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  3. Battery Management Systems (BMS)
  4. Battery Monitoring and Protection 7 Cell to 14 Cell High Accuracy Battery Monitor and Protector with Coulomb Counting MP2791 (Monolithic Power Systems, Inc.)
Battery Monitoring and Protection 7 Cell to 14 Cell High Accuracy Battery Monitor and Protector with Coulomb Counting MP2791-MP2791
Battery Monitoring and Protection 7 Cell to 14 Cell High Accuracy Battery Monitor and Protector with Coulomb Counting MP2791-Monolithic Power Systems, Inc.

Battery Monitoring and Protection 7 Cell to 14 Cell High Accuracy Battery Monitor and Protector with Coulomb Counting MP2791
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP2791 is a rugged battery management device that provides a complete analog front end (AFE) monitoring and protection solution. It is designed for multi-cell series battery management systems (BMS). The device supports I2C or SPI communication. The MP2797 supports series connection of 7-cell to 14-cell battery packs with absolute voltages greater than 75V on certain pins. The MP2791 integrates two independent analog-to-digital converters (ADCs). The first ADC measures the differential cell voltage of each channel (up to 14 channels), the die temperature, and the temperature of four channels through external negative temperature coefficient (NTC) thermistors. The second ADC measures the charging and discharging current through an external current sensing resistor. Dual ADC architecture enables synchronous rectified voltage and current measurements for cell and pack impedance monitoring. When combined with the MPF4279x battery fuel gauge, the MP2791 achieves a state of charge (SOC) error within 2%. The MP2791 includes a high-side MOSFET (HS-FET) driver for charge/discharge control. The discharge (DSG) MOSFET driver includes a programmable soft-start (SS) to provide controlled turn-on, eliminating the need for external precharge circuitry. The MOSFET driver also incorporates overcurrent protection (OCP), short circuit protection (SCP), battery undervoltage protection (UVP), battery overvoltage protection (OVP), and high/low temperature protection. All protections have configurable thresholds. Internal passive balancing MOSFETs are used to equalize mismatched cells and can support up to 58mA. There is also an option to drive external balancing transistors (MOSFETs or BJTs). The MP2791 is available in a TQFP-48 (7mm x 7mm) package.

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    Battery Monitoring and Protection 7 Cell to 14 Cell High Accuracy Battery Monitor and Protector with Coulomb Counting MP2791

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1 Models of Battery Monitoring and Protection 7 Cell to 14 Cell High Accuracy Battery Monitor and Protector with Coulomb Counting MP2791

Image Part Number Price (excluding tax) Communication interface Coulomb Counting Hide Side or Low Driver Max Pack Voltage Min Pack Voltage Self-diagnosis Package (mm)
Battery Monitoring and Protection 7 Cell to 14 Cell High Accuracy Battery Monitor and Protector with Coulomb Counting MP2791-Part Number-MP2791

MP2791

Available upon quote

CRC, I2C/SPI

Yes

High side

75

18

Yes

TQFP-48 (7x7)

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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Battery Management Systems (BMS)
Battery Management Systems (BMS)　Monolithic Power Systems, Inc.
Monolithic Power Systems, Inc.

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