STMicroelectronics VNS14NV04PTR-E

Overview

VNS14NV04PTR-E from STMicroelectronics is a monolithic VIPower™ M0-based protected Power MOSFET in SO-8 package, functioning as a smart high-side switch with integrated linear current limiting (12 A typ.), thermal shutdown (150–200 °C), and 40 V overvoltage clamp. It replaces standard MOSFETs in DC–50 kHz load switching applications such as automotive body control modules and industrial solenoid drivers.

For engineers reviewing the VNS14NV04PTR-E datasheet, VNS14NV04PTR-E pinout, VNS14NV04PTR-E application, or VNS14NV04PTR-E equivalent, this page delivers verified electrical specs, fault feedback behavior, SO-8 terminal mapping, and real-world use cases for robust high-side power switching design.

Technical Context

The device integrates gate driver, protection logic, and power stage on a single die using ST's VIPower™ M0 process. Its input pin directly controls the internal MOSFET gate while sourcing only 100–150 µA during normal operation, enabling TTL-level compatibility without external level-shifting.

Protection is fully autonomous: overcurrent triggers linear current limiting independent of input voltage; overtemperature shutdown activates at junction temperatures ≥150 °C and resets autonomously at ~135 °C; and the 40 V clamp limits drain-source voltage during inductive flyback, supported by 400 mJ single-pulse avalanche energy rating.

Key Specifications

Pinout & Package

Delivered in standard SO-8 package (ECOPACK® compliant, 5.0 × 6.2 mm footprint, 1.27 mm pitch), with four DRAIN pins internally paralleled for low thermal resistance (R_thj-case max = 27 °C/W) and enhanced current handling.

Key Features

Applications

Equivalent & Alternatives

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

Compared with VNS14NV04PTR-E, STSPIN250 offers lower conduction loss at low current but sacrifices protection depth and analog control; VND5E025AKTR-E scales current capacity while retaining core VIPower protection, yet adds complexity for full fault visibility.

Availability

VNS14NV04PTR-E is available at Aetrix Electronics and suitable for automotive body electronics, industrial actuator control, smart lighting systems, and appliance motor starting requiring stable component supply and long-term production continuity.

Supply support for VNS14NV04PTR-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, designing and manufacturing silicon solutions for automotive, industrial, and consumer markets since 1987.

The VNS14NV04PTR-E belongs to ST's OMNIFET II family of protected high-side switches, engineered specifically for robust DC load control in harsh environments where reliability, self-protection, and minimal external components are essential.

FAQ

Can VNS14NV04PTR-E be used as a low-side switch?

No. The device is designed exclusively as a high-side switch with SOURCE tied to system ground and DRAIN connected to the load. Its protection circuitry, current sensing, and diagnostic feedback rely on this topology. Attempting low-side configuration disables fault detection and violates absolute maximum ratings for the INPUT pin.

What is the minimum input series impedance required for stable operation?

The datasheet specifies R_IN(MIN) = 10 Ω. This value ensures proper gate drive strength and prevents oscillation during switching transitions. Using lower impedance may cause excessive dI/dt and induce parasitic ringing; higher values slow turn-on and increase power dissipation during linear mode operation.

How does the device indicate a thermal shutdown event?

During overtemperature fault, the device sinks 10–20 mA (I_gf) through the INPUT pin. If driven by a low-impedance source, this pulls the input voltage toward 0 V, signaling fault to the controller. If the driver cannot sink this current, the INPUT pin voltage collapses - a detectable logic-low state usable for system-level fault logging.

Is external clamping diode required when driving inductive loads?

No. The integrated 40 V overvoltage clamp (V_CLAMP) actively limits drain-source voltage during inductive flyback, eliminating the need for external freewheeling diodes in most 12 V applications. However, for loads exceeding 400 mJ single-pulse avalanche energy, supplemental clamping remains advisable.