BQ32002 - 实时时钟 (RTC)

BQ32002是TI德州仪器公司的一款无产品，BQ32002是实时时钟 (RTC)，本站介绍了BQ32002的封装应用图解、特点和优点、功能等，并给出了与BQ32002相关的TI元器件型号供参考。

BQ32002 - 实时时钟 (RTC) - 无 - 实时时钟 - 德州仪器

产品描述

The BQ32002 device is a compatible replacement for industry standard real-time clocks.

The BQ32002 features an automatic backup supply with integrated trickle charger. The backup supply can be implemented using a capacitor or non-rechargeable battery. The BQ32002 has a programmable calibration adjustment from –63 ppm to +126 ppm. The BQ32002 registers include an OF (oscillator fail) flag indicating the status of the RTC oscillator, as well as a STOP bit that allows the host processor to disable the oscillator. The time registers are normally updated once per second, and all the registers are updated at the same time to prevent a timekeeping glitch. The BQ32002 includes automatic leap-year compensation.

产品特性

Automatic Switchover to Backup Supply
I2C InterfaceSupports Serial Clock up to 400kHz
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
APPLICATIONS
- General consumer electronics

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