Overview
The BQ4802LYDWRG4 is a highly integrated real-time clock (RTC) module produced by Texas Instruments. Designed for precision timekeeping, this component is widely used in applications requiring accurate time and date tracking. It is particularly suited for industrial, automotive, and consumer electronics due to its reliability and advanced features. The BQ4802LYDWRG4 stands out for its low power consumption, robust performance, and ease of integration, making it a competitive choice in the RTC market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7 to 3.7 | V | Operating range |
| Timekeeping Current | 1.5 | µA | Typical at 3V |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Package | SOIC-28 | - | Surface mount |
| Interface | I2C | - | Communication protocol |
Key Features
- Integrated crystal oscillator for accurate timekeeping.
- Battery backup support for uninterrupted operation during power loss.
- Programmable alarms and periodic interrupts.
- Low power consumption for extended battery life.
- Industrial temperature range for harsh environments.
Applications
The BQ4802LYDWRG4 is ideal for use in a variety of applications, including:
- Industrial Automation: Precise time tracking for machinery and processes.
- Automotive Electronics: Dashboard clocks and event logging.
- Consumer Electronics: Smart home devices and wearable technology.
- Medical Devices: Timestamping for patient monitoring systems.
Q & A
1. What is the operating voltage range of the BQ4802LYDWRG4?
The operating voltage range is 2.7V to 3.7V.
2. Does the BQ4802LYDWRG4 support battery backup?
Yes, it supports battery backup for uninterrupted operation.
3. What is the typical timekeeping current?
The typical timekeeping current is 1.5µA at 3V.
4. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
5. What communication interface does it use?
It uses the I2C communication interface.
6. Is the BQ4802LYDWRG4 suitable for industrial applications?
Yes, it is designed for industrial applications with its wide temperature range.
7. Can it be used in automotive electronics?
Yes, it is suitable for automotive electronics such as dashboard clocks.
8. Does it have programmable alarms?
Yes, it features programmable alarms and periodic interrupts.
9. What package does the BQ4802LYDWRG4 come in?
It comes in an SOIC-28 surface mount package.
10. Is the BQ4802LYDWRG4 low power?
Yes, it is designed for low power consumption to extend battery life.
