BD5357G-TR

Overview

The BD5357G-TR is a voltage detector from ROHM Semiconductor designed for monitoring power supply levels. It features a typical under-voltage detection threshold of 5.7V with a precision of ±1%. The device operates within a reset active voltage range of 0.95V to 10V and utilizes a CMOS output type. It incorporates an adjustable delay timer and maintains a low reset active state. The circuit current is specified at 0.85μA when the detection voltage is 4.8V. It is housed in an SSOP-5 package and supports an operating temperature range from -40°C to +105°C.

Feature Summary

• CMOS output interface providing digital reset signals
• Adjustable delay timer functionality for customized timing requirements
• Low circuit current consumption for energy-efficient operation
• Wide operating voltage range supporting various system architectures

Applications

• Power supply supervision in embedded systems
• Microcontroller reset circuitry
• Battery-powered device monitoring
• Industrial control system voltage tracking

Procurement Notes

Verify the specific ordering suffix and package variant against the official datasheet before procurement. Confirm that the component meets all required environmental and electrical specifications for the target application. Ensure compatibility with existing design constraints regarding pinout and thermal performance. Cross-reference part numbers to avoid substitution errors during manufacturing.

Selection Notes

Select this component based on its fixed 5.7V detection threshold and adjustable delay capabilities. Evaluate the CMOS output drive strength against load requirements. Consider the SSOP-5 package dimensions for PCB layout constraints. Assess the operating temperature range suitability for the intended environment. Compare circuit current consumption with other available options to optimize power efficiency.

Part Context

This component belongs to the BD53 series of voltage detectors manufactured by ROHM Semiconductor. These devices are engineered for reliable power management in compact electronic designs. The series offers various detection thresholds and package options to suit different application needs. The BD5357G-TR specifically targets applications requiring precise voltage monitoring with flexible timing control.

Replacement Considerations

BD5250G-1TR is listed as a similar level replacement with the same pinout and package configuration.