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bq2019 ADVANCED BATTERY MONITOR IC
SLUS465E – DECEMBER 1999 – REVISED FEBRUARY 2003
D Multifunction Monitoring IC Designed to
Work With an Intelligent Host Controller – Provides State-of-Charge Information for
Rechargeable Batteries – Enhances Charge Termination
D Ideal for Single-Cell Li-Ion or 3-Cell NiMH
Applications
D High-Accuracy Coulometric Charge and
Discharge Current Integration With Offset Calibration
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
description
D Multifunction Digital Output Port D High-Accuracy Internal Timebase
Eliminates External Crystal Oscillator
D Low Power Consumption
– Operating: <80 µA – Sleep: <1.
BQ2019 Datasheet
