STMicroelectronics VNS1NV04P-E

Overview

VNS1NV04P-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–50 kHz switching applications. It features integrated linear current limitation (1.7 A typ), thermal shutdown (150–200 °C), 40 V drain-source clamp, 250 mΩ R_DS(on), and diagnostic feedback via the input pin.

For engineers reviewing the VNS1NV04P-E datasheet, VNS1NV04P-E pinout, VNS1NV04P-E application, or VNS1NV04P-E equivalent, this device is selected for high-reliability load switching where overcurrent, overtemperature, and inductive voltage transients must be autonomously managed without external protection circuitry.

Technical Context

The VNS1NV04P-E integrates gate drive control, linear current limiting, thermal sensing, and overvoltage clamping into a single VIPower M0-3 process die. Its input pin directly controls the internal MOSFET gate but draws only 100–150 µA during normal operation, enabling TTL-level compatibility.

Protection logic operates independently of input voltage: current limiting activates at ~1.7 A regardless of VIN; thermal shutdown triggers between 150–200 °C at the junction; fault feedback is delivered via sink current (10–20 mA) on the input pin when T_j exceeds threshold.

Key Specifications

Pinout & Package

SO-8 package with exposed drain pad for thermal performance; pins arranged per Figure 2 (top view) in STMicroelectronics Doc ID 15586 Rev 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STSPIN250, VNS1NV04P-E delivers autonomous fault handling without external sensing, while IPS1021H offers higher current capacity and lower input current - making it the optimal drop-in upgrade for legacy VNS1NV04P-E deployments needing improved thermal margin.

Availability

VNS1NV04P-E is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC outputs, smart HVAC systems, and medical device power stages requiring stable component supply across extended product lifecycles.

Supply support for VNS1NV04P-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 power management, analog, MEMS, and microcontroller technologies for industrial, automotive, and consumer markets.

VNS1NV04P-E belongs to the OMNIFET II family of autoprotected Power MOSFETs, engineered specifically for robust, maintenance-free load switching in harsh environments where reliability outweighs raw efficiency.

FAQ

Can VNS1NV04P-E be used as a high-side switch with 24 V supply?

Yes. The device supports V_DS up to 40 V clamped and operates reliably with 24 V nominal supplies. Its integrated clamp and thermal protection prevent failure during inductive turn-off transients common in solenoid and relay loads. Maximum continuous drain current remains limited to 1.7 A regardless of supply voltage.

Does VNS1NV04P-E require an external flyback diode?

No external flyback diode is required for basic inductive load protection due to its integrated 40 V drain-source clamp and 55 mJ avalanche energy rating. However, for loads generating >40 V transients or demanding ultra-low EMI, an external fast recovery diode may still be recommended for peak suppression beyond clamp capability.

How is thermal shutdown reset after activation?

Thermal shutdown resets automatically when junction temperature falls approximately 15 °C below the shutdown threshold (150–200 °C). No external reset signal is needed. During shutdown, the device stops conducting and sinks diagnostic current on the INPUT pin until temperature recovers, enabling passive thermal recovery in most board-level implementations.

What is the maximum safe switching frequency for VNS1NV04P-E?

The device is rated for DC to 50 kHz operation per STMicroelectronics documentation. At 50 kHz, switching losses must be evaluated using measured t_d(on)/t_r/t_d(off)/t_f values (70–200 ns / 170–500 ns / 350–1000 ns / 200–600 ns) and Q_i = 5 nC, ensuring average power dissipation stays within the SO-8 package's 8.3 W thermal limit at the target ambient temperature.