BD5344G-TR

Overview

The BD5344G-TR is a voltage detector with an adjustable delay time, manufactured by ROHM Semiconductor. It features a typical under-voltage detection voltage of 4.4V and a reset active voltage range of 0.95 to 10V. The device offers high VDET precision of ±1% and utilizes a CMOS output type. It operates within a temperature range of -40°C to 105°C. The circuit current is specified at 0.85μA when the detection voltage is set to 4.8V. The package is SSOP5, and it includes a manual reset function absence and no watchdog timer.

Feature Summary

• Adjustable delay timer functionality for customized reset timing
• High precision voltage detection with ±1% accuracy
• CMOS output interface for digital logic compatibility
• Wide operating temperature range suitable for industrial applications

Applications

• Microprocessor system supervision
• Battery-powered device monitoring
• Industrial control circuit protection
• Consumer electronics power management

Procurement Notes

Verify the specific ordering suffix and packaging configuration before procurement. Confirm that the component status aligns with project requirements, as this part may be designated for existing customers only. Ensure compatibility with the target PCB footprint and soldering process. Check for any recent updates to the datasheet regarding electrical characteristics or environmental compliance standards.

Selection Notes

Consider the BD5244G-1 as a potential replacement if pinout and package compatibility are required. Evaluate the adjustable delay feature against fixed-delay alternatives to ensure design flexibility. Assess the CMOS output drive capability against load requirements. Verify the operating voltage range matches the system's supply rails. Review thermal performance specifications for the intended application environment.

Part Context

The BD5344G-TR belongs to ROHM's voltage detector family, designed for supervisory circuits in electronic systems. It provides reliable under-voltage detection with programmable delay times. The component is housed in a compact SSOP5 package, suitable for space-constrained designs. It supports various applications requiring precise power monitoring and controlled reset sequences.

Replacement Considerations

The BD5244G-1 is listed as a similar level replacement with the same pinout and package. Verify functional equivalence and electrical parameters before substitution.