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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Power Distribution Switches, Load Drivers

STMicroelectronics VN800PT

Name: VN800PT
Brand: STMicroelectronics
SKU: VN800PT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VN800PT

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

Package:: TO-252-5, DPAK (4 Leads + Tab), TO-252AD

Datasheet:: VN800PT.pdf

Description:: IC PWR DRIVER N-CHANNEL 1:1 PPAK

Quantity:: RFQ Add To RFQ list

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Inventory:4,339

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Product details

Overview

VN800PT from STMicroelectronics is a monolithic high-side driver IC in VIPower M0-3 technology, designed to switch grounded loads in industrial control systems. It delivers 0.7 A continuous output current with 135 mΩ on-state resistance at 25°C, features active current limitation, thermal shutdown with automatic restart, and protection against loss of ground, under-voltage (4 V), and over-voltage (42 V) conditions.

For engineers reviewing the VN800PT datasheet, VN800PT pinout, VN800PT application, or VN800PT equivalent, this device is selected for robust load switching where diagnostic feedback (via STATUS pin), reverse-battery resilience, and IEC 1131-compliant programmable controller interfaces are required.

Technical Context

The VN800PT integrates a power DMOS output stage with CMOS-compatible input logic, internal voltage clamps on VCC for ISO 7637 transient immunity, and real-time diagnostics via an open-drain STATUS pin that signals fault conditions including over-temperature (>150°C), over-current, under-voltage, and over-voltage events.

Its protection architecture combines active current limiting (0.7–2 A, temperature-dependent), thermal shutdown with 15°C hysteresis, and ground-loss detection-triggering automatic turn-off when GND disconnects-ensuring fail-safe operation without external supervision in safety-critical industrial nodes.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Operating Range	5.5 V to 36 V - supports wide automotive/industrial supply rails with built-in 4 V under-voltage and 42 V over-voltage shutdown thresholds
R_DS(on)	135 mΩ (typ.) at I_OUT = 0.5 A, T_j = 25°C - enables low conduction loss and <1 W dissipation at full rated current
I_OUT Continuous	0.7 A - sustained output drive capability suitable for solenoids, relays, and LED arrays in PLC I/O modules
STATUS Pin Function	Open-drain diagnostic output - pulls low during faults (over-temp, over-current, UV/OV) with 0.5 V max drop at 1.6 mA sink
Thermal Shutdown Threshold	150°C (min), 200°C (max) - triggers automatic turn-off; reset occurs at 135°C hysteresis for reliable recovery
Turn-on/Off Delay	t_d(on) = 10 µs, t_d(off) = 40 µs (V_CC = 13 V, R_L = 48 Ω) - ensures deterministic timing for synchronized multi-channel control
Reverse Battery Protection	Supported via external GND-line network (resistor or diode) - prevents damage when battery polarity is inverted, per application schematic Fig.21

Pinout & Package

Package: PPAK (Power Package) - thermally enhanced surface-mount package with exposed drain pad for low R_thj-case (3°C/W), optimized for high-power density industrial PCB layouts.

Pin/Terminal	Circuit Role	Design Meaning
VCC	Power supply input	Clamped DC input (41 V abs max); supplies internal logic and gate drive; connects to external bulk capacitor
INPUT	Digital control input	CMOS-compatible (V_IL ≤ 1.25 V, V_IH ≥ 3.25 V); 0.5 V hysteresis prevents noise-induced toggling
GND	Power and signal reference	Ground return path for load current and logic; loss-of-ground detection disables output automatically
OUTPUT	High-side switched output	DMOS drain terminal; connects to load high-side; handles inductive kickback up to V_demag = V_CC − 47 V
STATUS	Fault diagnostic output	Open-drain status pin; sinks current during faults (over-temp, over-current, UV/OV); requires external pull-up

Key Features

Feature	Design Value
Integrated Current Limitation	0.7–2 A adjustable range (temperature-compensated) - eliminates need for external sense resistors and reduces BOM count
Loss-of-Ground Detection	Automatic output disable upon GND disconnection - prevents uncontrolled load activation in wiring fault scenarios
Low Standby Current	10 µA max (off-state, V_CC = 24 V) - minimizes system quiescent power in always-on industrial controllers
VCC Transient Clamping	Active clamp protects against ISO 7637-2 pulse 1/2a/3a spikes - enables direct connection to harsh 24 V vehicle/industrial buses
Diagnostic Status Feedback	Single-pin open-drain reporting of 4 distinct fault types - simplifies microcontroller GPIO usage and firmware error handling

Applications

Programmable Logic Controller (PLC) Output Module

Industrial Solenoid Driver

Use Scenario: Driving 24 V DC solenoid valves in modular I/O racks compliant with IEC 61131-2.

IC Role / Device Role / Timing Role: High-side switch with integrated diagnostics and overload protection; provides precise ON/OFF timing (10/40 µs delays) synchronized to PLC scan cycle.

Use Value: Eliminates discrete protection components, reduces PCB area by 30%, and enables real-time fault logging via STATUS pin without additional ADC or comparator circuitry.

Use Scenario: Controlling pneumatic actuators in factory automation machinery with frequent on/off cycling.

IC Role / Device Role / Timing Role: Robust load switch with active current limiting and thermal foldback; handles repetitive inductive energy dissipation (EMAX = 195 mJ in PPAK).

Use Value: Prevents coil burnout during short circuits and extends solenoid lifetime by limiting peak current to 2 A even at elevated junction temperatures.

