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参数资料
型号： BQ27500DRZT-V120G4
厂商： TEXAS INSTRUMENTS INC
元件分类： 电源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
封装： 2.50 X 4 MM, PLASTIC, SON-12
文件页数： 12/42页
文件大小： 898K
代理商： BQ27500DRZT-V120G4
Contents
bq27500
bq27501
System-Side Impedance Track Fuel Gauge
SLUS785D – SEPTEMBER 2007 – REVISED APRIL 2008
www.ti.com
1
INTRODUCTION
.......................................... 1
4.1
DATA COMMANDS
.................................. 9
1.1
FEATURES
........................................... 1
4.2
DATA FLASH INTERFACE
......................... 16
1.2
APPLICATIONS
...................................... 1
4.3
MANUFACTURER INFORMATION BLOCKS
...... 17
1.3
DESCRIPTION
....................................... 1
4.4
ACCESS MODES
................................... 17
2
DEVICE INFORMATION
................................. 3
4.5
SEALING/UNSEALING DATA FLASH
.............. 17
2.1
AVAILABLE OPTIONS
............................... 3
4.6
DATA FLASH SUMMARY
........................... 18
2.2
PIN DIAGRAMS
...................................... 3
5
FUNCTIONAL DESCRIPTION
........................ 20
2.3
TERMINAL FUNCTIONS
............................. 3
5.1
FUEL GAUGING
.................................... 20
3
ELECTRICAL SPECIFICATIONS
...................... 4
5.2
IMPEDANCE TRACK VARIABLES
............... 20
3.1
ABSOLUTE MAXIMUM RATINGS
................... 4
5.3
DETAILED DESCRIPTION OF DEDICATED PINS
. 23
3.2
RECOMMENDED OPERATING CONDITIONS
...... 4
5.4
TEMPERATURE MEASUREMENT
................. 26
3.3
DISSIPATION RATINGS
............................. 5
5.5
OVERTEMPERATURE INDICATION
............... 26
5.6
CHARGING AND CHARGE-TERMINATION
3.4
POWER-ON RESET
.................................. 5
INDICATION
......................................... 26
3.5
INTERNAL TEMPERATURE SENSOR
CHARACTERISTICS
................................. 5
5.7
POWER MODES
.................................... 27
3.6
HIGH-FREQUENCY OSCILLATOR
.................. 5
5.8
POWER CONTROL
................................. 29
3.7
LOW-FREQUENCY OSCILLATOR
.................. 5
5.9
AUTOCALIBRATION
................................ 30
3.8
INTEGRATING ADC (COULOMB COUNTER)
6
APPLICATION-SPECIFIC INFORMATION
.......... 31
CHARACTERISTICS
................................. 6
6.1
BATTERY PROFILE STORAGE AND SELECTION 31
3.9
ADC (TEMPERATURE AND CELL
6.2
APPLICATION-SPECIFIC FLOW AND CONTROL
. 31
MEASUREMENT) CHARACTERISTICS
............. 6
7
COMMUNICATIONS
3.10
DATA FLASH MEMORY CHARACTERISTICS
...... 6
............................................................. 33
3.11
I2C-COMPATIBLE INTERFACE COMMUNICATION
7.1
I2C INTERFACE
..................................... 33
TIMING CHARACTERISTICS
........................ 6
8
REFERENCE SCHEMATICS
.......................... 34
4
GENERAL DESCRIPTION
.............................. 8
8.1
SCHEMATIC
........................................ 34
2
Contents
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BQ27500-V120 制造商:TI 制造商全称:Texas Instruments 功能描述:System-Side Impedance Track? Fuel Gauge
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