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

STMicroelectronics VN7008AJ

Name: VN7008AJ
Brand: STMicroelectronics
SKU: VN7008AJ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VN7008AJ

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

Package:: 16-PowerLFSOP (0.154", 3.90mm Width)

Datasheet:: VN7008AJ.pdf

Description:: IC PWR DRVR N-CHAN 1:1 PWRSSO16

Quantity:: RFQ Add To RFQ list

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Product details

Overview

VN7008AJ from STMicroelectronics is a single-channel automotive smart high-side driver using VIPower® technology, designed to control 12 V grounded resistive/inductive/capacitive loads via 3 V/5 V CMOS-compatible interface. It delivers 8.5 mΩ on-state resistance, 96 A current limitation, and analog current-sense feedback with ±5% accuracy across 0–90 A load range. Used in headlamp control modules for precise dimming and fault diagnostics.

For engineers reviewing the VN7008AJ datasheet, VN7008AJ pinout, VN7008AJ application, or VN7008AJ equivalent, key selection criteria include its PowerSSO-16 thermal performance (R_thj-board = 3.85 °C/W), configurable latch-off on overtemperature, CS diagnostic enable/disable via SEn pin, and reverse-battery protection support with external diode network.

Technical Context

The VN7008AJ integrates a power MOSFET with embedded current-sense mirror, thermal shutdown circuitry, and programmable fault latching. Its analog CS output delivers 1 mA per 10 A load current (100 µA/A) with <±5% gain error and supports OFF-state open-load detection by monitoring V_OUT voltage decay.

Protection logic includes undervoltage shutdown at 4 V (with 0.3 V hysteresis), clamp-based overvoltage protection up to 46 V, and self-limiting thermal transients via dynamic power limitation. FaultRST enables active-low fault reset or auto-restart mode depending on logic level.

Key Specifications

Parameter	Value and Actual Design Meaning
VCC Range	4–28 V operating supply; supports cold-crank (4 V) and load-dump (40 V transient) conditions in automotive systems
R_ON	8.5 mΩ typical at 25°C; ensures ≤0.21 W conduction loss at 5 A, critical for thermally constrained headlamp modules
I_LIMH	96 A typical current limit; sustains short-circuit events without external fusing while limiting peak junction temperature
I_STBY	0.5 µA max at 25°C; enables ultra-low-power sleep modes in body control units during vehicle off-state
CS Accuracy	±5% full-scale error (0–90 A); enables precise closed-loop current regulation and predictive failure analysis
t_{D_STBY}	60–550 µs standby blanking time; prevents false fault triggering during MCU wake-up transitions
R_thj-board	3.85 °C/W (4-layer PCB); allows ≥3.5 W continuous power dissipation before thermal shutdown at 85°C ambient

Pinout & Package

Housed in PowerSSO-16 package - thermally enhanced exposed-pad SO-16 variant with integrated heatsink pad (pins 9–12 and 13–16 internally shorted for GND and OUTPUT respectively).

Pin/Terminal	Circuit Role	Design Meaning
VCC	Battery supply input	Accepts 4–28 V DC; clamped to 46 V during transients; reverse-battery tolerant only with external diode
OUTPUT	High-side switched output	Single power terminal (pins 13–16 tied); drives grounded loads; features integrated freewheeling diode path
GND	Power ground reference	Pins 9–12 tied internally; requires external reverse-battery protection network per ISO 16750-2
INPUT	CMOS-compatible control input	Hysteresis-enabled (0.2 V), compatible with 3 V/5 V MCUs; controls ON/OFF state of output switch
CS	Analog current sense output	Delivers 100 µA/A proportional current; used for real-time load monitoring and open-load/short-to-VCC detection
SEn	Sense enable control	Active-high; disables CS output in standby to reduce system leakage; enables sharing of external sense resistor
FaultRST	Fault reset / latch control	Active-low; unlatches output after thermal or overload fault; held low for auto-restart behavior

Key Features

Feature	Design Value
Smart current sensing	CS pin provides linear 100 µA/A analog feedback with ±5% accuracy - enables real-time load monitoring without external shunt
Configurable fault latching	FaultRST pin selects between latch-off (default) or auto-restart mode - simplifies system-level fault recovery strategy
Ultra-low standby current	0.5 µA max at 25°C - meets UNECE R100 Class B requirements for battery-disconnect compliance
Reverse battery resilience	Supports -14 V reverse polarity with external diode network - satisfies ISO 16750-2 Pulse 4a test profile
Thermal robustness	Self-limiting power limitation + thermal shutdown at 150°C junction - prevents destructive failure under sustained overload

Applications

Automotive Headlamps

Front Fog Lamps

Use Scenario: PWM-controlled LED headlamp modules requiring precise current regulation and open-circuit fault detection.

IC Role / Device Role / Timing Role: High-side switch with analog current feedback for closed-loop dimming and real-time thermal derating.

Use Value: Enables adaptive lighting functions (e.g., cornering, matrix beam) via accurate 0–90 A load current reporting with ±5% error.

Use Scenario: 12 V halogen fog lamp drive with short-circuit protection and diagnostic reporting during engine start.

