SLUUCB5E June   2020  – July 2022 BQ25792 , BQ25798

 

  1.   BQ25792EVM, BQ25798BKUPEVM and BQ25798EVM (BMS034) Evaluation Module
  2. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 I/O Descriptions
    3. 1.3 Recommended Operating Conditions
  3. 2Test Setup and Results
    1. 2.1 Equipment
    2. 2.2 Equipment Setup
    3. 2.3 Software Setup
      1. 2.3.1 BQSTUDIO using EV2400
      2. 2.3.2 TI Charger GUI for USB2ANY
    4. 2.4 Test Procedure
      1. 2.4.1 Initial Settings
      2. 2.4.2 Communication Verification
      3. 2.4.3 Charge Mode Verification
      4. 2.4.4 OTG Mode Verification
  4. 3PCB Layout Guidelines
  5. 4Board Layout, Schematic and Bill of Materials
    1. 4.1 BMS034 Board Layout
    2. 4.2 BQ2579XEVM (BMS034) Schematics
    3. 4.3 Bill of Materials
  6. 5Revision History

1.1 EVM Features

The BQ25792/8EVM is a complete module for evaluating the BQ25792/8 charger IC in the QFN package. Key features of this EVM include:

  • Synchronous Switch Mode Buck-Boost Charger for 1s-4s Battery Configuration for 5-A Charging with 10-mA Resolution
  • Support for 3.6-V to 24-V Wide Range of Input Sources USB Auto-Detect, USB PD and Wireless Input
  • Dual Input Source Selector to Drive Bi-Directional Blocking NFETs
  • Power up USB Port from Battery (USB OTG) with 2.8-V to 22-V OTG Output Voltage with 10-mV Resolution
  • Low Battery Quiescent Current < 1 µA in Shutdown Mode
  • BQ25798 has MPPT and backup mode features.

The device data sheet, listed in Table 1-1, provides detailed features and operation.

Table 1-1 Device Data Sheet
Device Data Sheet
BQ25792 SLUSDG1
BQ25798 SLUSDV2