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bq32000
SLUS900E – DECEMBER 2008 – REVISED AUGUST 2015
bq32000 Real-Time Clock (RTC)
1 Features
•1 Automatic Switchover to Backup Supply • I2C Interface Supports Serial Clock up to 400 kHz • Uses 32.768-kHz Crystal With –63-ppm to
+126-ppm Adjustment • Integrated Oscillator-Fail Detection • 8-Pin SOIC Package • –40°C to 85°C Ambient Operating Temperature
2 Applications
• General Consumer Electronics
3 Description
The bq32000 device is a compatible replacement for industry standard real-time clocks.
The bq32000 features an automatic backup supply with integrated trickle charger. The backup supply can be implemented using a capacitor or nonrechargeable battery.