NXP Semiconductors MR-BMS771 Reference Design

Introduction to the MR-BMS771 Reference Design

This document serves as the user manual for the MR-BMS771 reference design. It is intended for engineers involved in the evaluation, design, implementation, and validation of the MC33771C, 14-channel Li-ion battery cell controller, S32K1 MCU, and NTAG 5 near-field communication (NFC) interface. The manual provides essential information for interfacing with the hardware, installing the GUI software, utilizing other tools, and configuring the board for various application environments.

The MR-BMS771 is a versatile battery management system (BMS) reference design suitable for applications such as mobile robotics, including drones and rovers, supporting battery configurations from 7 to 14 cells. It excels in performing analog-to-digital conversion for differential cell voltages and currents, enabling accurate battery charge coulomb counting and temperature measurements. The design supports communication via DroneCAN/CyphalCAN and System Management Bus (SMBus).

Explore the capabilities of the MR-BMS771 and discover how it can enhance your battery management solutions. For more detailed information, visit the official NXP Semiconductors website.

Key Features and Capabilities

• Supports battery configurations from 7S to 14S, with stack voltages ranging from 15 V to 59 V.
• Measures battery stack and cell voltages, and battery charge/discharge current up to 30 A DC.
• Features passive cell balancing and a deep sleep mode for low power consumption.
• Enables communication via CAN, I2C, and NFC.
• Provides debugging interfaces including SWD and JTAG.

Resources and Support

Find comprehensive resources, including documentation, software, and tools, on the NXP Semiconductors website at www.nxp.com/MR_BMS771.

Engage with the NXP community for ideas, tips, and technical support at community.nxp.com.