STMicroelectronics VNS1NV04PTR-E

Overview

VNS1NV04PTR-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 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 reliable load control in automotive body electronics and industrial I/O modules.

For engineers reviewing the VNS1NV04PTR-E datasheet, VNS1NV04PTR-E pinout, VNS1NV04PTR-E application, or VNS1NV04PTR-E equivalent, this device is evaluated for high-reliability low-side switching where linear current limiting, overtemperature fault signaling, and avalanche energy handling (55 mJ) are critical selection criteria.

Technical Context

The VNS1NV04PTR-E integrates a VIPower M0-3 process Power MOSFET with on-die protection circuitry including a linear current limiter, overvoltage clamp (40–55 V), and thermal shutdown (150–200 °C). Its input pin directly drives the internal gate but draws only 100–150 µA supply current during normal operation.

Fault detection is implemented via sink current (10–20 mA) at the input pin when junction temperature exceeds T_jsh, enabling simple microcontroller-based diagnostics without external sensors. The device operates up to 50 kHz with controlled switching times (t_d(on) = 70–200 ns, t_f = 200–600 ns) under R_GEN = 330 Ω drive conditions.

Key Specifications

Pinout & Package

SO-8 package (8-pin, surface-mount, exposed drain pad) with thermal performance optimized for PCB copper area ≥ 50 mm². Pin 1 is INPUT; pins 2–4 and 6–8 are DRAIN (internally connected); pin 5 is SOURCE.

Key Features

Applications

Equivalent & Alternatives

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

Compared with VNS1NV04PTR-E, STP16NF06L demands full external protection implementation, while VNS3NV04PTR-E offers plug-compatible current scaling - making the latter the preferred alternative for load-upgrade scenarios without redesign.

Availability

VNS1NV04PTR-E is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC outputs, LED lighting drivers, and appliance motor control requiring stable component supply across extended production lifecycles.

Supply support for VNS1NV04PTR-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 capabilities.

VNS1NV04PTR-E belongs to the OMNIFET II family of autoprotected Power MOSFETs, engineered specifically for high-reliability DC–50 kHz switching in harsh environments where fault resilience and diagnostic capability are mandatory.

FAQ

What is the maximum continuous drain current for VNS1NV04PTR-E?

The device does not specify a fixed continuous I_D rating due to its thermal-limited operation. Under typical PCB conditions (50 mm² copper), it delivers ~1.7 A continuously before triggering thermal shutdown. Actual current depends on ambient temperature, heatsinking, and duty cycle - design must respect the 8.3 W total dissipation limit at T_c = 25 °C and derate per Figure 11.

Can VNS1NV04PTR-E be used in high-frequency PWM applications above 50 kHz?

No - the datasheet explicitly limits operation to DC–50 kHz. Above this frequency, thermal accumulation from switching losses (t_d(on)/t_f ~200 ns) and reduced time for heat dissipation exceed safe operating area boundaries, risking premature thermal shutdown or junction damage even below peak current limits.

How is fault condition signaled, and what drive capability is required from the controller?

During thermal fault, the device sinks 10–20 mA through the INPUT pin. A standard MCU GPIO (capable of sinking ≥20 mA) can detect this as a logic-low signal. If the controller cannot sink this current, the input pin falls to 0 V - which does not impair device functionality but disables active drive until fault clears and restarts.

Is the exposed drain pad electrically isolated, and how should it be connected on the PCB?

No - the exposed pad is internally connected to all DRAIN pins (2,3,4,6,7,8) and must be soldered to a large copper pour tied to the load's high-side rail. This pad is the primary thermal path; insufficient copper area (<50 mm²) degrades R_thj-amb from 65 °C/W to >100 °C/W, severely limiting power handling and reliability.