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

STMicroelectronics VN7040AS-E

Name: VN7040AS-E
Brand: STMicroelectronics
SKU: VN7040AS-E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VN7040AS-E

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

Package:: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: VN7040AS-E.pdf

Description:: IC PWR DRIVER N-CHAN 1:1 8SOIC

Quantity:: RFQ Add To RFQ list

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Inventory:2,432

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Product details

Overview

VN7040AS-E from STMicroelectronics is a single-channel smart high-side power switch based on VIPower® M0-7 technology, designed for 12 V automotive grounded loads with CMOS-compatible 3 V/5 V control inputs. It delivers 34 A current limiting, 40 mΩ typical on-state resistance, and integrated MultiSense analog feedback for load current, VCC, and chip temperature - deployed in PowerSSO-16 package for engine control modules and body electronics.

For engineers reviewing the VN7040AS-E datasheet, VN7040AS-E pinout, VN7040AS-E application, or VN7040AS-E equivalent, key selection criteria include its configurable latch-off fault recovery, OFF-state open-load detection, reverse battery protection support, and multiplexed diagnostic output requiring external sense resistor configuration.

Technical Context

The VN7040AS-E implements a high-side driver architecture with active thermal management via self-limiting fast transients and configurable overtemperature latch-off triggered by the FaultRST pin. Its MultiSense function uses time-multiplexed current-mode output to deliver proportional signals for three diagnostics: load current (via external Rsense), supply voltage, and junction temperature.

Protection logic includes undervoltage shutdown below 4 V, overvoltage clamp at 40 V transient, loss-of-ground/VCC detection, and short-to-VCC sensing. The S_EN pin enables or disables OFF-state diagnostics, supporting low-power module operation and shared sense resistor topologies across multiple channels.

Key Specifications

Parameter	Value and Actual Design Meaning
Operating Voltage Range	4 V to 28 V - supports full automotive battery range including cold-crank and load-dump conditions
Max Transient Supply Voltage	40 V - clamps transients without external TVS, enabling robust under-hood deployment
Typ. On-State Resistance	40 mΩ - limits conduction loss to ≤1.36 W at 18 A, reducing thermal stress in PowerSSO-16 package
Current Limitation (typ)	34 A - provides controlled overload handling without immediate shutdown, sustaining brief inrush events
Stand-by Current (max)	0.5 µA - enables always-on modules (e.g., door modules) without measurable battery drain
Thermal Resistance (j-amb)	39 °C/W - defines maximum power dissipation of ~1.28 W before thermal shutdown at 85°C ambient

Availability

VN7040AS-E is available at Aetrix Electronics and suitable for automotive body control modules, engine management systems, and lighting control units requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.

Supply support for VN7040AS-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, designing and manufacturing microcontrollers, power ICs, sensors, and automotive-grade analog devices with focus on functional safety and reliability.

VN7040AS-E belongs to the VIPower® M0-7 smart power switch family, engineered specifically for high-side driving of 12 V automotive resistive, inductive, and capacitive loads with integrated diagnostics and protection.

FAQ

What is the role of the FaultRST pin on VN7040AS-E?

The FaultRST pin is an active-low input that unlatches the output after a fault-induced latch-off event (e.g., overtemperature or power limitation). When held low, it forces auto-restart behavior instead of latched shutdown, enabling fail-safe recovery modes in safety-critical automotive subsystems without external microcontroller intervention.

How does MultiSense feedback work and what external components are required?

MultiSense delivers time-multiplexed analog current proportional to load current (via external Rsense), VCC, or TCHIP. An external sense resistor (mounted at TP1–TP2 or SMD pads) is mandatory for load current sensing; SEL0/SEL1 select the diagnostic channel, and S_EN enables/disables the output during OFF-state to reduce system power consumption.

Can VN7040AS-E drive inductive loads like solenoids or relays directly?

Yes - VN7040AS-E integrates active clamp circuitry and fast thermal transient limiting, allowing direct driving of automotive inductive loads such as fuel injectors, HVAC actuators, and relay coils. Its 34 A current limit and 40 mΩ RON ensure minimal voltage drop and energy dissipation during sustained activation without external flyback diodes.

Is VN7040AS-E AEC-Q100 qualified and what grade does it meet?

VN7040AS-E is qualified per AEC-Q100 Grade 1 (−40 °C to +125 °C ambient), validated for use in engine compartments and chassis-mounted ECUs. This qualification covers stress testing for temperature cycling, humidity, ESD, and mechanical shock - confirming suitability for front-end automotive applications beyond cabin-only modules.

VN7040AS-E Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 8-SOIC (0.154", 3.90mm Width)

Series:: VIPower™

Packaging:: Tube

Product Status:: Discontinued at Digi-Key

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:: 4V ~ 28V

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

Current - Output (Max):: 24A

Rds On (Typ):: 40mOhm

Input Type:: Non-Inverting

Features:: Auto Restart, Status Flag

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

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SOIC

VN7040AS-E FAQ

1.How can I place an order for VN7040AS-E through Aetrix?

Please submit a Request for Quotation (RFQ) for VN7040AS-E 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 VN7040AS-E reliable?

The price and inventory of VN7040AS-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VN7040AS-E is usually 5 days.

3.What payment methods are accepted for VN7040AS-E?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VN7040AS-E transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VN7040AS-E?

VN7040AS-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VN7040AS-E 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 VN7040AS-E?

For technical support, including VN7040AS-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VN7040AS-E requirements.

6.How does Aetrix verify that VN7040AS-E is sourced from the original manufacturer or authorized distributors?

All VN7040AS-E 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 VN7040AS-E meets industry standards.

7.What is the process for return or replacement of VN7040AS-E?

All VN7040AS-E units undergo pre-shipment inspection (PSI). If there is an issue with VN7040AS-E, 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 VN7040AS-E part is unused and in its original packaging.

Return procedure for VN7040AS-E:

1.Submit a request within 90 days.

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

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