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BQ32000DRTIN/a200avaiSerial RTC with Battery Backup and Trickle Charge 8-SOIC -40 to 85


BQ32000DR ,Serial RTC with Battery Backup and Trickle Charge 8-SOIC -40 to 85features an automatic backup supply• Uses 32.768-kHz Crystal With –63-ppm towith integrated trickle ..
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BUZ102S ,N-Channel SIPMOS Power TransistorFeaturesDrain source voltage 55 VVDS• N channelDrain-Source on-state resistance 0.018R Ω• Enhanceme ..


BQ32000DR
Serial RTC with Battery Backup and Trickle Charge
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bq32000

SLUS900E –DECEMBER 2008–REVISED AUGUST 2015
bq32000 Real-Time Clock (RTC) Features 3 Description

The bq32000 deviceisa compatible replacement Automatic Switchoverto Backup Supply industry standard real-time clocks.•I2C Interface Supports Serial Clockupto 400 kHz
The bq32000 features an automatic backup• Uses 32.768-kHz Crystal With –63-ppmto with integrated trickle charger. The backup+126-ppm Adjustment can be implemented usinga capacitor• Integrated Oscillator-Fail Detection rechargeable battery. The bq32000 8-Pin SOIC Package programmable calibration adjustment from +126 ppm. The bq32000 registers include• –40°Cto 85°C Ambient Operating Temperature (oscillator fail) flag indicating the status
oscillator,as wellasa STOPbit that allows2 Applications processorto disable the oscillator. The time General Consumer Electronics are normally updated once per second,
registers are updatedat the same timeto
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