SLUUD99A February   2025  – April 2025 BQ25858-Q1 , BQ25858B-Q1

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specifications
      1. 1.3.1 Recommended Operating Conditions
      2. 1.3.2 PCB and Mechanical Parameters
    4. 1.4 Device Information
    5. 1.5 General Texas Instruments High Voltage Evaluation (TI HV EMV) User Safety Guidelines
      1. 1.5.1 General Safety Information
  7. 2Hardware
    1. 2.1 Power Requirements
    2. 2.2 Equipment
    3. 2.3 Setup
    4. 2.4 Header Information
    5. 2.5 Jumper Information
  8. 3Software
    1. 3.1 Communication Interface Installation
      1. 3.1.1 BQSTUDIO using EV2400
      2. 3.1.2 TI Charger GUI for USB2ANY
  9. 4Hardware Design Files
    1. 4.1 Schematics
    2. 4.2 PCB Layouts
    3. 4.3 Bill of Materials (BOM)
  10. 5Additional Information
    1. 5.1 Trademarks
  11. 6Revision History

Features

  • Wide input voltage operating range: 4.2V to 55V
  • Wide output operating range: up to 55V
  • Synchronous buck-boost DC/DC controller with NFET drivers
    • Adjustable switching frequency from 200kHz to 600kHz
    • Optional synchronization to external clock
    • Optional gate driver supply input for optimized efficiency
  • I2C-controlled or resistor programmable options
  • Power up from battery (reverse mode) output 4V to 55V
  • High safety integration
    • Adjustable input overvoltage and undervoltage protection
    • Output overvoltage and overcurrent protection