ISL6146BFRZ-TS2378

OR Controllers, Ideal Diodes Overview

The ISL6146BFRZ-TS2378 is an N+1 ORing controller designed for high-efficiency power distribution. It operates within a bias voltage range of 3V to 20V and withstands transient voltages up to 24V. The device features a dead short response time of less than 300 ns and a slow turn-off response to power supply loss of less than 80 μs. It utilizes an adjustable reverse voltage threshold resistor ranging from 40mV to 800mV. The component is housed in an 8-VDFN package with exposed pad, measuring 3.0 x 3.0 x 0.90 mm.

OR Controllers, Ideal Diodes Feature Summary

• Implements N+1 ORing control logic to replace traditional diodes for improved efficiency in high-current applications.
• Provides rapid protection against dead shorts with sub-300 nanosecond response times.
• Features adjustable reverse voltage threshold settings via external resistors for customizable current sharing.

OR Controllers, Ideal Diodes Applications

• Bedside monitor power supplies
• Portable POS terminals
• N+1 industrial and telecom power distribution systems

OR Controllers, Ideal Diodes Procurement Notes

Verify the obsolete status and Last Time Buy availability through official Renesas channels or authorized distributors. Confirm that the specific suffix TS2378 aligns with required packaging or labeling specifications. Ensure compliance with end-of-life management protocols given the discontinuation notice dated February 10, 2026.

OR Controllers, Ideal Diodes Selection Notes

Select this controller when replacing Schottky diodes in parallel power paths to minimize conduction losses. Consider the 3V–20V operating range and 8-DFN package constraints. Evaluate the need for adjustable current sharing thresholds and fast transient response capabilities suitable for sensitive load environments.

OR Controllers, Ideal Diodes Part Context

This part belongs to the ISL6146 series of OR controllers manufactured by Renesas Electronics. It serves as a specialized PMIC solution for ideal diode emulation, enabling redundant power architectures. The series supports various packages including DFN and MSOP options for different board space requirements.

OR Controllers, Ideal Diodes Replacement Considerations

Direct substitute part numbers include ISL6146DFRZ, ISL6146BFRZ-TK, ISL6146AFUZ-T, and ISL6146AFUZ-TK. Verify pin compatibility and package dimensions before substitution due to potential differences in lead count or thermal pad configurations.