Automotive Body Control Module (BCM)

Smart Power Distribution Unit

Use Scenario: Replacing mechanical relays in 12/24 V automotive BCMs for headlight, wiper, or HVAC fan control.

IC Role / Device Role / Timing Role: High-side driver with reverse-battery resilience (via DGND/RGND network) and ISO 7637-2 pulse immunity.

Use Value: Enables relayless design with 95% smaller footprint, reduced EMI, and built-in diagnostics for OBD-II compliance and predictive maintenance.

Use Scenario: Centralized power switching node in building management systems distributing 24 V DC to lighting, sensors, and actuators.

IC Role / Device Role / Timing Role: Fault-tolerant channel driver with automatic shutdown on ground loss or overvoltage - critical for distributed power integrity.

Use Value: Guarantees safe de-energization during wiring faults, avoids cascading failures, and supports remote fault identification via STATUS pin polling.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STVN800S	SO-8 package; higher R_thj-amb (93°C/W vs. 45°C/W for PPAK); same electrical specs	Better suited for low-power, space-constrained prototypes; lower thermal performance limits continuous current in dense layouts	Select when board-level thermal management is limited and peak load duration is short
Infineon BTS4140N	0.5 A rating; no STATUS pin; different fault reporting (current-sense analog output)	Lacks integrated diagnostic pin; requires external ADC and firmware interpretation for fault classification	Choose only if STATUS functionality is unnecessary and cost sensitivity outweighs diagnostic capability

Compared with VN800S and BTS4140N, the VN800PT uniquely combines PPAK's superior thermal performance (41.7 W power dissipation), integrated STATUS-based fault categorization, and loss-of-ground protection-making it optimal for high-reliability, high-density industrial power distribution where diagnostics and thermal headroom are non-negotiable.

Availability

VN800PT is available at Aetrix Electronics and suitable for industrial programmable controllers, solenoid valve drivers, and automotive body control modules requiring stable component supply across extended product lifecycles.

Supply support for VN800PT 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, automotive ICs, and industrial control solutions.

The VN800PT belongs to ST's VIPower™ high-side driver family, engineered specifically for rugged industrial and automotive applications demanding integrated protection, diagnostic feedback, and compliance with IEC 61131 and ISO 7637 standards.

FAQ

What is the maximum inductive load energy the VN800PT can safely demagnetize?

The VN800PT in PPAK package supports up to 195 mJ of demagnetization energy (L = 125 mH, V_CC = 13.5 V, I_L = 1.5 A, T_jstart = 150°C), as specified in Table 4. This value assumes proper PCB copper area (≥6 cm²) for thermal dissipation and accounts for internal V_demag clamping at V_CC − 47 V.

How does the loss-of-ground protection function in practice?

When the GND pin disconnects, the internal detection circuit senses the resulting voltage shift and forces the OUTPUT to turn OFF within microseconds. This behavior is verified in the truth table (Table 11) and requires no external components-unlike competitive drivers that rely on separate ground-monitoring ICs or resistor networks.

Can the STATUS pin drive an LED directly without a buffer?

Yes-the STATUS pin is rated to sink 1.6 mA with ≤0.5 V saturation voltage. A standard 5 mA LED can be driven using a 4.7 kΩ pull-up to 5 V, delivering ~1 mA through the LED while maintaining logic-low recognition by the MCU. No buffer is needed for basic visual indication.

Is the VN800PT qualified for automotive AEC-Q100 stress testing?

No-the VN800PT is not AEC-Q100 qualified. It is specified for industrial applications per IEC 61131 and operates across −40°C to +150°C junction temperature, but lacks the extended reliability validation (e.g., HTOL, TC, ESD) required for automotive grade. For automotive use, ST recommends the pin-compatible AEC-Q100 qualified VNQ7050AJ.

VN800PT Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: TO-252-5, DPAK (4 Leads + Tab), TO-252AD

Series:: VIPower™

Packaging:: Tube

Product Status:: Obsolete

Switch Type:: General Purpose

Number of Outputs:: 1

Ratio - Input:Output:: 1:1

Output Configuration:: High Side

Output Type:: N-Channel

Interface:: On/Off

Voltage - Load:: 5.5V ~ 36V

Voltage - Supply (Vcc/Vdd):: Not Required

Current - Output (Max):: 700mA

Rds On (Typ):: 135mOhm (Max)

Input Type:: Non-Inverting

Features:: Auto Restart, Status Flag

Fault Protection:: Current Limiting (Fixed), Over Temperature, Over Voltage

Operating Temperature:: -40°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PPAK

VN800PT FAQ

1.How can I place an order for VN800PT through Aetrix?

Please submit a Request for Quotation (RFQ) for VN800PT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for VN800PT reliable?

The price and inventory of VN800PT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VN800PT is usually 5 days.

3.What payment methods are accepted for VN800PT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VN800PT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VN800PT?

VN800PT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VN800PT order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for VN800PT?

For technical support, including VN800PT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VN800PT requirements.

6.How does Aetrix verify that VN800PT is sourced from the original manufacturer or authorized distributors?

All VN800PT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that VN800PT meets industry standards.

7.What is the process for return or replacement of VN800PT?

All VN800PT units undergo pre-shipment inspection (PSI). If there is an issue with VN800PT, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The VN800PT part is unused and in its original packaging.

Return procedure for VN800PT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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