BD5227FVE-TR

Overview

The BD5227FVE-TR is a CMOS voltage detector IC manufactured by Rohm Semiconductor, designed for supervisory circuit applications. It features an adjustable delay timer and an open-drain output with low-active reset state. The device monitors a single input channel with a typical under-voltage detection threshold of 2.7V and a precision of ±1%. It operates within a reset active voltage range of 0.95V to 10V and supports a supply voltage up to 10V. The component is housed in a VSOF-5 package (SOT-665) and functions across a temperature range of -40°C to 105°C.

Feature Summary

• Features an adjustable delay timer allowing external capacitor setting for customized reset timing.
• Provides an open-drain output configuration suitable for interfacing with various logic families.
• Delivers high-precision voltage detection with a tight tolerance around the threshold value.

Applications

• Microprocessor system reset circuits
• Portable equipment power management
• Battery-operated device supervision

Procurement Notes

This component has reached end-of-life status and is no longer in production. Procurement should focus on verifying the availability of recommended replacement parts such as the BD5227G-1TR or BD5227G-2CGTR. Ensure that any substitute components meet the required pinout compatibility and electrical specifications before finalizing sourcing decisions.

Selection Notes

Select this part for designs requiring precise voltage monitoring with flexible reset timing control. The adjustable delay feature allows optimization for specific system startup requirements. Verify that the open-drain output aligns with the target logic interface and that the operating temperature range covers the intended environmental conditions.

Part Context

The BD5227FVE-TR belongs to Rohm's voltage detector series, specifically engineered for reliable system supervision. It utilizes CMOS technology to achieve low current consumption while maintaining accuracy. The VSOF-5 package offers a compact footprint for space-constrained PCB layouts, supporting efficient integration into modern electronic devices.

Replacement Considerations

Officially documented substitutes include BD5227G-1TR and BD5227G-2CGTR. These alternatives offer similar functionality but may differ in package type or specific electrical characteristics. Confirm pinout compatibility and parameter alignment during transition.

FAQ

How is the reset delay time determined?

The reset delay time is adjustable and set by connecting an external capacitor to the designated pin.

What is the output configuration of this IC?

The IC provides an open-drain output with a low-active reset state.