt Output n I2C Interface n Tiny 12-Lead 2mm × 2mm LFCSP and 16-Ball 1.64mm × 1.64mm WLCSP Packages APPLICATIONS n Low Power Primary Battery Powered Systems (e.g.
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