Manuale UtenteSommario1 INTRODUCTION11.1 FEATURES11.2 APPLICATIONS11.3 DESCRIPTION1Table of Contents22 DEVICE INFORMATION32.1 AVAILABLE OPTIONS32.2 PIN DIAGRAMS32.3 TERMINAL FUNCTIONS33 ELECTRICAL SPECIFICATIONS43.1 ABSOLUTE MAXIMUM RATINGS43.2 RECOMMENDED OPERATING CONDITIONS43.3 POWER-ON RESET43.4 INTERNAL TEMPERATURE SENSOR CHARACTERISTICS53.5 HIGH FREQUENCY OSCILLATOR53.6 LOW FREQUENCY OSCILLATOR53.7 INTEGRATING ADC (COULOMB COUNTER) CHARACTERISTICS53.8 ADC (TEMPERATURE AND CELL MEASUREMENT) CHARACTERISTICS53.9 DATA FLASH MEMORY CHARACTERISTICS63.10 I2C-COMPATIBLE INTERFACE COMMUNICATION TIMING CHARACTERISTICS64 GENERAL DESCRIPTION84.1 DATA COMMANDS94.1.1 STANDARD DATA COMMANDS94.1.2 EXTENDED DATA COMMANDS144.2 DATA FLASH INTERFACE164.2.1 ACCESSING THE DATA FLASH164.3 MANUFACTURER INFORMATION BLOCKS174.4 ACCESS MODES174.5 SEALING/UNSEALING DATA FLASH174.6 DATA FLASH SUMMARY185 FUNCTIONAL DESCRIPTION205.1 FUEL GAUGING205.2 IMPEDANCE TRACK VARIABLES215.3 DETAILED DESCRIPTION OF DEDICATED PINS235.3.1 The Operation Configuration Register235.3.2 Pin Function Code Descriptions235.3.3 BAT_LOW Pin235.3.4 Power Path Control with the BAT_GD Pin235.3.5 Battery Detection Using the BI/TOUT Pin245.4 TEMPERATURE MEASUREMENT265.5 OVERTEMPERATURE INDICATION265.5.1 Overtemperature: Charge265.5.2 Overtemperature: Discharge265.6 CHARGING AND CHARGE-TERMINATION INDICATION265.6.1 Detecting Charge Termination265.6.2 Charge Inhibit265.7 POWER MODES275.7.1 NORMAL MODE275.7.2 SLEEP MODE275.7.3 BAT INSERT CHECK MODE275.7.4 HIBERNATE MODE285.8 POWER CONTROL295.8.1 RESET FUNCTIONS295.8.2 WAKE-UP COMPARATOR305.8.3 FLASH UPDATES305.9 AUTOCALIBRATION306 APPLICATION-SPECIFIC INFORMATION316.1 BATTERY PROFILE STORAGE AND SELECTION316.1.1 General Profile Description316.1.2 Activities Upon Pack Insertion316.2 APPLICATION-SPECIFIC FLOW AND CONTROL316.2.1 Simple Battery (bq27500 Only)316.2.2 Battery With Resistor ID (bq27501 Only)327 COMMUNICATIONS337.1 I2C INTERFACE338 REFERENCE SCHEMATICS348.1 SCHEMATIC34Dimensioni: 777 KBPagine: 39Language: EnglishApri il manuale