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

STMicroelectronics VN750

Name: VN750
Brand: STMicroelectronics
SKU: VN750
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VN750

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

Package:: Pentawatt-5 (Vertical, Bent and Staggered Leads)

Datasheet:: VN750.pdf

Description:: IC PWR DRVR N-CH 1:1 5PENTAWATT

Quantity:: RFQ Add To RFQ list

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Inventory:4,993

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Product details

Overview

VN750 from STMicroelectronics is a monolithic high-side power switch fabricated in VIPower® M0-3 technology, designed to drive grounded loads in automotive and industrial control systems. It features 60 mΩ R_DS(on), 6 A continuous output current, 36 V supply voltage rating, CMOS-compatible input, and integrated open-load detection in both on- and off-states. It is commonly used in body electronics for lamp and solenoid control.

For engineers reviewing the VN750 datasheet, VN750 pinout, VN750 application, or VN750 equivalent, key selection considerations include its active current limitation, thermal shutdown with automatic restart, reverse battery protection, undervoltage/overvoltage shutdown thresholds, and status pin diagnostics for real-time fault reporting.

Technical Context

The VN750 integrates a protected high-side MOSFET driver with embedded logic for load monitoring and fault management. Its internal architecture includes an active VCC clamp for low-energy spike suppression, a dedicated status pin with open-drain output for diagnostic signaling, and dual-mode open-load detection - using current-sense during on-state and voltage-threshold comparison (V_OL = 1.5–3.5 V) during off-state to detect output short-to-VCC.

Protection functions operate autonomously: undervoltage shutdown triggers at 3–5.5 V with 0.5 V hysteresis; overvoltage shutdown activates above 36 V; thermal shutdown engages at 150–200 °C with 135 °C reset and 7–15 °C hysteresis; and current limitation holds I_OUT to 6–15 A depending on V_CC. All protections feed into the status pin for system-level fault handling.

Key Specifications

Parameter	Value and Actual Design Meaning
R_DS(on)	60 mΩ typical at I_OUT = 2 A, T_j = 25°C - enables low conduction loss and minimal self-heating under nominal load.
I_OUT Continuous	6 A - supports medium-power actuators like fuel injectors, relays, and LED arrays without external heatsinking in SO-8.
V_CC Range	5.5–36 V - compatible with 12 V and 24 V automotive battery systems including cold-crank and load-dump transients.
Open-load Detection	On-state: 50–200 mA threshold; Off-state: 1.5–3.5 V threshold - enables reliable diagnostics for broken-wire or disconnected loads.
Shutdown Thresholds	Undervoltage: 3–5.5 V; Overvoltage: >36 V; Thermal: 150–200 °C - ensures safe operation across harsh vehicle electrical environments.
Status Pin Output	Open-drain, clamped to 6–8 V / -0.7 V - provides direct MCU interface for fault flagging without external level-shifting.
Turn-on/Off Delay	t_d(on) = 40 µs, t_d(off) = 30 µs (RL = 6.5 Ω) - supports fast switching for PWM-controlled resistive and inductive loads.

Pinout & Package

The VN750 is available in multiple packages: SO-8, PENTAWATT, P2PAK, and PPAK. The standard SO-8 variant uses a surface-mount plastic package with exposed pad for thermal enhancement. Pin assignments are identical across all variants per functional role.

Pin/Terminal	Circuit Role	Design Meaning
1 (INPUT)	Digital control input	CMOS-compatible (V_IL ≤ 1.25 V, V_IH ≥ 3.25 V); accepts 3.3 V or 5 V logic; includes 0.5 V hysteresis for noise immunity.
2 (GND)	Power ground reference	Ground pin with reverse-battery protection network; disconnecting GND forces automatic shutdown.
3 (OUTPUT)	High-side switched output	Drives load between OUTPUT and ground; features active clamp during inductive turn-off (V_demag = V_CC − 41 to −55 V).
4 (STATUS)	Fault diagnostic output	Open-drain status pin indicating overtemperature, overcurrent, open-load, or UV/OV conditions; sinks up to 1.6 mA.
5–8 (VCC)	Power supply input	Multiple VCC pins (SO-8: pins 5–8) reduce IR drop and improve transient robustness; includes internal clamp diode (V_F ≤ 0.6 V @ 1.3 A).

Key Features

Feature	Design Value
CMOS-compatible input	Supports direct interfacing with microcontrollers and FPGAs without level-shifting or pull-up resistors.
On- and off-state open-load detection	Enables full-cycle wire-break diagnostics - critical for ASIL-B compliant lighting and safety-critical actuation.
Shorted-load protection with current limiting	Autonomous 6–15 A current limit prevents damage during sustained shorts while maintaining status reporting.
Reverse battery protection	Integrated GND protection network eliminates need for external series diode or MOSFET in battery-reversal-prone applications.
Very low standby current	10–25 µA at V_CC = 13 V - meets automotive "always-on" module quiescent current requirements.

Applications

Automotive Lighting Control

Engine Management Actuators

Use Scenario: Controlling headlamp, fog lamp, or DRL modules in modern vehicle body control units (BCUs).

IC Role / Device Role / Timing Role: High-side switch providing precise ON/OFF control and real-time open-circuit feedback via STATUS pin.

