BQ26220
BQ26220 is High-Performance Battery Monitor manufactured by Texas Instruments.
SLUS521B
- AUGUST 2002
- REVISED FEBRUARY 2004
HIGHĆPERFORMANCE BATTERY MONITOR IC WITH COULOMB COUNTER, VOLTAGE AND, TEMPERATURE MEASUREMENT
Features
D Multifunction Monitoring Integrated Circuit
Designed to Work With an Intelligent Host Controller :
- Provides State of Charge Information for
Rechargeable Batteries
- Provides Accurate Battery Voltage and
Temperature Measurement
D High Accuracy Coulometric Charge and
Discharge Current Integration With Automatic Offset pensation
D 11-Bit Analog-to-Digital Converter Reports
Battery Voltage With Gain and Offset Correction
D Differential Current Sense D 32 Bytes of General Purpose RAM D 96 Bytes of Flash (Including 32 Bytes of
Shadow Flash)
D 8 Bytes of ID ROM D Internal Temperature Sensor Eliminates the
Need for an External Thermistor
D Programmable Digital Input/Output Port D High-Accuracy Internal Timebase Eliminates
External Crystal Oscillator
D Low Power Consumption:
- Operating : 30 µA
- Sleep: 1 µA
- Hibernate: 600 n A
D Single-Wire HDQ Serial Interface D Packaging: 8-LEAD TSSOP
RBI VCC VSS HDQ
PW PACKAGE (TOP VIEW)
GPIO SRP SRN BAT
DESCRIPTION...