The Texas Instruments bq27541 Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires little system microcontroller firmware development for accurate battery fuel gauging. The bq27541 resides within the battery pack or on the system’s main-board with an embedded battery (n.
1
•23 Battery Fuel Gauge for 1-Series Li-Ion Applications
• Microcontroller Peripheral Provides:
– Accurate Battery Fuel Gauging
– Internal Temperature Sensor for System Temperature Reporting
– SHA-1/HMAC Authentication
– 96 Bytes of Non-Volatile Scratch Pad FLASH
• Battery Fuel Gauging Based on Patented Impedance Track™ Technology
– Models Battery Discharge Curve for Accurate Time-To-Empty Predictions
– Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature/Rate Inefficiencies
– Low-Value Sense Resistor (5 mΩ to 20 mΩ)
• HDQ and I2C™ Interface Formats for
Communicati.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | bq27541-G1 |
Texas Instruments |
Single Cell Li-Ion Battery Fuel Gauge | |
2 | bq27541-V200 |
Texas Instruments |
Single Cell Li-Ion Battery Fuel Gauge | |
3 | bq27542-G1 |
Texas Instruments |
Single Cell Li-Ion Battery Fuel Gauge | |
4 | bq27545-G1 |
Texas Instruments |
Single Cell Li-Ion Battery Fuel Gauge | |
5 | bq27546-G1 |
Texas Instruments |
Single Cell Li-Ion Battery Fuel Gauge | |
6 | bq27500 |
Texas Instruments |
System-Side Impedance Track Fuel Gauge | |
7 | bq27501 |
Texas Instruments |
System-Side Impedance Track Fuel Gauge | |
8 | bq27505-J2 |
Texas Instruments |
System-Side Impedance Track Fuel Gauge | |
9 | bq27505-J3 |
Texas Instruments |
System-Side Impedance Track Fuel Gauge | |
10 | bq27505-J4 |
Texas Instruments |
System-Side Impedance Track Fuel Gauge | |
11 | bq27505-J5 |
Texas Instruments |
System-Side Impedance Track Fuel Gauge | |
12 | BQ27520-G4 |
Texas Instruments |
System-Side Impedance Track Fuel Gauge |