CMOS IC Application Note
S-19190 Series Usage Guidelines
Rev.1.0_01
© ABLIC Inc., 2017
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The S-19190 Series is a voltage monitoring IC with a cell balancing function and includes a high-accuracy voltage
detection circuit and a delay circuit.
This application note is a guideline on the typical connection examples when using the S-19190 Series for applications.
Refer to the datasheet for details and spec of this IC.
It is possible to configure the following applications with the S-19190 Series.
Multi-serial-cell voltage monitoring circuit with cell balancing function
Multi-serial-cell voltage monitoring circuit using the S-19190 Series
CMOS IC Application Note
S-19190 Series Usage Guidelines
Rev.1.0_01
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Contents
1. Voltage monitoring circuit using the S-19190 Series ......................................................................... 3
1. 1 Connection example of voltage monitoring circuit with cell balancing function .................................................. 3
2. Example of application circuit ................................................................................................................ 4
2. 1 Voltage monitoring circuit connection example with an external MOS FET added to increase cell balancing current
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2. 2 Connection example of 3-serial cell voltage monitoring circuit with cell balancing function
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2. 3 Connection example of 3-serial cell voltage monitoring circuit with power saving mode control function and cell balancing function
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2. 4 Connection example of 3-serial cell voltage monitoring circuit with cell balancing function when using a photocoupler
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3. External components list ........................................................................................................................ 8
4. Precaution ................................................................................................................................................ 9
5. Related source ....................................................................................................................................... 10