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BQ20Z90 Datasheet PDF

Part Series:BQ20Z90 Series
Category:Battery Management
Description:TEXAS INSTRUMENTS BQ20Z90DBT-V150 Li-Ion, Li-Pol Battery Fuel Gauge IC, 2.4V to 2.6V supply, I2C interface, TSSOP-30
Document:BQ20Z90DBT Datasheet PDF (28 Pages)

BQ20Z90 Datasheet PDF Battery Management

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BQ20Z90DBT-V150 - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
30 Pin
Supply Voltage (DC)
2.40V (min)
Case/Package
TSSOP-30
Output Voltage
≤14.4 V
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BQ20Z90DBT-V150 - TI Function Overview

The BQ20Z90DBT-V150 is a SBS v1.1 compliant Gas Gauge for use with the BQ29330. It is designed for battery-pack or in-system installation. It measures and maintains an accurate record of available charge in Li-ion or Li-polymer batteries using its integrated high-performance analog peripherals. It monitors capacity change, battery impedance, open-circuit voltage and other critical parameters of the battery pack and reports the information to the system host controller over a serial-communication bus. It is designed to work with the BQ29330 analog front-end (AFE) protection IC to maximize functionality and safety and minimize component count and cost in smart battery circuits. The Impedance Track technology continuously analyzes the battery impedance, resulting in superior gas-gauging accuracy. This enables remaining capacity to be calculated with discharge rate, temperature and cell aging all accounted for during each stage of every cycle.
Better than 1% error over lifetime of the battery
Instant accuracy - no learning cycle required
Supports the smart battery specification SBS V1.1
Full array of programmable voltage, current and temperature protection features
Better than 0.65nVh of resolution
Self-calibrating
Extensive data reporting options for improved system interaction
Supports SHA-1 authentication
Lifetime data logging
Green product and no Sb/Br
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