BMx7318 Evaluation Board for All-in-One BMS Solution

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The EVBMA7318AIO provides a solution for both centralized and distributed lithium‑ion battery management system (BMS) in automotive and energy storage system (ESS) applications. The board integrates two BMA7318 devices controlled by a single microcontroller (MCU). Each BMA7318 can measure lithium‑ion batteries with four to 18 cells.

The first BMA7318 communicates with the MCU via isolated Serial Peripheral Interface (ISO‑SPI) and connects to the second BMA7318 through TPL with transformer isolation. Off‑board TPL communication also uses transformer isolation. The MCU is powered by a System Basis Chip (SBC) supplied from a 12 V DC source.

Block Diagram

BMx7318 Evaluation Board

BMx7318 Evaluation Board for All-In-One BMS Solution
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Supported Devices

Battery Management

Battery Cell Controllers

Power Management

12 V, 24 V, and 48 V SBC Solutions

  • FS23: Safety System Basis Chip (SBC) Family with Power Management, CAN and LIN

Processors and Microcontrollers

S32K Auto General-Purpose MCUs

  • S32K3: S32K3 Microcontrollers for Automotive General Purpose

Features

Core Capabilities

  • Flexible BMS architecture
  • Two BMA7318 devices on one board
  • BMA7318 can measure voltage for up to 18 battery cells with high accuracy
  • BMA7318 has 10 or 12 channels temperature sensing
  • Cell balancing current up to 300 mA
  • Implemented with low-cost FS23 SBC and S32K312 MCU
  • Joint Test Action Group (JTAG) debugging interface
  • High electromagnetic compatibility (EMC) performance

Connectivity

  • ISO-SPI isolation communication between first BMA7318 and MCU, no TPL transceiver necessary
  • Transformer isolation TPL communication for off-board connections
  • One Controller Area Network (CAN) interface channel for communicating with the host controller or graphical user interface (GUI)
  • One external Universal Asynchronous Receiver-Transmitter (UART) interface for communicating with GUI

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BMx7318 Evaluation Board for All-in-One BMS Solution.

    $230.00 USD
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