STMicroelectronics VNN1NV04PTR-E

Overview

VNN1NV04PTR-E from STMicroelectronics is a monolithic OMNIFET II fully autoprotected high-side Power MOSFET in SOT-223 package, designed for DC–50 kHz switching in industrial and automotive load control. It features 250 mΩ max R_DS(on), 1.7 A typical current limitation, 40 V drain-source clamp voltage, integrated thermal shutdown, and diagnostic feedback via the input pin - enabling robust replacement of standard discrete MOSFETs in harsh environments such as motor drivers and solenoid controls.

For engineers reviewing the VNN1NV04PTR-E datasheet, VNN1NV04PTR-E pinout, VNN1NV04PTR-E application, or VNN1NV04PTR-E equivalent, this device delivers verified linear current limiting, overvoltage clamping, and fault-sensing capability without external protection components - critical for reliable high-side switching in 12 V/24 V systems with inductive loads.

Technical Context

The VNN1NV04PTR-E integrates a VIPower M0-3 process Power MOSFET with on-chip gate driver, linear current limiter, overtemperature sensor, and bidirectional input clamp. Its internal architecture enables direct TTL-compatible driving while maintaining analog gate access for precise current control.

Protection logic operates independently of input drive: overvoltage clamp activates at ~45 V (typ), thermal shutdown triggers between 150–200 °C (T_jsh), and current limit remains stable across temperature (±15% variation from –40 to 150 °C). Fault detection is implemented via sink current (10–20 mA) on the input pin during thermal shutdown.

Key Specifications

Pinout & Package

SOT-223 package with exposed drain pad for thermal enhancement; 3-pin configuration optimized for high-side switch mounting on FR4 PCBs with ≥50 mm² copper pour.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-side protected switch applications.

Compared with VNN1NV04PTR-E, IPS1021R offers superior current handling in SO-8 but sacrifices compactness and thermal efficiency on small PCBs, while VNN3NV04PTR-E maintains SOT-223 compatibility at the cost of higher on-resistance and stricter thermal design requirements.

Availability

VNN1NV04PTR-E is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart power outlets, and PLC digital output modules requiring stable component supply and long-term production continuity.

Supply support for VNN1NV04PTR-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, specializing in power management, automotive ICs, and industrial microcontrollers.

This device belongs to the OMNIFET II family - engineered specifically for ruggedized high-side switching in 12 V/24 V systems where reliability under overload, inductive transients, and temperature extremes is non-negotiable.

FAQ

Is VNN1NV04PTR-E compatible with 3.3 V logic microcontrollers?

Yes - its input threshold voltage ranges from 0.5 V (min) to 2.5 V (typ), ensuring reliable turn-on with 3.3 V GPIO. However, a minimum 330 Ω series resistor is required to limit fault-sink current during thermal shutdown and prevent MCU port damage.

What is the maximum continuous drain current at 85 °C ambient?

At T_A = 85 °C on a standard FR4 board with 50 mm² copper, derating per Figure 11 yields ~1.1 A continuous I_D. This accounts for R_thj-amb = 70 °C/W and T_jmax = 150 °C, confirming safe operation below thermal limit with no heatsink.

Can the input pin be used for PWM dimming or analog current control?

Yes - the device supports analog gate driving: varying V_IN from 2.5 V to 5 V modulates R_DS(on) and enables linear current regulation. However, duty-cycle-based PWM is preferred for efficiency, as linear mode increases power dissipation significantly above 0.5 A.

Does VNN1NV04PTR-E require an external flyback diode when driving inductive loads?

No - the integrated clamp diode and 45 V clamp voltage protect against inductive kickback up to 55 mJ. However, for loads exceeding this energy (e.g., large solenoids), an external TVS or RC snubber is recommended to extend safe operating area.