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 ..
BQ27520YZFT-G1 ,System-Side Impedance Track(TM) Fuel Gauge with Integrated LDO 15-DSBGA -40 to 85FEATURESImpedance Track™ Technology123• Battery Fuel Gauge for 1-Series Li-Ion– Models the Battery ..
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
BQ27500YZGR-V130
System-Side Impedance Track?Fuel Gauge
Host System IC2
LDO
Battery
Low
Warning
bq27500
Battery
Good
Temp
Sense
Current
Sense
PACK–
Single-Cell Li-Ion
Battery Pack CHG
DSG
bq27500-V130
www.ti.com SLUS914A–OCTOBER 2009–REVISED DECEMBER 2009
System-Side Impedance Track Fuel Gauge
Checkfor Samples: bq27500-V130 INTRODUCTION
1.1 FEATURES 1.2 APPLICATIONS
1234• Battery Fuel Gauge for 1-Series Li-Ion • Smart Phones
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:
1.3 DESCRIPTION– 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 FLASH microcontroller firmware development. The bq27500
Battery Fuel Gauge Based on Patented resides on the system main board and manages an
Impedance Track™ Technology embedded battery (non-removable)ora removable
Models the Battery Discharge Curve for battery pack.
Accurate Time-to-Empty Predictions The bq27500 uses the patented Impedance Track
– Automatically Adjusts for Battery Aging, algorithm for fuel gauging, and provides information
Battery Self-Discharge, and such as remaining battery capacity (mAh),
Temperature/Rate Inefficienciesstate-of-charge (%), run-timeto empty (min.), battery
– Low-Value Sense Resistor (10 mΩor Less) voltage (mV), and temperature (°C).
•I2 C™ Interface for Connectionto System
Microcontroller Port Battery fuel gauging with the bq27500 requires only
12-Pin 2,5-mm× 4-mm SON Package PACK+ (P+), PACK– (P–), and Thermistor (T)
connections to a removable battery pack or
embedded battery.
TYPICAL APPLICATION
