BQ34Z100-G1 Multi-Chemistry Impedance Track Standalone Fuel Gauge | Battery Gas Gauge | TI.com

BQ34Z100-G1 (ACTIVE)

Multi-Chemistry Impedance Track Standalone Fuel Gauge | Battery Gas Gauge

Multi-Chemistry Impedance Track Standalone Fuel Gauge | Battery Gas Gauge - BQ34Z100-G1
 

Description

The bq34z100-G1 device is an Impedance Track™ fuel gauge for Li-Ion, PbA, NiMH, and NiCd batteries, and works independently of battery series-cell configurations. Batteries from 3 V to 65 V can be easily supported through an external voltage translation circuit that is controlled automatically to reduce system power consumption.

The bq34z100-G1 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-G1 provides support for an external port expander for more than four LEDs.

Features

  • Supports Li-Ion, LiFePO4, PbA, NiMH, and NiCd Chemistries
  • Capacity Estimation Using Patented Impedance Track™ Technology for Batteries from 3 V to 65 V
    • Aging Compensation
    • Self-Discharge Compensation
  • Supports Battery Capacities up to 29 Ah with Standard Configuration Options
  • Supports Charge and Discharge Currents up to 32 A with Standard Configuration Options
  • 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: < 145-µA Average
    • Sleep: < 84-µA Average
    • Full Sleep: < 30-µA Average
  • Package: 14-Pin TSSOP

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Parametrics Compare all products in Battery Fuel Gauge

 
Number of Series Cells
Cell Chemistry
Battery Capacity (Max) (mAh)
Communication Interface
Battery Capacity (Min) (mAh)
External Capacity Indication
Implementation
Gas Gauge Algorithm
Cell Balancing
Features
Operating Temperature Range (C)
Pin/Package
BQ34Z100-G1 BQ27510-G3 BQ27542-G1 BQ34110 BQ78350-R1
2-4 Cells
>4 Cells
Single Cell    
Single Cell     Single Cell     2-4 Cells
>4 Cells
Single Cell    
>4 Cells    
Lead Acid
Li-Ion/Li-Polymer
LiFePO4
NiCd
NiMH    
Li-Ion/Li-Polymer     Li-Ion/Li-Polymer     Lead Acid
Li-Ion/Li-Polymer
LiFePO4
NiCd
NiMH    
Li-Ion/Li-Polymer
LiFePO4    
29000     16000     32000     29000     320000    
HDQ
I2C    
I2C     HDQ
I2C    
I2C     I2C
SMBus    
100     300     100     100     100    
LED     None     None     None     LCD
LED
SOC    
Pack
System    
System     Pack     Pack
System    
Pack    
Impedance Track     Impedance Track     Impedance Track     CEDV     CEDV    
N/A     N/A     N/A     N/A     External
Internal    
SHA-1 Authentication     N/A     SHA-1 Authentication     Accumulated Coulomb Count
End of Service
SHA-1 Authentication    
Cell Balancing
Integrated Protector
SHA-1 Authentication    
-40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85    
14TSSOP     12SON     12SON     14TSSOP     30TSSOP