BQ27545EVM

BQ27545EVM Single Cell, Pack Side, Impedance Track Fuel Gauge Evaluation Module

BQ27545EVM

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Overview

The BQ27545EVM along with bqEVSW provides the customer tools for developing battery fuel gauging modules for a pack-side fuel gauge solution. Customers are able to configure BQ27545EVM so that it can provide accurate battery fuel gauging information. BQ27545EVM gives the customer information such as battery voltage, temperature measurement, Remaining State of Charge and Run Time to Empty through its RAM registers. The BQ27545EVM allows the customer to evaluate the BQ27545 IC according to its datasheet.

Features
  1. Battery Fuel Gauge for 1-Series (1sXp) Li-Ion Applications up to 32Ahr capacity
  2. Microcontroller Peripheral Provides:
    1. Accurate Battery Fuel Gauging supports up to 32Ahr
    2. Internal or External Temperature Sensor for Battery Temperature Reporting
    3. SHA-1/HMAC Authentication
    4. Lifetime Data Logging
    5. 64 Bytes of Non-Volatile Scratch Pad FLASH
  3. Battery Fuel Gauging Based on Patented Impedance Track Technology
    1. Models Battery Discharge Curve for Accurate Time-To-Empty Predictions
    2. Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature/Rate Inefficiencies
    3. Low-Value Sense Resistor (5mΩ to 20mΩ)
  4. Advanced Fuel Gauging Features
    1. Internal Short Detection
    2. Tab Disconnection Detection
  5. In a 15-Pin NanoFree™ (CSP) Packaging

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Evaluation board

BQ27545EVM – BQ27545 Single Cell, Pack Side, Impedance Track Fuel Gauge Evaluation Module

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Limit: 1
Support software

bq27545-G1 (v2.24) Firmware (.senc file) – SLUC389.ZIP (47KB)

Support software

bqEVSW installer for all bq275xx devices (Rev. C) – SLUC367C.ZIP (63861KB)

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
Certificate BQ27545EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Data sheet bq27545-G1 Single-Cell Li-Ion Battery Fuel Gauge For Battery Pack Integration datasheet (Rev. E) May 11, 2018
Data sheet bq27545-G1 Single-Cell Li-Ion Battery Fuel Gauge For Battery Pack Integration datasheet (Rev. D) Dec. 16, 2015
User guide bq27545EVM Single-Cell Impedance Track™ Technology Jun. 12, 2012

Support & training

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