SLUSEM2 September   2021 BQ25180

ADVANCE INFORMATION  

  1. 1Features
  2. 2Applications
  3. 3Description
  4. 4Description (continued)
  5. 5Device and Documentation Support
    1. 5.1 Device Support
      1. 5.1.1 Third-Party Products Disclaimer
    2. 5.2 Receiving Notification of Documentation Updates
    3. 5.3 Support Resources
    4. 5.4 Trademarks
    5. 5.5 Electrostatic Discharge Caution
    6. 5.6 Glossary
  6. 6Mechanical, Packaging, and Orderable Information
    1. 6.1 Package Option Addendum
    2. 6.2 Tape and Reel Information
    3. 6.3 Mechanical Data

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)

Features

  • 1-A linear battery charger
    • 3.0-V to 5.9-V input voltage operating range optimized for battery to battery charging and USB adapter
    • 25-V tolerant input voltage
    • Configurable battery regulation voltage with 0.5% accuracy from 3.6 V to 4.65 V in 10-mV steps
    • Li-ion and LiFePO4 chemistries support
    • 5-mA to 1-A configurable fast charge current
    • 70-mΩ battery FET ON resistance
    • Up to 2.5-A discharge current to support high system loads
    • Configurable termination current down to 0.5 mA
    • Configurable NTC charging profile thresholds including JEITA support
    • Power cycle and advanced reset mechanism
    • I2C or standalone versions available
  • Power path management for powering the system and charging the battery
    • Regulated system voltage (SYS) ranging from 4.4 V to 4.9 V in addition to battery voltage tracking and input pass-though options
    • Configurable input current limit
    • USB Suspend mode supported
    • Dynamic power path management optimizes charging from weak adapters
  • Ultra low quiescent current
    • 10-nA Shutdown mode
    • 5-μA Ship mode with button press wake
    • 3 μA in Battery Only mode
    • 500-μA input Iq when charge is disabled/terminated
  • One push-button wake-up and reset input
  • Integrated fault protection
    • Input overvoltage protection (VIN_OVP)
    • Battery undervoltage protection (BUVLO)
    • Battery short protection (BATSC)
    • Battery overcurrent protection (BATOCP)
    • Input current limit protection (ILIM)
    • Thermal regulation (TREG) and thermal shutdown (TSHUT)
    • Battery thermal fault protection (TS)
    • Watchdog and safety timer fault