BQ32000DR

The BQ32000DR is a real-time clock (RTC) IC with an integrated trickle charger, ideal for applications requiring accurate timekeeping and date information.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VDD: Positive Power Supply
• GND: Ground Connection
• VBACK: Backup Voltage Input
• XT1: Crystal Connection 1
• XT2: Crystal Connection 2
• SCL: Serial Clock Line
• SDA: Serial Data Line
• NC: No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ32000DR IC for a visual representation.

Key Features

• Integrated RTC: The BQ32000DR features a real-time clock with a built-in oscillator for accurate timekeeping.
• Trickle Charger: Includes an integrated trickle charger for backup power, ensuring continuous operation in the absence of the main power supply.
• Serial Interface: Utilizes a serial interface (I2C) for communication with microcontrollers or other devices.
• Low Power Consumption: Consumes minimal power, suitable for battery-powered applications.
• Automatic Switchover: Automatically switches between main and backup power sources for seamless operation.

Note: For detailed technical specifications, please refer to the BQ32000DR datasheet.

Application

• Embedded Systems: Ideal for use in embedded systems requiring accurate timekeeping functionality.
• Consumer Electronics: Suitable for various consumer electronic devices such as digital clocks, smart appliances, and wearables.
• Medical Devices: Used in medical devices where precise timing is crucial for monitoring and control.

Functionality

The BQ32000DR integrates a real-time clock with a trickle charger, providing accurate timekeeping and backup power functionality. It offers reliable performance in a wide range of applications.

Usage Guide

• Power Supply: Connect VDD (Pin 1) to the positive power supply and GND (Pin 2) to ground.
• Backup Power: Provide backup voltage to VBACK (Pin 3) for maintaining timekeeping functionality during power loss.
• Crystal Connections: Connect XT1 (Pin 4) and XT2 (Pin 5) to an external crystal for clock generation.
• Communication: Use the SCL (Pin 6) and SDA (Pin 7) pins for serial communication with other devices.

Frequently Asked Questions

Q: Can the BQ32000DR operate with different crystal frequencies?
A: Yes, the BQ32000DR supports various crystal frequencies, allowing flexibility in design.

Q: Is the BQ32000DR compatible with 3.3V microcontrollers?
A: Yes, the BQ32000DR can interface with both 3.3V and 5V microcontrollers through its serial interface.