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RAJ240055 Fixed-Firmware Evaluation Kit for Battery Management

RTK0EF0163DK0002BU

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RAJ240055 Evaluation Kit Quick Start Guide

Overview

The RAJ240055 evaluation kit consists of an evaluation module (EVM), a USB System Management Bus (SMBus), and an interface adapter. It allows users to evaluate their battery management system using the Renesas RAJ240055 Li-ion Battery Fuel Gauge IC (FGIC).

The kit includes the Battery Management System with Fixed Firmware (R-BMS F), which is a fixed-firmware that is easy to use and requires no additional development. It features user-configurable settings for determining the device's different thresholds. The evaluation kit enables a seamless transition from evaluation to customer qualification without the need for firmware development.

Contact your regional agencies/distributors for more details.

RAJ240055 Evaluation Kit - Angle
RAJ240055 Evaluation Kit - Top
RAJ240055 Evaluation Kit - Bottom
RAJ240055 Evaluation Kit - Angle
RAJ240055 Evaluation Kit - Top
RAJ240055 Evaluation Kit - Bottom
  • Complete evaluation system for Li-ion battery management
  • Optimized circuit module for quick setup
  • SMBus I/F communication
  • Built-in resistor cell simulator for quick setup with minimum wire connections
  • LED indicator to show battery level, system status (charge/discharge/alert)
  • GUI based PC software for configuration

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Renesas' Battery Management System with Fixed Firmware (R-BMS F) is a fixed firmware solution designed for the RAJ240100, RAJ240090, and RAJ240055 3–10 cell FGICs. The RTK0EF0136DK0002BU evaluation kit uses the RAJ240090/100, while the RTK0EF0163DK0002BU evaluation kit uses the RAJ240055. Both evaluation kits include an intuitive GUI tool that provides a comprehensive and flexible battery management system for accurate state-of-charge monitoring.

Support

Support Communities

  1. Renesas RAJ240055 Firmware Request

    I want to evaluate this gauge using the RTK0EF0163DK0002BU, but I requested the firmware document about half a year ago. Why has nobody given me access permission?

    May 20, 2026
  2. THe SYSIN of RAJ240055

    Hi, What is the sysin of RAJ240055? There is no clear functional description in datasheet，just a “System presence input ”，so，how to use it？can it be floated？ Regards

    Apr 23, 2026
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