SLUUBG6 May   2017 BQ25700A , BQ25703A

 

  1.   bq2570x Evaluation Module
    1.     Trademarks
    2. 1 Introduction
      1. 1.1 EVM Features
      2. 1.2 General Description
    3. 2 Test Summary
      1. 2.1 Definitions
      2. 2.2 Equipment
      3. 2.3 Equipment Setup
      4. 2.4 Procedure
        1. 2.4.1 Charge Function
        2. 2.4.2 OTG Function
    4. 3 Bill of Materials, Board Layout, and Schematics
      1. 3.1 Bill of Materials
      2. 3.2 Board Assembly Layout
      3. 3.3 Schematic

1.1 EVM Features

This EVM supports the following features:

  • Evaluation module for the bq2570x devices
  • Supports 3.5- to 24-V input source
    • 3.5- to 24-V, 0- to 6-A input operating range and 1–4 cell battery configuration
    • Supports USB2.0, USB 3.0, USB 3.1 (USB Type-C™) and USB_PD
    • Supports USB OTG with 4.48- to 20.8-V adjustable output
    • Maximum Power Tracking by Input Voltage and Current Regulation
  • Narrow VDC (NVDC) power path management
    • Instant-on works with no battery or deeply discharged battery (PG1.0 needs charge-enable command)
    • Battery supplements system when adapter is fully-loaded
  • 800-kHz or 1.2-MHz switching frequency for low profile inductor
  • SMBus (bq25700A) or I2C (bq25703A) port for optimal system performance and status reporting
  • Power and Current Monitor for CPU Throttling
  • Safety
    • Thermal shutdown
    • Input and system overvoltage protection
    • MOSFET overcurrent protection
  • Accelerate charge time by battery path impedance compensation
  • Charge status outputs for LED or host processor
  • Maximum power tracking capability by input voltage regulation
  • Test points for key signals available for testing purposes. Easy probe hook-up.
  • Jumpers available. Easy-to-change connections.