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Product Detailed Parameters
- Description：3-V TO 65-V BACK-TO-BACK NFET ID
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：N+1 ORing Controller
- FET Type：N-Channel
- Ratio - Input:Output：1:01
- Internal Switch(s)：No
- Delay Time - ON：850 ns
- Delay Time - OFF：500 ns
- Current - Output (Max)：2.6A
- Current - Supply：413 µA
- Voltage - Supply：3V ~ 65V
- Applications：General Purpose
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：12-WFDFN Exposed Pad
- Supplier Device Package：12-WSON (3x3)
- Grade：-
- Qualification：-
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Overview
The LM74810MDRRR is an automotive-grade ideal diode controller manufactured by Texas Instruments, designed for professional power management applications. It operates within a temperature range of -40°C to +125°C and utilizes a 12-SON package. The device functions as an active rectification controller intended to drive external back-to-back N-channel MOSFETs (B2B NFETs). This configuration enables low-loss power path management in automotive systems by emulating the behavior of an ideal diode with minimal voltage drop.
Feature Summary
- Active rectification control for driving external B2B NFETs
- Automotive qualification compliant with AEC-Q100 standards
- Extended industrial temperature operation capability
Applications
- Automotive power distribution networks
- Battery backup switching circuits
- Redundant power supply systems
Procurement Notes
Verify the specific suffix 'MDRRR' against the official Texas Instruments datasheet to confirm package type and tape-and-reel specifications. Ensure the component meets the required AEC-Q100 grade for your target automotive application. Cross-reference the manufacturer part number with authorized distributors to confirm current availability and authenticity before procurement.
Selection Notes
Select this controller when designing power paths requiring low forward voltage drop using external high-current MOSFETs rather than integrated solutions. Consider the 12-SON package constraints for PCB layout and thermal dissipation. Evaluate the gate drive requirements of the external B2B NFETs to ensure compatibility with the controller's output capabilities and switching frequency characteristics.
Part Context
This component belongs to the LM74810 family of ideal diode controllers from Texas Instruments. These devices are specialized PMICs aimed at replacing standard Schottky diodes or synchronous rectifiers in high-efficiency automotive power architectures. The family focuses on minimizing conduction losses through precise control of external pass elements.
Replacement Considerations
Consult the official datasheet for direct pin-compatible alternatives within the LM74810 series. Verify that any substitute maintains the same 12-SON footprint and electrical interface for B2B NFET driving.
