ISL6146BFUZ-T

OR Controllers, Ideal Diodes Overview

The ISL6146BFUZ-T is a low voltage OR-ing FET controller manufactured by Renesas Electronics Corporation. It operates within a bias voltage range of 3V to 20V and withstands transient voltages up to 24V. The device features a response time for dead short conditions of less than 300 ns and a slow turn-off ramp voltage response time of less than 80 μs. It utilizes an adjustable reverse voltage threshold resistor, configurable between 40mV and 800mV. The component is housed in an MSOP-8 package with dimensions of 3.0 x 3.0 mm.

OR Controllers, Ideal Diodes Feature Summary

• Integrated internal charge pump designed to drive N-channel MOSFETs
• High-speed comparator architecture enabling rapid fault isolation
• User-programmable undervoltage lockout (UVLO) and overvoltage protection (OVP)
• Supports smooth switching transitions during power path management

OR Controllers, Ideal Diodes Applications

• N+1 Industrial and Telecom Power Distribution Systems
• Uninterruptible Power Supplies (UPS)
• Low Voltage Processor and Memory Storage Systems
• Datacom Systems

OR Controllers, Ideal Diodes Procurement Notes

Verify the specific suffix 'FUZ' confirms the MSOP-8 package type and tape-and-reel delivery format. Confirm that the 'B' variant designation aligns with the required enable logic and feature set compared to other ISL6146 family members. Ensure compatibility with the target PCB footprint and thermal requirements for the selected package.

OR Controllers, Ideal Diodes Selection Notes

Select this component when designing systems requiring precise load sharing and hot-swap capabilities for multiple power inputs. Consider the adjustable reverse current threshold for optimizing efficiency against backflow risks. Evaluate the operating temperature range and supply voltage limits to ensure compliance with the application's environmental and electrical constraints.

OR Controllers, Ideal Diodes Part Context

This part belongs to the ISL6146 family of OR-ing MOSFET controllers, which are engineered to manage parallel power sources. The family includes variants such as ISL6146AFUZ-T and ISL6146DFRZ, offering different pinouts and feature sets like conduction monitoring or separate enable pins. This specific model focuses on standard OR-ing control without advanced reporting features found in higher-tier variants.

OR Controllers, Ideal Diodes Replacement Considerations

Direct substitutes within the same series include ISL6146AFUZ-T and ISL6146DFRZ. Verify that alternative part numbers match the required package style and enable signal polarity. Cross-reference datasheets to confirm identical electrical characteristics and pinout configurations before implementation.