BQ27510-G3 bq27510-G3 Datasheet | TIJ.co.jp

BQ27510-G3
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bq27510-G3 Datasheet

 

概要

The Texas Instruments BQ27510-G3 system-side 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. The BQ27510-G3 resides on the system’s main board and manages an embedded battery (non-removable) or a removable battery pack.

The BQ27510-G3 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), temperature (°C) and state-of-health (%).

Battery fuel gauging with the BQ27510-G3 requires only PACK+ (P+), PACK– (P–), and optional Thermistor (T) connections to a removable battery pack or embedded battery circuit.

特長

  • Single-series cell li-ion battery fuel gauge resides on system board
    • Integrated 2.5-VDC LDO
    • External low-value 10-mΩ sense resistor
  • Patented Impedance Track™ technology
    • Adjusts for battery aging, self-discharge, temperature, and rate changes
    • Reports remaining capacity, state-of-Charge (SOC), and time-to-empty
      • Optional smoothing filter
    • Battery state-of-health (aging) estimation
    • Supports embedded or removable packs with up to 32-Ah capacity
      • Accommodates pack swapping with 2 separate battery profiles
  • Microcontroller Peripheral Supports:
    • 400-kHz I2C serial interface
    • 32 bytes of scratch-pad FLASH NVM
    • Battery low digital output warning
    • Configurable SOC interrupts
    • External thermistor, internal sensor, or host-reported temperature options
  • Small 12-pin 2.50 mm × 4.00 mm SON package

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機能一覧

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Part number オーダー・オプション Number of series cells Cell chemistry Battery capacity (Max) (mAh) Communication interface Battery capacity (Min) (mAh) External capacity indication Implementation Gas gauge algorithm Cell balancing Features Operating temperature range (C) Package Group Package size: mm2:W x L (PKG)
BQ27510-G3 ご注文 Single Cell     Li-Ion/Li-Polymer     16000     I2C     300     None     System     Impedance Track             -40 to 85     SON | 12     12SON: 10 mm2: 2.5 x 4 (SON | 12)