(China (Mainland))
Product Summary
The Texas Instruments BQ27541DRZR-V200 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 BQ27541DRZR-V200 resides within the battery pack or on the system’s main-board with an embedded battery(nonremovable). The BQ27541DRZR-V200 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 (℃). The BQ27541DRZR-V200 also features integrated support for secure battery pack authentication, using the SHA-1/HMAC authentication algorithm.
Parametrics
BQ27541DRZR-V200 absolute maximum ratings: (1)VI Regulator input, REGIN: -0.3 to 24 V; (2)VCC Supply voltage range: -0.3 to 2.75 V; (3)VIOD Open-drain I/O pins (SDA, SCL, HDQ): -0.3 to 6 V; (4)VBAT BAT input, (pin 4): -0.3 to 6 V; (5)VI Input voltage range to all others (pins 1, 7, 8, 9): -0.3 to VCC + 0.3 V ; (6)ESD: Human Body Model (HBM), BAT pin 1.5kV; Human Body Model (HBM), all pins 2; (7)TF Functional temperature range: -40 to 100 ℃; (8)Tstg Storage temperature range: -65 to 150 ℃.
Features
BQ27541DRZR-V200 features: (1)Battery Fuel Gauge for 1-Series Li-Ion Applications; (2)Microcontroller Peripheral Provides: Accurate Battery Fuel Gauging; Internal Temperature Sensor for System Temperature Reporting; (3)Battery Fuel Gauging Based on Patented Impedance Track Technology; (4)HDQ and I2C Interface Formats for Communication With Host System; (5)Small 12-pin 2,5 mm ?4 mm SON Package.
Diagrams
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 BQ27541DRZR-V200 |
Texas Instruments |
Battery Management Single Cell Li-Ion Batt Fuel Gauge |
Data Sheet |
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