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Product Detailed Parameters
- Description：IC OR CTRLR N+1 16TSSOP
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：N+1 ORing Controller
- FET Type：N-Channel
- Ratio - Input:Output：N:1
- Internal Switch(s)：No
- Delay Time - ON：1 ms
- Delay Time - OFF：250 ns
- Current - Output (Max)：-
- Current - Supply：5 mA
- Voltage - Supply：9V ~ 75V
- Applications：N+1 Power Supplies, Telecom/Datacom Systems
- Operating Temperature：-40°C ~ 105°C
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Grade：-
- Qualification：-
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Overview
The ISL6144IVZA-T7A is a high-voltage ORing FET controller manufactured by Renesas Electronics. It operates within a bias voltage range of 9V to 75V and supports transient voltages up to 100V. The device features an adjustable reverse voltage threshold ranging from 0V to 5.3V, set via an external resistor. Key timing specifications include a response time of less than 300ns and a dead short response time under 100μs. It is available in 16-pin TSSOP and 20-pin QFN packages.
Feature Summary
- High-voltage operation capability with bias support up to 75V
- Adjustable reverse voltage threshold for flexible configuration
- Fast response times ensuring rapid protection activation
- Integrated dead short detection for enhanced system safety
Applications
- High-voltage power distribution systems
- Redundant power supply architectures
- Load sharing applications requiring precise current balancing
Procurement Notes
Verify the specific package variant (TSSOP or QFN) required for your design, as the base part number may correspond to multiple physical footprints. Confirm that the supplier provides the -T7A tape-and-reel packaging option if automated assembly is planned. Ensure the selected component matches the high-voltage specifications necessary for your circuit's operating range.
Selection Notes
Select this controller when designing systems requiring robust protection against reverse current flow in high-voltage environments. The adjustable threshold allows customization for different load conditions. Consider the fast response characteristics for applications demanding immediate fault isolation. Evaluate the package options based on thermal management requirements and PCB space constraints.
Part Context
The ISL6144 belongs to Renesas' portfolio of ORing FET controllers, designed to manage power path switching efficiently. It complements other low-voltage variants like the ISL6146, offering specialized capabilities for higher voltage domains. This component is part of a broader family aimed at simplifying power management in complex electronic systems.
Replacement Considerations
The ISL6146 serves as a related alternative but targets low-voltage applications with a 3V-20V bias range. Verify voltage compatibility before substitution, as the ISL6144 is specifically rated for high-voltage scenarios up to 75V. Package differences between TSSOP and QFN variants must also be considered during replacement planning.
