Texas Instruments Single-Cell Battery Fuel Gauge BQ27010EVM 사용자 매뉴얼

차례

• FEATURES

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• APPLICATIONS

  1
• DESCRIPTION

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• TYPICAL APPLICATION

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• ABSOLUTE MAXIMUM RATINGS

  2
• RECOMMENDED OPERATING CONDITIONS

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• ELECTRICAL CHARACTERISTICS

  3
• TIMING DIAGRAMS

  5
• DEVICE INFORMATION

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• FUNCTIONAL BLOCK DIAGRAMS

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• FUNCTIONAL DESCRIPTION

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  • Measurements

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  • Charge and Discharge Coulometric and Current Measurements

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  • Offset Calibration

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  • Digital Magnitude Filter

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  • Voltage

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  • Temperature

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  • RBI Input

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  • Register Initialization and Data Integrity Checks

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  • GPIO

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  • Layout Considerations

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    • Gas Gauge Operation

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  • Register Interface

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• APPLICATION INFORMATION

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  • Control and MODE Registers (CTRL/MODE) — Address 0x00/0x01

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    • Mode Register (MODE) — Address 0x01

      13
  • At-Rate Registers (ARL/ARH) — Address 0x02/0x03

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  • At Rate Time-to-Empty Registers (ARTTEL/ARTTEH) — Address 0x04/0x05

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  • Reported Temperature Registers (TEMPL/TEMPH) — Address 0x06/0x07

    14
  • Reported Battery Voltage Registers (VOLTL/VOLTH) — Address 0x08/0x09

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  • Status Flag Register (FLAGS) — Address 0x0A

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  • Relative State-of-Charge (RSOC) — Address 0x0B

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  • Nominal Available Capacity Registers (NACL/NACH) — Address 0x0C/0x0D

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  • Last Measured Discharge Registers (LMDL/LMDH) – Address 0x0E/0x0F

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  • Compensated Available Capacity (CACL/CACH) – Address 0x10/0x11

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  • Fully-Charged Compensated Available Capacity (FCACL/FCACH) – Address 0x12/0x13

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  • Average Current Registers (AIL/AIH) — Address 0x14/0x15

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  • Time-to-Empty Registers (TTEL/TTEH) — Address 0x16/0x17

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  • Time-to-Full Registers (TTFL/TTFH) — Address 0x18/0x19

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  • Standby Current Registers (SIL/SIH) — Address 0x1A/0x1B

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  • Standby Time-to-Empty Registers (STTEL/STTEH) — Address 0x1C/0x1D

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  • Compensated End-of-Discharge Registers (CEDVL/CEDVH) – Address 0x20/0x21

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  • Time-to-Empty at Constant Power Registers (TTECPL/TTECPH) – Address 0x26/0x27

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  • Cycle Count Since Learning Cycle Registers (CYCLL/CYCLH) — Address 0x28/0x29

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  • Cycle Count Total Registers (CYCTL/CYCTH) — Address 0x2A/0x2B

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  • Compensated State-of-Charge (CSOC) — Address 0x2C

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  • Reserved Registers

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  • EEPROM Enable Register (EE_EN) — Address 0x6E

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  • EEPROM Data Registers (EE_DATA) — Address 0x76 — 0x7F

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  • Initial Last Measured Discharge High Byte (ILMD) — Address 0x76

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  • Scaled EDVF Threshold (SEDVF) — Address 0x77

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  • Scaled EDV1 Threshold (SEDV1) — Address 0x78

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  • Initial Standby Load Current and EDV1 Temperature Compensation (ISLC/EDVT) – Address 0x79

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  • Digital Magnitude Filter and Self-Discharge Values (DMFSD) — Address 0x7A

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  • Taper Current (TAPER) — Address 0x7B

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  • Pack Configuration (PKCFG) — Address 0x7C

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  • Gain Age Factor and EDV1 Discharge Rate Compensation (GAF/DEDV) – Address 0x7D

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  • Discharge Rate Compensation Coefficients (DCOMP) – Address 0x7E

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  • Temperature Compensation Coefficients (TCOMP) – Address 0x7F

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  • Power Modes

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  • Active Mode

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  • Sleep Mode

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  • Ship Mode (bq27010 only)

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  • Hibernate Mode

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  • Programming the EEPROM

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  • Communicating With the bq27010 (HDQ interface)

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  • Command byte

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  • Reading 16-bit Registers

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  • Communicating with the bq27210 (I2C interface - Product Preview)

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