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Introduction, characteristics, and applications of ADES175x high-voltage data acquisition system from Analog Devices

2/23/2024 9:15:00 AM

Summary: Measures 14 battery voltages and 6 temperature or system voltage combinations.

ADES175x Analog Devices

Analog Devices' ADES175x high-voltage data acquisition system is a flexible system for managing low-voltage and high-voltage battery modules. These systems measure 14 cell voltages and 6 temperature or system voltage combinations in 162µs with redundant measurement engines. The ADES175x system can perform all inputs in 99µs of the analog-to-digital converter (ADC) measurement engine. These systems use the battery management UART protocol for robust communication and support an I(2)C controller interface for external device control.

ADES175x systems include individually configurable safety alarms such as overvoltage, undervoltage, overtemperature and undertemperature faults. These systems operate from a maximum supply voltage of 65V and a temperature range of -40°C to 105°C. ADES175x systems can be used in electric vehicle charging, battery-powered tools, supercapacitor systems, high-voltage battery packs and residential battery storage systems.


characteristic

  • Redundant ADC and Comparator (COMP) Acquisition

  • Collect battery and bus voltage simultaneously

  • 14 battery voltage measurement channels:

    • 2.2mV/5mV/10mV accuracy (-40℃ to 105℃)

    • 1.8mV accuracy (5℃~65℃)

  • 14 Cell Balance Switches:

    • Greater than 300mA software programmable balancing current

    • Automatic battery voltage balancing

    • Automatic balancing with single cell timer

    • Emergency discharge mode

  • Battery Management UART Protocol:

    • Inductors are used for higher galvanic isolation

    • Up to 2Mbps baud rate (auto-detection)

    • Propagation delay of 1.5μs per device

    • Daisy chain up to 32 devices

    • Packet Error Checking (PEC)

  • Six configurable auxiliary inputs for temperature, voltage, or GPIO

  • Integrated mold temperature measurement

  • Heat-swappable, no external protection

  • UART and dual UART interface

  • (2) C controller

  • 32-bit unique device ID

  • Individually configured security alerts:

    • Single unit mismatch alarm

    • Overvoltage and overtemperature faults

    • Undervoltage and overtemperature faults

  • Maximum supply voltage 65V

  • Ultra-low power operation


app

  • Battery backup system (UPS)

  • High voltage battery pack

  • Residential battery storage system

  • supercapacitor system

  • electrical tools

  • Electric vehicle charging

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