Diodes Incorporated DMNH4006SPSQ-13

Overview

DMNH4006SPSQ from Diodes Incorporated is an AEC-Q101-qualified 40V N-channel MOSFET in PowerDI5060-8 package, rated for 110A continuous drain current at TC = +25°C, with RDS(ON) of 4.5 mΩ (typ) at VGS = 10V and 175°C junction temperature rating. It serves as a high-current power switch in automotive engine management and DC-DC converters.

For engineers reviewing the DMNH4006SPSQ datasheet, DMNH4006SPSQ pinout, DMNH4006SPSQ application, or DMNH4006SPSQ equivalent, key selection criteria include its 1.1°C/W RθJC thermal resistance, 50.9 nC total gate charge, 100% unclamped inductive switching capability, and low-profile 1.1 mm max height - critical for thermally constrained automotive power stages.

Technical Context

This MOSFET employs a trench-gate silicon process optimized for low RDS(ON) and fast switching in high-temperature automotive environments. Its body diode exhibits 31.6 ns reverse recovery time and 27.6 nC QRR under IF = 50A / di/dt = 100A/μs conditions, enabling efficient synchronous rectification in buck converters.

The device features a robust gate oxide with ±20V VGSS rating and 2.4V typical VGS(TH), supporting reliable turn-on with standard 3.3V or 5V logic-level gate drivers. Its SOA curve supports 180A pulsed drain current at 10μs pulse width with 1% duty cycle under infinite heatsink assumptions.

Key Specifications

Pinout & Package

Package: PowerDI5060-8 - surface-mount, 8-terminal, dual-side cooling package with 1.1 mm maximum profile and matte tin annealed copper leadframe. UL 94V-0 molded plastic housing, moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel MOSFET applications.

Compared with IXTN120N10L2 and STL220N4F7AG, DMNH4006SPSQ uniquely combines AEC-Q101 qualification, 1.1°C/W R_θJC, and 1.1 mm profile - making it the only option validated for volume production in thermally dense, safety-critical automotive power stages.

Availability

DMNH4006SPSQ is available at Aetrix Electronics and suitable for engine management systems, body control modules, and automotive DC-DC converters requiring stable component supply across multi-year vehicle production cycles.

Supply support for DMNH4006SPSQ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.

This MOSFET belongs to Diodes' Automotive Power Solutions product line, engineered specifically for high-reliability, high-temperature switching in engine control units, ADAS subsystems, and electrified powertrain architectures.

FAQ

What is the maximum allowable gate-source voltage for DMNH4006SPSQ?

The absolute maximum gate-source voltage is ±20V, as specified in the datasheet's Maximum Ratings table. Exceeding this value risks permanent gate oxide damage. For reliable operation, gate drive should be clamped to ≤15V during transients and maintained between 4.5V and 10V for full enhancement, given its 2.4V typical threshold voltage.

Does DMNH4006SPSQ require a gate resistor for automotive PWM applications?

Yes - a series gate resistor (typically 3.5Ω to 10Ω) is required to dampen ringing caused by parasitic inductance and limit peak gate current. The datasheet's switching time test condition uses RG = 3.5Ω, and omitting it may cause overshoot exceeding ±20V or oscillatory turn-on behavior in high-di/dt environments like fuel injector drivers.

Can DMNH4006SPSQ be used in synchronous rectification without external Schottky diodes?

Yes - its body diode has characterized reverse recovery parameters (t_rr = 31.6 ns, Q_RR = 27.6 nC) and is rated for 100A continuous forward current, enabling direct use as a synchronous rectifier in buck converters. However, dead-time must be precisely controlled to avoid shoot-through, especially at high frequencies (>100 kHz).

How does the PowerDI5060-8 package enable thermal performance in confined automotive spaces?

The PowerDI5060-8 uses dual-side thermal paths: the four drain terminals conduct heat directly into the PCB ground plane, while the exposed copper pad beneath the die provides a low-resistance path to an external heatsink. This achieves 1.1°C/W R_θJC, allowing >3W dissipation when both sides are actively cooled - critical for under-hood modules with <10mm vertical clearance.