SLUUD36 July   2024 BQ25820

 

  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 Specification
    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 Board Parameters
    2. 2.2 IO and Jumper Descriptions
    3. 2.3 Equipment
      1. 2.3.1 Equipment Set Up
      2. 2.3.2 Equipment - Using a CV Load
      3. 2.3.3 Equipment Setup - Using a CV Load
  8. 3Hardware Design Files
    1. 3.1 Schematic
    2. 3.2 PCB Layout
    3. 3.3 Bill of Materials
  9. 4Additional Information
    1. 4.1 Trademarks

2.1 Board Parameters

Table 2-1 Default board setup for BQ25820VM
DescriptionValueUnit
ACUVInput undervoltage10V
ACOVInput overvoltage55V
IINInput current of the EVM8A
IOUTOutput current of the EVM10A
FSW_SYNCSwitching frequency of the power stage250KHz
VBAT_REG Battery charge voltage 29.4 V
IAC Sense Resistor Input current sense resistor 2 mΩ
Table 2-2 PCB and Mechanical Parameters
ValueUnit
Board Size (X dimension, or length)112mm
Board Size (Y dimension, or width)84mm
IC + power stage max height5mm
Total Copper Layers6layer
Copper weight per layer2oz
Total board thickness62mil