Part BQ25708
Description SMBus Multi-Chemistry Battery Buck-Boost Charge Controller
Manufacturer Texas Instruments
Size 1.67 MB
Texas Instruments
BQ25708

Overview

  • 1 Charge 1- to 4-Cell Battery From Wide Range of Input Sources - 3.5-V to 24-V Input Operating Voltage - Supports USB2.0, USB 3.0, USB 3.1 (Type C), and USB_PD Input Current Settings - Seamless Transition Between Buck and Boost Operation - Input current and Voltage Regulation (IDPM and VDPM) Against Source Overload
  • Power/Current Monitor for CPU Throttling - Comprehensive PROCHOT Profile, IMVP8 Compliant - Input and Battery Current Monitor - System Power Monitor, IMVP8 Compliant
  • Narrow-VDC (NVDC) Power Path Management - Instant-On With No Battery or Deeply Discharged Battery - Battery Supplements System When Adapter is Fully-Loaded - Ideal Diode Operation in Supplement Mode
  • 800-kHz or 1.2-MHz Programmable Switching Frequency for 1-µH to 3.3-µH Inductor
  • Host Control Interface for Flexible System Configuration - SMBus Port for Optimal System Performance and Status Reporting - Hardware Pin to Set Input Current Limit Without EC Control
  • Integrated ADC to Monitor Voltage, Current and Power
  • High Accuracy Regulation and Monitor - ±0.5% Charge Voltage Regulation - ±2% Input/Charge Current Regulation - ±2% Input/Charge Current Monitor - ±5% Power Monitor
  • Safety - Thermal Shutdown - Input, System, Battery Overvoltage Protection - MOSFET Inductor Overcurrent Protection
  • Low Battery Quiescent Current
  • Input Current Optimizer (ICO) to Extract Max Input Power