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Battery Monitoring IC

Product Overview

Lithium-ion batteries has high energy density and low memory effect and will be used in storage likes battery-powered equipment and solar power as well as automotive .
To safely and efficiently use a battery , the management of the series connected cells is important. This IC(*) has high precision AD converter for 16-series cells to measure battery voltage and charge/discharge current and equalizes the cell voltage. It has the protection function for battery voltage and over- current detection for safety.
The micro computer with communication function for battery management , analog IC and power devices are prepared.
* Under development.

lithium battery

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Features

Monitoring up to 16-series lithium -ion cells

High performance by SOI (Silicon on Insulator) process

  1. High accuracy from low to high temperatures
  2. Stabilize a circuit by reducing noise
  3. Latch-up free

Controlling cell by integrated circuit reduces the number of parts, circuit board area and costs

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Circuit example

BM IC Circuit



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*1 When all of the six substances prohibited in the EU's RoHS directive(2011/65/EU) are present below a concentration of the specified limit, we describe the applicable products as "RoHS compliant", and when any one of the substances is present above or equal to the limit (for all applications except for the exempted ones), we describe them as "RoHS not compliant".For more information, see the "Letter for the Certificate of Compliance to EU RoHS Directive". For the products with "-" mark, please contact us.
*2 With regard to the 169 substances listed on the ECHA candidate list updated on June 20th, 2016, when any one of the SVHCs is present in applicable products above a concentration of 0.1wt%, we describe them as "SVHC included", and when all SVHCs are present below or equal to 0.1wt%, we describe them as "SVHC not included", based on the information of SVHC provided by our supplier and the information of parts/materials used in applicable products.

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Panasonic Semiconductor HomeSemiconductor > Products > Analog & ICs > Battery Monitoring IC