STMicroelectronics VNS3NV04P-E

Overview

VNS3NV04P-E from STMicroelectronics is a monolithic OMNIFET II fully autoprotected Power MOSFET in SO-8 package, designed as a rugged replacement for standard N-channel Power MOSFETs in DC to 50 kHz switching applications. It features integrated linear current limitation (3.5 A typ.), thermal shutdown (170 °C typical), 40 V overvoltage clamp, 120 mΩ R_DS(on) at 5 V gate drive, and diagnostic feedback via the input pin for fault detection in automotive body control modules.

For engineers reviewing the VNS3NV04P-E datasheet, VNS3NV04P-E pinout, VNS3NV04P-E application, or VNS3NV04P-E equivalent, this device serves as a protected high-side/low-side switch with analog gate access, ESD-hardened I/O (4 kV HBM), and direct TTL-compatible drive-critical for industrial motor control, LED driver protection, and automotive load management where reliability under short-circuit or overtemperature conditions is mandatory.

Technical Context

The VNS3NV04P-E integrates VIPower® M0-3 technology to embed protection logic directly into the power stage: linear current limiting operates independently of input voltage and activates within 10 µs during overload, while thermal shutdown uses on-die junction sensing for fast response (150–200 °C trip range). Its internal overvoltage clamp is set at 45 V (typ.) with 100 mJ single-pulse avalanche energy rating.

It supports analog gate driving via direct access to the MOSFET gate terminal, enabling precise current regulation and PWM dimming control. The input pin sinks up to 20 mA diagnostic current (I_gf) during thermal fault, allowing simple open-collector status reporting without external circuitry.

Key Specifications

Pinout & Package

SO-8 package (ECOPACK® compliant, RoHS-compliant); exposed drain pad thermally connected to pins 1, 4, 5, and 8 for enhanced heat dissipation. Pin 1: DRAIN, Pin 2: DRAIN, Pin 3: DRAIN, Pin 4: DRAIN, Pin 5: INPUT, Pin 6: SOURCE, Pin 7: SOURCE, Pin 8: SOURCE.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar protected Power MOSFET applications.

Compared with STSPIN32F0B and BTS716G, the VNS3NV04P-E uniquely combines analog gate control, 3.5 A linear current limit with 10 µs response, and 20 mA fault sink capability in a single SO-8 package - making it optimal for applications requiring both precision analog regulation and autonomous fault handling without microcontroller intervention.

Availability

VNS3NV04P-E is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor starters, LED lighting systems, and smart fuse replacements requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for VNS3NV04P-E 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in automotive, industrial, and power management solutions with vertical manufacturing and broad IP portfolio.

The OMNIFET II product line delivers fully autoprotected Power MOSFETs for harsh-environment switching, targeting automotive load management, industrial actuators, and solid-state relay replacement where safety, reliability, and integration reduce system complexity.

FAQ

What is the maximum continuous drain current for VNS3NV04P-E under typical PCB conditions?

The device supports 3.5 A continuous drain current (I_lim) with thermal derating above 25 °C ambient. At T_c = 25 °C on a standard FR4 board with 50 mm² copper pour, its 8.3 W power dissipation allows sustained 3.5 A operation. Above 70 °C case temperature, current must be reduced per the derating curve in Figure 10 of the datasheet to avoid thermal shutdown activation.

Can VNS3NV04P-E be used in linear (analog) mode, and what design considerations apply?

Yes - Pin 5 provides direct access to the gate, enabling linear-mode operation for analog current regulation or dimming. Key considerations include limiting power dissipation to stay below 8.3 W, ensuring adequate heatsinking, and avoiding prolonged operation in the linear region where junction temperature may exceed 150 °C and trigger thermal shutdown.

How does the diagnostic feedback mechanism work during a thermal fault?

When junction temperature exceeds T_jsh (150–200 °C), the device sinks up to 20 mA (I_gf) through Pin 5. If driven by a low-impedance source (e.g., microcontroller GPIO with pull-up), this pulls Pin 5 voltage low, signaling fault. With high-impedance drive, Pin 5 falls to 0 V - still detectable as a logic-low event without affecting normal operation.

Is VNS3NV04P-E pin-compatible with other ST OMNIFET devices like VNN3NV04P-E?

No - VNN3NV04P-E uses SOT-223 package with 3 pins (DRAIN, INPUT, SOURCE), while VNS3NV04P-E uses SO-8 with 8 pins and internal drain/source paralleling. Electrical functionality is similar, but PCB layout, thermal design, and pin mapping are incompatible; redesign is required for substitution.