BQ27500DRZR-V120 ,System-Side Impedance Track? Fuel Gauge 12-SON -40 to 85FEATURES 1.2 APPLICATIONS• Battery Fuel Gauge for 1-Series Li-Ion• SmartphonesApplications• PDAs• R ..
BQ27500YZGR-V130 ,System-Side Impedance Track? Fuel Gauge 12-DSBGA -40 to 85FEATURES 1.2 APPLICATIONS1234• Battery Fuel Gauge for 1-Series Li-Ion• Smart PhonesApplications• PD ..
BQ27510DRZR ,System Side Impedance Track? Fuel Gauge with Integrated LDO 12-SON -40 to 85FEATURES APPLICATIONS• Smartphones23• Battery Fuel Gauge for 1-Series Li-IonApplications • PDAs• Re ..
BQ27510DRZR-G1 ,System-Side Impedance-Track Fuel Gauge With Direct Battery Connection 12-SON -40 to 85FEATURES APPLICATIONS• Smartphones23• Battery Fuel Gauge for 1-Series Li-IonApplications• PDAs• Dig ..
BQ27510DRZT ,System Side Impedance Track? Fuel Gauge with Integrated LDO 12-SON -40 to 85maximum ratings may cause permanent damage to the device. These are stress ratingsonly, and functio ..
BQ27520YZFR-G2 ,System-Side Impedance Track? Fuel Gauge with Integrated LDO 15-DSBGA -40 to 85FEATURES 1.2 APPLICATIONS123• Battery Fuel Gauge for 1-Series Li-Ion• SmartphonesApplications• PDAs ..
BUT11AF ,NPN Silicon TransistorApplicationsTO-220F11.Base 2.Collector 3.EmitterNPN Silicon TransistorAbsolute Maximum Rating ..
BUT11TU ,NPN Silicon TransistorApplicationsTO-22011.Base 2.Collector 3.EmitterNPN Silicon TransistorAbsolute Maximum Ratings ..
BUT12 ,NPN Silicon Transistor
BUT12 ,NPN Silicon Transistor
BUT12A ,NPN Silicon TransistorApplicationsTO-22011.Base 2.Collector 3.EmitterNPN Silicon TransistorAbsolute Maximum Ratings ..
BUT12A ,NPN Silicon Transistor
BQ27500DRZR-V120
System-Side Impedance Track? Fuel Gauge 12-SON -40 to 85
INTRODUCTION1.1 FEATURES 1.2 APPLICATIONS
1.3 DESCRIPTIONHost System
Power
Management
ControllerC2
LDO
Battery
Low
Warning
bq27500
Battery
Good
Voltage
Sense
Temp
Sense
Current
Sense
PACK–
PACK+
FETs CHG
DSG
Protection
bq27500-V120
System-Side Impedance Track™ Fuel Gaugewww.ti.com SLUS880 –OCTOBER 2008
Battery Fuel Gauge for 1-Series Li-Ion •
Smartphones
Applications •
PDAs•
Resides on System Main Board •
Digital Still and Video Cameras– Works with Embeddedor Removable •
Handheld TerminalsBattery Packs •
MP3or Multimedia Players•
Uses PACK+, PACK–, andT Battery Terminals Microcontroller Peripheral Provides: Accurate Battery Fuel Gauging Internal Temperature Sensor for System The Texas Instruments bq27500 system-side Li-Ion
Temperature Reporting battery fuel gaugeisa microcontroller peripheral that
– Battery Low Interrupt Warning provides fuel gauging for single-cell Li-Ion battery
– Battery Insertion Indicator packs. The device requires little system
– 96 Bytesof Non-Volatile Scratch-Pad microcontroller firmware development. The bq27500
FLASH resides on the system main board, and manages an•
Battery Fuel Gauge Based on Patented embedded battery (non-removable)ora removable
Impedance Track™ Technology battery pack.
– Models the Battery Discharge Curve forThe bq27500 uses the patented Impedance Track™
Accurate Time-to-Empty Predictionsalgorithm for fuel gauging, and provides information
– Automatically Adjusts for Battery Aging,such remaining battery capacity (mAh),
Battery Self-Discharge, and
Temperature/Rate Inefficiencies state-of-charge (%), run-timeto empty (min.), battery
voltage (mV), and temperature (°C).
– Low-Value Sense Resistor (10 mΩor Less)I2 C™ Interface for Connectionto System Battery fuel gauging with the bq27500 requires only
Microcontroller Port PACK+ (P+), PACK– (P–), and Thermistor (T)
12-Pin 2,5-mm×
4-mm SON Package connections to a removable battery pack or
embedded
TYPICAL APPLICATIONPleasebe aware thatan important notice concerning availability, standard warranty, and usein critical applicationsof Texas
