制造商:TI
The Texas Instruments bq27541-G1 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-G1 resides within the battery pack or on the system’s main-board with an embedded battery (nonremovable).
The bq27541-G1 uses the patented Impedance Track™ algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), run-time to empty (min.), battery voltage (mV), and temperature (°C). It also provides detections for internal short or tab disconnection events.
The bq27541-G1 also features integrated support for secure battery pack authentication, using the SHA-1/HMAC authentication algorithm
Battery Fuel Gauge for 1-Series (1sXp) Li-Ion Applications up to 32Ahr capacity
Microcontroller Peripheral Provides:
Accurate Battery Fuel Gauging supports up to 32Ahr
Internal or External Temperature Sensor for Battery Temperature Reporting
SHA-1/HMAC Authentication
Lifetime Data Logging
64 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 (5mΩ to 20mΩ)
Advanced Fuel Gauging Features
Internal Short Detection
Tab Disconnection Detection
HDQ and I2C Interface Formats for Communication With Host System
Small 12-pin 2.5 mm × 4 mm SON Package
BQ27541-G1 封装图
BQ27541-G1电路图
BQ27541-G1 引脚图
型号 | 制造商 | 描述 | 购买 |
---|---|---|---|
BQ27541DRZT-G1 | TI | IC BATT FUEL GAUGE LI-ION 12SON | 立即购买 |
BQ27542DRZT-G1 | TI | IC BATT FUEL GAUGE LI-ION 12SON | 立即购买 |
BQ27542DRZR-G1 | TI | IC BATT FUEL GAUGE LI-ION 12SON | 立即购买 |
BQ27541DRZR-G1 | TI | IC BATT FUEL GAUGE LI-ION 12SON | 立即购买 |
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