SLVUDB3 July   2025 BQ25176K

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 I/O Descriptions
    2. 2.2 Printed Circuit Board Assembly
    3. 2.3 Best Practices
    4. 2.4 Test Summary
      1. 2.4.1 Equipment
      2. 2.4.2 Cautions
      3. 2.4.3 Test Instructions
  8. 3Hardware Design Files
    1. 3.1 Schematic
    2. 3.2 Board Layout
    3. 3.3 Bill of Materials
  9. 4Additional Information
    1.     Trademarks

2.1 I/O Descriptions

Table 2-1 lists the input and output connections available on this EVM and their respective descriptions.

Table 2-1 EVM I/O Connections
I/O ConnectorDescription
J1 – VIN / GNDMax operating input voltage is 25V, OVP trip point.
Max input voltage is 30V while in OVP.
J2 – OUT (BAT+) / GND (BAT-) / GND / TSBattery connection, TS is 10k NTC but is not needed.
JP1 – VSET ADJDisable R9, default is installed.
JP2 – REG / IN / OUTSource voltage for housekeeping regulator, U2. Default Input voltage IN.
JP3 – PG (Power Good) LEDDefault setting is ON.
JP4 – ISETSets fast charge current. Fixed = 400 mA ADJ= R22 range 60mA to 600mA.
JP5 - STAT LEDDefault setting is ON.
JP6 – TSNTC temp sensor. Fixed=10k (safe) ADJ=R19 range from 0 to 50kΩ. Default Fixed.
JP7Not used, do not install
JP8Not used, do not install
JP9Not used, do not install

Table 2-2 lists the S1 switch positions for VSET and their respective descriptions. Use only one postion ON, do not combine.

Table 2-2 VSET S1 Switch Positions
Position / RX / ValueLi+Voltage / Configuration
#1 / R1 / 100kΩ3.5V / 1-Cell LiFePO4
#2 / R2 / 82.5kΩ3.6V / 1-Cell LiFePO4
#3 / R3 / 61.9kΩ3.7V / 1-Cell LiFePO4
#4 / R4 / 35.7kΩ4.58V / 1-Cell Li-Ion
#5 / R5 / 27.4kΩ4.53V / 1-Cell Li-Ion
#6 / R6 / 24.3kΩ4.35V / 1-Cell Li-Ion
#7 / R7 / 18.2kΩ4.4V / 1-Cell Li-Ion
#8 / R8 / 0ΩShort Circuit – No Charge