BU4848G-TR

Supervisors Overview

The BU4848G-TR is a CMOS voltage detector manufactured by ROHM Semiconductor, designed for monitoring single-input power supply voltages. It operates within a supply voltage range of 0.7 V to 7 V and features a typical under-voltage detection threshold of 4.8 V with ±1% precision. The device utilizes an open-drain output type and lacks manual reset, watchdog timer, or battery backup switch functionalities. It is housed in an SSOP-5 surface-mount package and supports operation across a temperature range of -40°C to +125°C.

Supervisors Feature Summary

• CMOS technology ensures low power consumption suitable for battery-operated applications
• Open-drain output configuration allows flexible interfacing with various logic families
• Wide operating voltage range accommodates diverse system power requirements

Supervisors Applications

• Portable electronic devices requiring voltage supervision
• Battery-powered equipment needing under-voltage protection
• General-purpose microprocessor reset circuits

Supervisors Procurement Notes

Verify the specific ordering suffix and package variant against the official datasheet before procurement. Confirm that the component meets all environmental and electrical specifications required for the target application. Ensure compatibility with existing design constraints regarding package dimensions and pin configurations.

Supervisors Selection Notes

Select this component when a fixed 4.8 V detection threshold is required for single-channel voltage monitoring. Consider the open-drain output capability if level shifting or wired-OR connections are necessary. Evaluate the thermal performance and package size suitability for the intended PCB layout and operating environment.

Supervisors Part Context

This part belongs to the BU48xx series of standard voltage detectors from ROHM Semiconductor. These components are widely used for supervising power rails in consumer electronics and industrial control systems. The series offers various threshold voltages to suit different logic levels and power standards.

Supervisors Replacement Considerations

BD5248G-1TR is listed as a similar specification replacement with the same package.