BQ27411-G1 Texas instruments

BQ27411-G1

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BQ27411-G1

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Описание

The Texas Instruments bq27411-G1 device is a battery fuel gauging solution for single-cell Li-Ion battery packs. The device requires minimal configuration and uses One Time Programmable (OTP) Non-Volatile Memory (NVM) to avoid an initialization download by the system processor.The fuel gauge uses the patented Impedance Track™ algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), and battery voltage (mV). The small, 12-pin, 2.50 mm × 4.00 mm, Small Outline No-Lead (SON) package is ideal for space-constrained applications.

Single-Cell Li-Ion Battery Fuel Gauge
- Resides in Battery Pack
- Low-Value External Sense Resistor
  (10 mΩ Typical)
- One Time Programmable (OTP) Configuration Non-Volatile Memory (NVM)
- Powered Directly from Battery with Integrated LDO
- 400-kHz I²C™ Serial Interface
- Internal Temperature Sensor or
  Host-reported Temperature
Battery 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

Cell chemistry	Li-Ion/Li-Polymer
Number of series cells	Single Cell
Communication interface	I2C
Battery capacity (min) (mAh)	200
Battery capacity (max) (mAh)	8000
Implementation	Pack
External capacity indication	None
Features	Impedance Track™ algorithm
Operating temperature range (°C)	-40 to 85
Rating	Catalog