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bq26221
SLUS607 − MAY 2004
HIGHĆPERFORMANCE BATTERY MONITOR IC WITH COULOMB COUNTER, VOLTAGE AND, TEMPERATURE MEASUREMENT
FEATURES
D Communicates Directly With the Integrated
HDQ Engine in TI OMAP Processor
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 Compensation
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
BQ26221 Datasheet
