ISL6146AFRZ-T7A

Overview

The ISL6146AFRZ-T7A 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 supports N:1 channel configurations for power distribution systems. The device utilizes an 8-lead MSOP package with dimensions of 3.0 x 3.0 mm. Key electrical characteristics include a reverse voltage threshold that is resistor-adjustable between 40mV and 800mV, a dead short response time of less than 300 ns, and a slow turn-off response time to power supply transients of less than 80 μs.

Feature Summary

• Provides precise load sharing and redundancy in N+1 power architectures through active current balancing.
• Features fast transient protection mechanisms including rapid response to dead short conditions.
• Supports configurable reverse voltage thresholds via external resistors to optimize system efficiency.

Applications

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

Procurement Notes

Verify component authenticity and datasheet revision status due to end-of-life notifications associated with the ISL6146 family. Confirm package type matches design requirements as variants exist in DFN and MSOP formats. Check moisture sensitivity levels and storage conditions prior to assembly to ensure reliability during soldering processes.

Selection Notes

Select this component for applications requiring robust OR-ing control with adjustable reverse voltage thresholds. Ensure the operating temperature range meets environmental specifications. Compare pinout compatibility with existing designs when substituting other packages within the same product family.

Part Context

This part belongs to the ISL6146 series of low voltage OR-ing FET controllers designed for high-reliability power management. The series includes variants in different packages such as DFN and MSOP to accommodate various board space constraints while maintaining consistent functional performance across the family.

Replacement Considerations

Direct substitutes include ISL6146BFRZ and ISL6146DFRZ. Verify package compatibility as these alternatives may utilize DFN footprints instead of MSOP. Cross-reference datasheets for identical electrical parameters before implementation.

FAQ

How is the reverse voltage threshold configured?

The reverse voltage threshold is adjustable using external resistors, allowing configuration between 40mV and 800mV.

What is the response time for dead short conditions?

The device provides a dead short response time of less than 300 nanoseconds.