Datenbogen (BQ27505EVM)Inhaltsverzeichnis1 INTRODUCTION11.1 FEATURES11.2 APPLICATIONS11.3 DESCRIPTION1Table of Contents22 DEVICE INFORMATION32.1 AVAILABLE OPTIONS32.2 DISSIPATION RATINGS32.3 PIN ASSIGNMENT43 ELECTRICAL SPECIFICATIONS53.1 ABSOLUTE MAXIMUM RATINGS53.2 RECOMMENDED OPERATING CONDITIONS53.3 POWER-ON RESET63.4 INTERNAL TEMPERATURE SENSOR CHARACTERISTICS63.5 HIGH-FREQUENCY OSCILLATOR63.6 LOW-FREQUENCY OSCILLATOR63.7 INTEGRATING ADC (COULOMB COUNTER) CHARACTERISTICS63.8 ADC (TEMPERATURE AND CELL MEASUREMENT) CHARACTERISTICS73.9 DATA FLASH MEMORY CHARACTERISTICS73.10 I2C-COMPATIBLE INTERFACE COMMUNICATION TIMING CHARACTERISTICS84 GENERAL DESCRIPTION94.1 DATA COMMANDS104.1.1 STANDARD DATA COMMANDS104.1.1.1 Control( ): 0x00/0x01114.1.1.2 AtRate( ): 0x02/0x03144.1.1.3 AtRateTimeToEmpty( ): 0x04/0x05144.1.1.4 Temperature( ): 0x06/0x07144.1.1.5 Voltage( ): 0x08/0x09144.1.1.6 Flags( ): 0x0a/0x0b154.1.1.7 NominalAvailableCapacity( ): 0x0c/0x0d154.1.1.8 FullAvailableCapacity( ): 0x0e/0x0f154.1.1.9 RemainingCapacity( ): 0x10/0x11154.1.1.10 FullChargeCapacity( ): 0x12/13154.1.1.11 AverageCurrent( ): 0x14/0x15154.1.1.12 TimeToEmpty( ): 0x16/0x17154.1.1.13 TimeToFull( ): 0x18/0x19154.1.1.14 StandbyCurrent( ): 0x1a/0x1b164.1.1.15 StandbyTimeToEmpty( ): 0x1c/0x1d164.1.1.16 MaxLoadCurrent( ): 0x1e/0x1f164.1.1.17 MaxLoadTimeToEmpty( ): 0x20/0x21164.1.1.18 AvailableEnergy( ): 0x22/0x23164.1.1.19 AveragePower( ): 0x24/0x25164.1.1.20 TimeToEmptyAtConstantPower( ): 0x26/0x27164.1.1.21 StateofHealth( ): 0x28/0x29174.1.1.22 StateOfCharge( ): 0x2c/0x2d174.1.1.23 NormalizedImpedanceCal( ): 0x2e/0x2f174.1.1.24 InstaneousCurrent Reading( ) 0x30/0x31174.1.2 EXTENDED DATA COMMANDS174.1.2.1 DesignCapacity( ): 0x3c/0x3d184.1.2.2 DataFlashClass( ): 0x3e184.1.2.3 DataFlashBlock( ): 0x3f184.1.2.4 BlockData( ): 0x40…0x5f184.1.2.5 BlockDataChecksum( ): 0x60184.1.2.6 BlockDataControl( ): 0x61184.1.2.7 DeviceNameLength( ): 0x62194.1.2.8 DeviceName( ): 0x63…0x69194.1.2.9 ApplicationStatus( ): 0x6a194.1.2.10 Reserved — 0x6b–0x7f194.2 DATA FLASH INTERFACE194.2.1 ACCESSING THE DATA FLASH194.3 MANUFACTURER INFORMATION BLOCKS204.4 ACCESS MODES214.5 SEALING/UNSEALING DATA FLASH214.6 DATA FLASH SUMMARY215 FUNCTIONAL DESCRIPTION235.1 FUEL GAUGING235.2 IMPEDANCE TRACK™ VARIABLES245.2.1 Load Mode245.2.2 Load Select245.2.3 Reserve Cap-mAh255.2.4 Reserve Cap-mWh255.2.5 Dsg Current Threshold255.2.6 Chg Current Threshold255.2.7 Quit Current, DSG Relax Time, CHG Relax Time, and Quit Relax Time255.2.8 Qmax 0 and Qmax 1265.2.9 Update Status 0 and Update Status 1265.2.10 Avg I Last Run265.2.11 Avg P Last Run265.2.12 Delta Voltage265.2.13 Default Ra and Ra Tables265.3 DETAILED PIN DESCRIPTION265.3.1 The Operation Configuration Register265.3.2 Pin Function Code Descriptions275.3.3 BAT_LOW Pin275.3.4 Power Path Control With the BAT_GD Pin285.3.5 Battery Detection Using the BI/TOUT Pin295.3.6 SOC_INT pin295.4 TEMPERATURE MEASUREMENT305.5 OVERTEMPERATURE INDICATION305.5.1 Overtemperature: Charge305.5.2 Overtemperature: Discharge305.6 CHARGING AND CHARGE-TERMINATION INDICATION305.6.1 Detecting Charge Termination305.6.2 Charge Inhibit305.7 POWER MODES315.7.1 BAT INSERT CHECK Mode315.7.2 NORMAL MODE315.7.3 SLEEP MODE315.7.4 SLEEP+ MODE325.7.5 HIBERNATE MODE325.8 POWER CONTROL325.8.1 WAKE-UP COMPARATOR325.8.2 FLASH UPDATES335.9 AUTOCALIBRATION336 APPLICATION-SPECIFIC INFORMATION336.1 BATTERY PROFILE STORAGE AND SELECTION336.1.1 Common Profile Aspects336.1.2 Activities Upon Pack Insertion346.1.2.1 First OCV and Impedance Measurement346.1.3 Reading Application Status346.2 APPLICATION-SPECIFIC FLOW AND CONTROL347 COMMUNICATIONSCOMMUNICATIONS Section357.1 I2C INTERFACE357.2 I2C Time Out367.3 I2C Command Waiting time367.4 PACKAGE INFORMATION367.4.1 Package Dimensions368 REFERENCE SCHEMATICS378.1 SCHEMATIC37Größe: 840 KBSeiten: 42Language: EnglishHandbuch öffnen