Ti Bq27421-G1 Battery Power Charge Management Chip Voltage Monitor Protector Electronic Components Integrated Circuit IC.

• shape: Flat
• Conductive Type: Bipolar Integrated Circuit
• Integration: MSI
• Technics: Semiconductor IC
• Application: Standard Generalized Integrated Circuit
• Type: Digital / Analog IC
• Model NO.: BQ27421-G1
• Rating: Catalog
• RoHS: Yes
• Reach: Yes
• Lead Finish / Ball Material: Nipdau / Snagcu
• Delivery Time: 1-3 Days
• Transport Package: Small Large T&R
• Specification: 9 mm² 3 x 3
• Trademark: TI
• HS Code: 8542399000
• Production Capacity: 60000

Product Description

Packaging information

Package | PinsDSBGA (YZF) | 9

Operating temperature range (°C)-40 to 85

Package qty | Carrier3,000 | LARGE T&R

Features for the BQ27421-G1

• Single-Cell Li-Ion Battery Fuel Gauge
  • Resides on System Board
  • Supports Embedded or Removable Batteries
  • Powered Directly from Battery with Integrated
    LDO
  • Low-Value Integrated Sense Resistor
    (7 mΩ, Typical)
• Easy-to-Configure Fuel Gauging Based on
  Patented Impedance Track™ Technology
  • Reports Remaining Capacity and State-of-
    Charge (SOC) with Smoothing Filter
  • Automatically Adjusts for Battery Aging, Self-
    Discharge, Temperature, and Rate Changes
  • Battery State-of-Health (Aging) Estimation
• Microcontroller Peripheral Supports:
  • 400-kHz I²C Serial Interface
  • Configurable SOC Interrupt or
    Battery Low Digital Output Warning
  • Internal Temperature Sensor or
    Host-Reported Temperature

Description for the BQ27421-G1

The Texas Instruments bq27421-G1 fuel gauge is a minimally configured microcontroller peripheral that provides system-side fuel gauging for single-cell Li-Ion batteries. The device requires very little user configuration and system microcontroller firmware development.

The bq27421-G1 fuel gauge uses the patented Impedance Track^TM algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), and battery voltage (mV).

Battery fuel gauging with the bq27421-G1 fuel gauge requires connections only to PACK+ (P+) and PACK- (P-) for a removable battery pack or embedded battery circuit. The tiny 9-ball, 1.62 mm × 1.58 mm, 0.5-mm pitch NanoFree™ chip scale package (DSBGA) is ideal for space-constrained applications.