STEVAL-ISB032V1 Datasheet, PDF (1/4 Pages) STMicroelectronics – Li-Ion battery charger evaluation board based on STNS01

STEVAL-ISB032V1
Li-Ion battery charger evaluation board based on STNS01
Data brief
Features
 Charges single-cell Li-Ion batteries with CC-
CV algorithm and charge termination
 Charge current programmable up to 400 mA
 1% accuracy on floating voltage (4.2 V)
 Integrated 3.1 V LDO regulator
 Automatic power path management
 Battery over-charge protection
 Battery over-discharge protection
 Battery overcurrent protection
 Charging timeout
 Very low battery leakage in over-
discharge/shutdown mode
 Low quiescent current
 Charge/fault status output
 Charger enable input
 RoHS compliant
Description
The STEVAL-ISB032V1 is a product evaluation
board based on the STNS01, which is a linear
charger for single-cell Li-Ion batteries integrating
an LDO regulator and several battery protection
functions. The device uses a CC/CV algorithm to
charge the battery. The fast-charge current can
be programmed using an external resistor. Pre-
charge current and termination current are scaled
accordingly. The floating voltage value is 4.2 V.
The input supply voltage is normally used to
charge the battery and provide power to the LDO
regulator. When a valid input voltage is not
present and the battery is not empty, the device
automatically switches to battery power.
The STNS01 integrates over-charge, over-
discharge and overcurrent protection circuitry to
prevent the battery from being damaged under
fault conditions. It also features a charger enable
input to stop the charging process when battery
overtemperature is detected by external circuitry.
When shutdown mode is activated, the battery
power consumption is reduced to less than 500
nA to maximize battery life during shelf time.
January 2016
DocID027068 Rev 3
For further information contact your local STMicroelectronics sales
office
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