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bq34z100

Texas Instruments
Part Number bq34z100
Manufacturer Texas Instruments
Description Wide Range Fuel Gauge
Published Nov 28, 2019
Detailed Description bq34z100 www.ti.com SLUSAU1B – MAY 2012 – REVISED DECEMBER 2012 Wide Range Fuel Gauge with Impedance Track™ Technolog...
Datasheet PDF File bq34z100 PDF File

bq34z100
bq34z100

Overview
bq34z100 www.
ti.
com SLUSAU1B – MAY 2012 – REVISED DECEMBER 2012 Wide Range Fuel Gauge with Impedance Track™ Technology Check for Samples: bq34z100 FEATURES 1 •23 Supports Li-Ion and LiFePO4 Chemistries • Capacity Estimation Using Patented Impedance Track™ Technology for Batteries from 3 V to 65 V – Aging Compensation – Self-Discharge Compensation • Supports Battery Capacities Above 65 Ahr • Supports Charge and Discharge Currents Above 32 A • External NTC Thermistor Support • Supports Two-Wire I2C™ and HDQ Single-Wire Communication Interfaces with Host System • SHA-1/HMAC Authentication • One- or Four-LED Direct Display Control • Five-LED and Higher Display Through Port Expander • Reduced Power Modes (Typical Battery Pack Operating Range Conditions) – Normal Operation: < 140 µA Average – Sleep: < 64 µA Average – Full Sleep: < 19 µA Average • Package: 14-Pin TSSOP APPLICATIONS • Light Electric Vehicles • Power Tools • Medical Instrumentation • Uninterruptible Power Supplies (UPS) • Mobile Radios DESCRIPTION The Texas Instruments bq34z100 is a fuel gauge solution that works independently of battery series-cell configurations, and supports a wide range of Li-Ion and LiFePO4 battery chemistries.
Batteries from 3 V to 65 V can be supported through an external voltage translation circuit that can be controlled automatically to reduce system power consumption.
The bq34z100 device provides several interface options, including an I2C slave, an HDQ slave, one or four direct LEDs, and an ALERT output pin.
Additionally, the bq34z100 provides support for an external port expander for more than four LEDs.
ORDERING INFORMATION TA –40°C to 85°C PART NUMBER bq34z100PW or bq34z100PWR PACKAGE (TSSOP) 14-Pin TUBE PW TAPE AND REEL PWR 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Impedance Track i...


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