SLUUCB9A June   2020  – January 2021 BQ25730 , BQ25731

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 EVM Features
    2. 1.2 General Description
  3. 2Test 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. 3Bill of Materials, Board Layout, and Schematics
    1. 3.1 Bill of Materials
    2. 3.2 Board Assembly Layout
    3. 3.3 Schematic
  5.   Revision History

2.4.2 OTG Function

Use the following for OTG function settings:

  1. Connect a 7-V power supply to the VBAT load. Remove the VIN power supply from J1 (Connection must be physically removed from board).
  2. Write “09C4” to the OTG voltage register.
  3. Write “1000” to the OTG current registers.
  4. Remove JP2 (Enable OTG/VAP function).
  5. Select EN_OTG in Charge Option 3.
    Measure → V(J1(VIN)) = 5 V ±1 V
    GUID-20210118-CA0I-T5CN-BZF4-MD2BW535GC3R-low.pngFigure 2-4 EN_OTG