BQ4287MT Real-Time Clock Module: Essential Component for PLC Industrial Automation Systems

BQ4287MT Real-Time Clock Module: Essential Component for PLC Industrial Automation Systems

Pre-shipment Inspection Record: This document details the visual and technical inspection of the BQ4287MT Real-Time Clock Module: Essential Component for PLC Industrial Automation Systems. All product photos and testing videos below are original materials captured first-hand by the Koeed technical team in our warehouse prior to dispatch.

BQ4287MT Real-Time Clock Module: Essential Component for PLC Industrial Automation Systems

Professional-grade timing solution for industrial control applications

Product Overview

The BQ4287MT is a high-performance Real-Time Clock (RTC) module manufactured by Texas Instruments, specifically designed for industrial automation and PLC applications. This integrated circuit provides precise timekeeping capabilities with non-volatile memory control, making it an essential component in modern industrial control systems where accurate timing and data retention are critical.

BQ4287MT IC chip front view BQ4287MT IC chip side view BQ4287MT IC chip close-up BQ4287MT IC chip packaging

Key Features and Benefits

  • Real-Time Clock with NVRAM Control: Combines precise timekeeping with non-volatile memory for data retention during power loss
  • Low Power CMOS Design: Energy-efficient operation suitable for battery-backed applications
  • Wide Input Frequency Range: Supports frequencies up to 30MHz for flexible system integration
  • Spread Spectrum Clock Generation: Reduces electromagnetic interference (EMI) for improved system reliability
  • Battery Backup Switching: Seamless transition between main power and backup battery
  • Industrial Temperature Range: Operates reliably in harsh industrial environments

Technical Specifications

Parameter Specification Description
Manufacturer Texas Instruments Industry-leading semiconductor manufacturer
Part Number BQ4287MT-SB2 Specific variant with DIP-20 packaging
Supply Voltage 4.5V - 5.5V Standard 5V operation range
Operating Temperature 0°C to +70°C Commercial temperature range
Memory Configuration 114 x 8 bits Non-volatile RAM for data storage
Clock Format hh:mm:ss 24-hour time format
Date Format DD:MM:YYYY European date format standard
Package Type DIP-20 Dual In-line Package, 20 pins

Applications in PLC Industrial Automation

The BQ4287MT finds extensive applications in Programmable Logic Controller (PLC) systems and industrial automation:

Process Control Systems

In manufacturing and process control, the BQ4287MT provides accurate time stamps for production logs, batch tracking, and quality control records. Its non-volatile memory ensures critical timing data is preserved during power interruptions.

Data Logging and Monitoring

Industrial monitoring systems utilize the BQ4287MT's precise timing capabilities to timestamp sensor readings, alarm events, and system status changes, enabling comprehensive data analysis and troubleshooting.

Scheduled Operations

PLC systems use the real-time clock functionality to schedule maintenance routines, production cycles, and automated processes based on specific time intervals or calendar events.

Energy Management

In smart grid and energy management applications, the BQ4287MT helps coordinate power distribution, peak load management, and time-of-use billing systems.

Frequently Asked Questions (FAQ)

What is the primary function of the BQ4287MT in PLC systems?
The BQ4287MT serves as a Real-Time Clock module with non-volatile memory control, providing accurate timekeeping and data retention capabilities essential for timestamping events, scheduling operations, and maintaining system logs in industrial automation environments.
How does the battery backup feature work?
The BQ4287MT includes built-in battery backup switching circuitry that automatically detects power loss and switches to backup battery power, ensuring continuous operation of the real-time clock and preservation of non-volatile memory contents.
What is the significance of the spread spectrum clock feature?
The spread spectrum clock generation reduces electromagnetic interference (EMI) by slightly varying the clock frequency, which helps meet regulatory compliance requirements and improves overall system reliability in sensitive industrial environments.
Can the BQ4287MT be used in harsh industrial environments?
Yes, the BQ4287MT is designed for industrial applications with its robust CMOS design and specified operating temperature range. However, for extreme environments, additional protection measures may be necessary.
Where can I purchase genuine BQ4287MT components?
Genuine BQ4287MT-SB2 IC chips are available through authorized distributors. For reliable sourcing, visit: https://koeed.com/products/new-5pcs-bq4287mt-sb2-dip-20-ic for authentic components in DIP-20 packaging.

Technical References and Trust Metrics

The BQ4287MT is manufactured by Texas Instruments, a globally recognized leader in semiconductor technology with over 90 years of industry experience. Texas Instruments components are known for their reliability, quality, and extensive documentation support.

Industry Standards Compliance:

  • ISO 9001:2015 Quality Management System certified manufacturing
  • RoHS compliant for environmental safety
  • Industrial-grade reliability testing

Documentation Availability:

  • Complete datasheets available from Texas Instruments
  • Application notes for industrial implementations
  • Reference designs for PLC integration
Source: Texas Instruments BQ4287MT Datasheet, AllDatasheet.com, Mouser Electronics

Integration Considerations for PLC Systems

When integrating the BQ4287MT into PLC systems, consider the following:

Power Supply Requirements

Ensure stable 5V power supply with proper decoupling capacitors near the IC. The 4.5V to 5.5V operating range provides flexibility but requires clean power for optimal performance.

Backup Battery Selection

Select appropriate backup batteries based on expected power outage durations and environmental conditions. Lithium coin cells are commonly used for long-term backup.

PCB Layout Guidelines

Follow recommended PCB layout practices for clock circuits, including proper grounding, signal routing, and EMI reduction techniques to ensure reliable operation.

Software Implementation

Develop robust driver software for reading/writing time data, handling leap years, and managing non-volatile memory operations with error checking.

Purchase BQ4287MT-SB2 IC Chips

Available in 5-piece packs for industrial automation projects

Conclusion

The BQ4287MT Real-Time Clock module represents a critical component in modern PLC and industrial automation systems. Its combination of precise timekeeping, non-volatile memory control, and industrial-grade reliability makes it an essential choice for applications requiring accurate timestamping, data retention, and scheduled operations. With Texas Instruments' proven track record in semiconductor manufacturing and comprehensive documentation support, the BQ4287MT provides a robust solution for industrial timing requirements.

For engineers and system integrators working on PLC projects, having access to genuine BQ4287MT components is crucial for system reliability. Source your components from trusted suppliers like https://koeed.com/products/new-5pcs-bq4287mt-sb2-dip-20-ic to ensure quality and performance in your industrial automation applications.

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