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Impedance Track™ Gas Gauge and Protection Solution for 1 Series


Package | PIN: VSON (DRZ) | 12
Temp: I (-40 to 85)
Carrier: Cut Tape
Qty Price
1-9 $3.08
10-24 $2.77
25-99 $2.58
100-249 $2.26
250-499 $2.12
500-749 $1.80
750-999 $1.52
1000+ $1.45


  • High-side protection N-CH FET drive allows serial bus communication during fault conditions
  • Programmable protection levels for voltage, current, and temperature
  • Analog front end with two independent ADCs
    • Support for simultaneous current and voltage sampling
    • High-accuracy coulomb counter with input offset error < 1 µV(typical)
  • Supports down to 1-mΩ current sense resistor while capable of 1-mA current measurement
  • SHA-1 authentication responder for increased battery pack security
  • 400-kHz I2C bus communications interface for high-speed programming and data access
  • Compact 12-pin VSON package (DRZ)

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Texas Instruments  BQ27750DRZR

The Texas Instruments bq27750 Impedance Track™ device isa highly integrated, accurate 1-series cell gas gauge and protection solution. The bq27750 deviceprovides a fully integrated pack-based solution with a flash programmable custom reducedinstruction-set CPU (RISC), safety protection, and authentication for 1-series cell li-ion andli-polymer battery packs.

The bq27750 gas gauge communicates via an I2C-compatibleinterface and combines an ultra-low-power, high-speed TI bqBMP processor, high-accuracy analogmeasurement capabilities, integrated flash memory, an array of peripheral and communication ports,an N-CH FET drive, and a SHA-1 Authentication transform responder into a complete, high-performancebattery management solution.