STMicroelectronics VNS14NV04

Overview

VNS14NV04 from STMicroelectronics is a monolithic VIPower™ M0 OMNIFET II fully autoprotected N-channel Power MOSFET in SO-8 package, featuring 35 mΩ R_DS(on), 12 A linear current limit, and 40 V drain-source clamp voltage. It replaces standard power MOSFETs in DC–50 kHz industrial load switching applications including motor control, solenoid drivers, and lighting ballasts.

For engineers reviewing the VNS14NV04 datasheet, VNS14NV04 pinout, VNS14NV04 application, or VNS14NV04 equivalent, this device offers integrated thermal shutdown, short-circuit protection, diagnostic feedback via input pin, and direct gate access for analog driving-critical for robust high-side switching in harsh environments.

Technical Context

The VNS14NV04 integrates a power MOSFET with on-die protection circuitry including linear current limiting (I_lim = 12 A), overtemperature shutdown (T_jsh = 150–200 °C), and bidirectional ESD protection (4 kV HBM, 16.5 kV output-only). Its input pin serves dual roles: gate drive interface and fault indicator sink (I_gf = 10–20 mA).

It operates as a high-side switch with internal clamp diode recovery (t_rr = 300 ns, Q_rr = 0.8 µC) and avalanche-rated energy handling (E_as = 400 mJ). The SO-8 package enables surface-mount integration while maintaining thermal resistance of R_thj-amb = 90 °C/W (standard FR4, 0.5 cm² copper).

Key Specifications

Pinout & Package

SO-8 package (ECOPACK® compliant, RoHS-compliant lead-free finish) with exposed drain pad for thermal enhancement. Pin 1 marked by notch or dot; pins arranged in two rows of four.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STSPIN250 and IPS1021H, the VNS14NV04 uniquely delivers 12 A linear current limiting, 40 V clamp, and 400 mJ avalanche energy in SO-8-making it the only option among the three qualified for demanding industrial DC motor and solenoid switching.

Availability

VNS14NV04 is available at Aetrix Electronics and suitable for industrial motor control, automotive solenoid actuation, and PLC output modules requiring stable component supply with full traceability and long-term lifecycle support.

Supply support for VNS14NV04 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 power applications.

The OMNIFET II product line delivers fully autoprotected high-side switches optimized for rugged DC–50 kHz load control in harsh environments-targeting industrial automation, transportation, and building infrastructure systems.

FAQ

What is the maximum continuous drain current for VNS14NV04 under typical PCB conditions?

The VNS14NV04 supports 12 A continuous drain current when mounted on a standard FR4 PCB with 0.5 cm² copper area and ambient temperature ≤50 °C. Derating applies above 50 °C per Figure 10 in the datasheet; at 70 °C ambient, max continuous current drops to ~8.5 A due to R_thj-amb = 90 °C/W and T_jmax = 150 °C.

Can VNS14NV04 be used as a low-side switch?

No-VNS14NV04 is designed exclusively as a high-side switch. Its internal architecture ties GND (pin 2) to source potential and routes all drain terminals (pins 3–8 + thermal pad) to the load side. Using it as a low-side switch would violate absolute maximum ratings and disable protection features.

How does the diagnostic feedback function during thermal shutdown?

When junction temperature exceeds T_jsh (150–200 °C), the device actively sinks 10–20 mA through the IN pin. If driven by a low-impedance source (e.g., MCU GPIO), this pulls the input voltage toward 0 V, signaling fault. If driven by high-impedance source, the IN pin voltage collapses naturally-no external pull-down required.

Is external clamping diode required when switching inductive loads?

No external clamping diode is required. The integrated 40–55 V drain-source clamp (V_CLAMP) and 400 mJ single-pulse avalanche energy rating allow safe demagnetization of inductive loads like solenoids and motors without external components-verified per Figures 29–32 in the datasheet.