BQ27426YZFR
Battery Management
Technical Specifications
| Type | Description |
|---|---|
| Working Voltage V | 3.475 V |
| Interface | I2C |
| Iq A | 5e-05 |
| 0V Battery Charge | - |
| Type of Battery | Lithium Battery |
| The Chip Type | Monitoring IC |
| Type | Description |
|---|---|
| Balance Current | - |
| Charge Current - Max | - |
| Operating Temp | -40°C ~ +85°C |
| Features | Under-voltage lockout |
| Package / Case | DSBGA-9 |
Product Introduction
The bq27426 battery fuel gauge is a single-cell gauge that requires minimal user-configuration and system microcontroller firmware development, leading to quick system bring-up.
Three chemistry profiles are pre-programmed to enable minimum user-configuration, and to help manage customer inventory across projects with different battery chemistries. The bq27426 battery fuel gauge has very low sleep power consumption leading to longer battery run time. Configurable interrupts help save system power and free up the host from continuous polling. Accurate temperature sensing is supported via an external thermistor.
The bq27426 battery 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).
Battery fuel gauging with the bq27426 fuel gauge requires connections only to PACK+ (P+) and PACK– (P-) for a removable battery pack or embedded battery circuit. The tiny, 9-ball, 1.62 mm x 1.58 mm, 0.5 mm pitch NanoFree™ chip scale package (DSBGA) is ideal for space-constrained applications.
Features
- Single-Cell Li-Ion Battery Fuel Gauge
- Resides on System Board
- Supports Embedded or Removable Batteries
- Powers Directly from the Battery with Integrated LDO
- Supports a Low-Value External Sense Resistor (10 mΩ)
- Ultra Low Power Consumption in NORMAL (50 μA) and SLEEP (9 μA) Modes
- Battery Fuel Gauging Based on Patented Impedance Track™ Technology
- Provides Three Selectable Pre-Programmed Profiles for 4.2-V, 4.35-V, and 4.4-V Cells
- Reports Remaining Capacity and State-of-Charge (SOC) with Smoothing Filter
- Adjusts Automatically for Battery Aging, Self-Discharge, Temperature, and Rate Changes
- Estimates Battery State-of-Health (Aging)
- Microcontroller Peripheral Interface Supports:
- 400-kHz I²C™ Serial Interface
- Configurable SOC Interrupt or Battery Low Digital Output Warning
- Internal Temperature Sensor OR Host Reported Temperature OR External Thermistor
Applications
- - Smartphones, Feature Phones, and Tablets - Wearables - Building Automation - Portable Medical/Industrial Handsets - Portable Audio Gaming
Datasheet
Alternative Parts
Common BQ27426YZFR alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
Need BQ27426YZFR from Texas Instruments for your next order? SZ Procure provides local sourcing support in Shenzhen — we help buyers check supplier availability, compare quotations, and coordinate procurement for China-sourced components.
For BQ27426YZFR, we can check current supplier availability, compare quotations from multiple sources, coordinate purchasing, and arrange pre-shipment inspection and shipment consolidation according to your requirements.
Need BQ27426YZFR? Send us your required quantity and specifications for a sourcing check and quotation.