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Product Detailed Parameters
- Description：IC OR CTRLR N+1 8DFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Type：N+1 ORing Controller
- FET Type：N-Channel
- Ratio - Input:Output：N:1
- Internal Switch(s)：No
- Delay Time - ON：-
- Delay Time - OFF：65 ns
- Current - Output (Max)：-
- Current - Supply：25 µA
- Voltage - Supply：3V ~ 20V
- Applications：N+1 Power Supplies, Telecom/Datacom Systems
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-VDFN Exposed Pad
- Supplier Device Package：8-DFN (3x3)
- Grade：-
- Qualification：-
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Overview
The ISL6146BFRZ-T is a low voltage OR-ing FET controller from the Renesas ISL6146 family, designed for N+1 redundancy and load sharing applications. It operates with supply voltages ranging from 3V to 20V and supports N-channel MOSFETs. The device features an integrated charge pump for gate drive, programmable undervoltage lockout, and a fault output pin. It is available in an 8-DFN (3x3) package and is rated for operation between -40°C and +125°C.
Feature Summary
- Integrated charge pump enables efficient driving of N-channel power MOSFETs without external bootstrap components.
- Programmable undervoltage lockout allows precise control over operating thresholds for system protection.
- Open-drain fault output provides immediate indication of conditional or FET faults within the power distribution path.
Applications
- N+1 redundant power distribution systems
- Telecommunications and datacom power supplies
- Uninterruptible power supplies (UPS)
- Low voltage processor and memory storage systems
Procurement Notes
Verify component authenticity through authorized channels due to end-of-life status. Confirm package marking and date codes against current production notices. Ensure compatibility with existing PCB footprints and thermal requirements before finalizing procurement decisions.
Selection Notes
Select this variant for designs requiring robust OR-ing control in low voltage environments. The 8-DFN package offers compact surface-mount integration. Consider the specific bias voltage requirements and fault detection needs when comparing against other ISL6146 family members.
Part Context
This component belongs to the ISL6146 series of OR-ing controllers manufactured by Renesas Electronics Corporation. It serves as a critical interface between power sources and loads, replacing traditional diodes to improve efficiency in high-current applications.
Replacement Considerations
Public confirmed substitute part numbers include ISL6146BFRZ and ISL6146EFRZ. Verify pinout compatibility and electrical specifications before substitution.