Use Value: Eliminates need for discrete protection circuitry; enables compliance with UNECE R128 lamp monitoring requirements through built-in diagnostics.

Use Scenario: Driving fuel injectors, idle air control valves, or turbocharger wastegate solenoids in 12 V engine ECUs.

IC Role / Device Role / Timing Role: Robust high-side driver with fast 30–40 µs switching and inductive energy clamping during turn-off.

Use Value: Withstands repeated inductive kickback (up to 100–138 mJ) without external snubbers, reducing BOM count and PCB area.

Industrial Solenoid Control

Commercial HVAC Blower Systems

Use Scenario: Managing pneumatic or hydraulic solenoid valves in factory automation PLC I/O modules.

IC Role / Device Role / Timing Role: Fault-tolerant power switch with undervoltage lockout and thermal shutdown for unattended operation.

Use Value: Prevents latch-up during brown-out events; automatic restart after cooling avoids manual intervention in remote installations.

Use Scenario: Controlling multi-speed DC blower motors in rooftop HVAC units and commercial air handlers.

IC Role / Device Role / Timing Role: High-current (6 A) high-side driver supporting PWM dimming and open-load detection for motor stall sensing.

Use Value: Detects open windings or broken connections before thermal runaway occurs, improving system reliability and serviceability.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STVN751	Higher R_DS(on) (100 mΩ), same 6 A rating, identical pinout and protection set - optimized for cost-sensitive designs where thermal margin allows higher conduction loss.	Limited to lower-power solenoids and indicator lamps; not recommended for high-duty-cycle inductive loads due to reduced thermal efficiency.	Select when board space and BOM cost outweigh peak efficiency needs, and thermal design accommodates higher dissipation.
TPS27081A (TI)	Lower I_OUT (3.5 A), 36 V rating, no off-state open-load detection, different status signaling (push-pull vs open-drain).	Suitable for non-automotive consumer or industrial applications requiring basic high-side control without advanced diagnostics.	Choose only if diagnostic depth is secondary and system already uses TI ecosystem; requires redesign of status interface and fault-handling logic.

Compared with VN750, STVN751 trades conduction efficiency for cost in thermally relaxed layouts, while TPS27081A reduces diagnostic capability and current capacity - making VN750 the preferred choice for automotive-grade, fault-aware high-side switching where full diagnostic coverage and 6 A capability are mandatory.

Availability

VN750 is available at Aetrix Electronics and suitable for automotive lighting control, engine management actuation, and industrial solenoid driving requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for VN750 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 ICs with vertical manufacturing capabilities and AEC-Q100 qualification expertise.

The VN750 belongs to ST's VIPower® high-side driver family, engineered specifically for automotive body electronics and industrial control applications demanding integrated protection, diagnostics, and robustness against battery transients.

FAQ

What is the maximum inductive energy the VN750 can safely dissipate during turn-off?

The VN750 supports up to 100 mJ in SO-8 and 138 mJ in P2PAK/PPAK packages when switching a 1.8–2.46 mH inductor at 13.5 V with 9 A initial current and junction temperature starting at 150°C. This value is validated per ST's test conditions in Section 2.2 and assumes proper PCB copper area and mounting per thermal data tables.

Does the VN750 require an external pull-up resistor on the STATUS pin?

No - the STATUS pin is an open-drain output that must be externally pulled up (typically to V_CC or MCU I/O voltage) to generate a valid logic-high signal during normal operation. The internal structure does not include a pull-up; omission results in undefined or floating status reporting.

How does the VN750 detect an open load when the device is turned off?

In off-state, the VN750 monitors the OUTPUT pin voltage relative to GND. If OUTPUT rises above 1.5–3.5 V (indicating a short to V_CC or open circuit), the STATUS pin asserts low. This detection works independently of input state and relies on internal voltage comparators tied to the output node.

Can the VN750 be used in 24 V commercial truck applications?

Yes - its 36 V absolute maximum V_CC rating, 41 V clamp on V_CC, and validated performance across −40°C to +150°C junction temperature make it suitable for 24 V systems, including ISO 7637-2 pulse 5a/b load-dump transients when combined with appropriate external TVS protection per ST application note AN4743.

VN750 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: Pentawatt-5 (Vertical, Bent and Staggered Leads)

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):: 6A

Rds On (Typ):: 60mOhm (Max)

Input Type:: Non-Inverting

Features:: Auto Restart, Status Flag

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

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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: 5-PENTAWATT

VN750 FAQ

1.How can I place an order for VN750 through Aetrix?

Please submit a Request for Quotation (RFQ) for VN750 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 VN750 reliable?

The price and inventory of VN750 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VN750 is usually 5 days.

3.What payment methods are accepted for VN750?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VN750 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VN750?

VN750 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VN750 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 VN750?

For technical support, including VN750 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VN750 requirements.

6.How does Aetrix verify that VN750 is sourced from the original manufacturer or authorized distributors?

All VN750 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 VN750 meets industry standards.

7.What is the process for return or replacement of VN750?

All VN750 units undergo pre-shipment inspection (PSI). If there is an issue with VN750, 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 VN750 part is unused and in its original packaging.

Return procedure for VN750:

1.Submit a request within 90 days.

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

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