BU4832G-TR

Supervisors Overview

The BU4832G-TR is a CMOS voltage detector manufactured by ROHM Semiconductor, designed for supervisory circuit applications. It features a fixed detection threshold voltage of 3.2 V with an accuracy of ±1%. The device operates within a supply voltage range of 0.7 V to 7 V and consumes a typical operating current of 550 nA. It utilizes an open-drain output type without manual reset or watchdog timer functions. The component is housed in an SSOP-5 package and supports an extended operating temperature range from -40°C to +125°C.

Supervisors Feature Summary

• CMOS technology ensures low power consumption suitable for battery-operated systems
• Fixed 3.2 V detection threshold provides precise under-voltage monitoring
• Open-drain output allows flexible interfacing with various logic families
• Extended industrial temperature range supports harsh environment operation

Supervisors Applications

• Portable electronic devices requiring low standby current
• Microprocessor system reset circuits
• Battery-powered equipment voltage supervision
• Industrial control system power monitoring

Supervisors Procurement Notes

Verify the NRND status before procurement as this component is not recommended for new designs. Confirm availability through authorized distributors as stock may be limited. Ensure the SSOP-5 package variant matches your PCB footprint requirements. Check RoHS compliance documentation for regulatory adherence. Validate that the 3.2 V threshold aligns with your specific application needs.

Supervisors Selection Notes

Select this component when a fixed 3.2 V threshold is required for under-voltage detection. Consider the open-drain output configuration for compatibility with existing logic levels. Evaluate the 550 nA current consumption against system power budgets. Verify that the SSOP-5 package fits the available board space. Assess the extended temperature range suitability for the intended operating environment.

Supervisors Part Context

The BU4832G-TR belongs to the BU4830 series of CMOS voltage detectors from ROHM Semiconductor. This series offers various fixed threshold voltages for different supply rail monitoring needs. The part is categorized under PMIC - Power Management ICs and serves as a critical component for ensuring system stability during power fluctuations.

Supervisors Replacement Considerations

The BD5232G-1TR is documented as a replacement with the same SSOP-5 package. Note differences in delay timer capabilities and output current specifications between the two parts.