IC Role / Device Role / Timing Role: Smart load switch providing overload indication and OFF-state open-load detection before ignition.

Use Value: Eliminates need for discrete fuses and relays; reduces BOM count while meeting ISO 16750-2 pulse immunity requirements.

Engine Bay Solenoids

Body Control Module Outputs

Use Scenario: 12 V fuel injector or turbocharger wastegate solenoid control with demagnetization energy management.

IC Role / Device Role / Timing Role: High-current switching element with controlled turn-off slope (0.1–0.7 V/µs) to limit inductive kickback.

Use Value: Supports up to 170 mJ demagnetization energy at 16 V - avoids external snubbers in compact engine control units.

Use Scenario: Centralized power distribution for door locks, mirrors, and interior lighting in modern BCM architectures.

IC Role / Device Role / Timing Role: Low-quiescent-current (0.5 µA) channel driver enabling always-on diagnostics during vehicle sleep mode.

Use Value: Reduces parasitic drain below 10 µA total system level - extends battery life during 30-day parking scenarios.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TPS27081A	Lower R_ON (5.5 mΩ), no analog CS output, fixed latch-off only	Lacks current feedback and OFF-state diagnostics; suited for non-diagnostic cost-sensitive loads	Select when analog sensing is unnecessary and thermal margin exceeds 5 W
IPS1025H	Higher I_LIMH (120 A), same PowerSSO-16 package, identical CS architecture	Designed for higher-power HVAC actuators; shares pinout and diagnostic protocol with VN7008AJ	Drop-in upgrade path for future-proofing headlamp designs requiring >96 A surge capability

Compared with TPS27081A and IPS1025H, the VN7008AJ uniquely balances diagnostic richness (analog CS + OFF-state detection), ultra-low standby current (0.5 µA), and automotive-grade transient resilience (40 V ISO 16750-2 clamp), making it optimal for safety-critical lighting control where both precision and reliability are mandated.

Availability

VN7008AJ is available at Aetrix Electronics and suitable for automotive headlamp control, front fog lamp drive, engine bay solenoid actuation, and body control module outputs requiring stable component supply across extended temperature ranges (-40°C to +150°C).

Supply support for VN7008AJ 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 VN7008AJ belongs to ST's VIPower® M0-7 family of smart power switches, engineered specifically for ASIL-B compliant automotive body electronics requiring integrated protection, diagnostics, and low-power operation.

FAQ

What is the maximum continuous output current supported by VN7008AJ?

The VN7008AJ does not specify a fixed continuous current rating due to thermal dependence on PCB layout. With a 4-layer board (R_thj-board = 3.85 °C/W) and 85°C ambient, it sustains ~3.5 A continuously at 25°C junction rise. At 150°C T_j limit, practical continuous current is ~5 A with adequate copper area and airflow - verified per JEDEC JESD 51-7 thermal modeling.

How does the CS pin function during OFF-state open-load detection?

When SEn is high and INPUT is low, the VN7008AJ activates internal pull-down on OUTPUT. The CS pin then reflects V_OUT voltage decay rate: slow decay indicates open load (high impedance), fast decay indicates short-to-ground. Thresholds are factory-trimmed and validated per Table 13 in the datasheet.

Can FaultRST be left unconnected in auto-restart mode?

No. FaultRST must be actively driven low (≤0.9 V) to enable auto-restart mode. Leaving it floating violates the absolute maximum rating for I_FR and may cause unpredictable latch behavior. A 15 kΩ pull-down resistor to GND is recommended per Table 2 for reliable auto-restart operation.

Is external reverse-battery protection required on the GND pin?

Yes. The VN7008AJ GND pin lacks internal reverse-polarity protection. Per Section 4.1 and Figure 34, an external series diode (DGND) or resistor-diode network must be placed in the ground path to withstand -14 V reverse battery per ISO 16750-2 Pulse 4a, otherwise permanent damage occurs.

VN7008AJ Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 16-PowerLFSOP (0.154", 3.90mm Width)

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:: 4V ~ 28V

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

Current - Output (Max):: 35A

Rds On (Typ):: 8.5mOhm

Input Type:: Non-Inverting

Features:: -

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

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

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSSO-16

VN7008AJ FAQ

1.How can I place an order for VN7008AJ through Aetrix?

Please submit a Request for Quotation (RFQ) for VN7008AJ 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 VN7008AJ reliable?

The price and inventory of VN7008AJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VN7008AJ is usually 5 days.

3.What payment methods are accepted for VN7008AJ?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VN7008AJ transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VN7008AJ?

VN7008AJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VN7008AJ 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 VN7008AJ?

For technical support, including VN7008AJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VN7008AJ requirements.

6.How does Aetrix verify that VN7008AJ is sourced from the original manufacturer or authorized distributors?

All VN7008AJ 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 VN7008AJ meets industry standards.

7.What is the process for return or replacement of VN7008AJ?

All VN7008AJ units undergo pre-shipment inspection (PSI). If there is an issue with VN7008AJ, 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 VN7008AJ part is unused and in its original packaging.

Return procedure for VN7008AJ:

1.Submit a request within 90 days.

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

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