BQ34Z110 Texas instruments

BQ34Z110

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BQ34Z110

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Описание

The Texas Instruments bq34z110 is a fuel gauge solution that works independently of battery series-cell configurations, and supports Lead-Acid battery chemistries. Batteries from 4 V to 64 V can be supported through an external voltage translation circuit that can be controlled automatically to reduce system power consumption. The bq34z110 device provides several interface options, including an I2C slave, an HDQ slave, one or four direct LEDs, and an Alert output pin. Additionally, the bq34z110 provides support for an external port expander for more than four LEDs.

Supports Lead-Acid Chemistries
Capacity Estimation Using Patented Impedance
Track Technology for Batteries from 4 V to 64 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

Cell chemistry	Lead Acid
Number of series cells	>4 Cells
Communication interface	HDQ, I2C
Battery capacity (min) (mAh)	800
Battery capacity (max) (mAh)	320000
Implementation	Pack
External capacity indication	LED
Features	Impedance Track™ algorithm
Operating temperature range (°C)	-40 to 85
Rating	Catalog