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

STMicroelectronics VNQ9080AJTR

Name: VNQ9080AJTR
Brand: STMicroelectronics
SKU: VNQ9080AJTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VNQ9080AJTR

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

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

Datasheet:: VNQ9080AJTR.pdf

Description:: QUAD CHANNEL HIGH-SIDE DRIVER WI

Quantity:: RFQ Add To RFQ list

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Product details

Overview

VNQ9080AJTR from STMicroelectronics is a quad-channel automotive smart high-side driver in PowerSSO-16 package, designed for 12 V grounded loads with 3 V/5 V CMOS-compatible control. It delivers 86 mΩ typical on-resistance per channel, 13.6 A current limit, and integrated analog current sense feedback with multiplexed CS pin. Used in ADAS radar power supplies and automotive LED signal lamps under LV124 cold-cranking conditions.

For engineers reviewing the VNQ9080AJTR datasheet, VNQ9080AJTR pinout, VNQ9080AJTR application, or VNQ9080AJTR equivalent, key selection criteria include its AEC-Q100 qualification, 4–28 V operating range, 0.5 µA standby current, fault reset (FaultRST) pin behavior, and multiplexed analog current sense architecture supporting open-load, short-to-VCC, and thermal shutdown diagnostics.

Technical Context

This device implements ST's VIPower M0-9 technology to integrate four independent high-side switches with active current limiting, dynamic thermal protection, and configurable latch-off behavior. Each channel features undervoltage lockout (2.7 V threshold), overvoltage clamp (36–45 V), and reverse-battery resilience via external components.

The diagnostic subsystem uses a single CS pin with SEL0/SEL1 addressing to multiplex proportional current sense (K = 1500 ±7% at 0.85 A), overload indication, OFF-state open-load detection (with external pull-up), and short-to-VCC reporting - all synchronized via SEn enable and FaultRST-controlled unlatching.

Key Specifications

Parameter	Value and Actual Design Meaning
VCC Range	4 to 28 V - supports deep cold-cranking down to 4 V per LV124 Rev 2013.
R_ON (typ)	86 mΩ per channel - enables low conduction loss at 0.7 A, critical for thermally constrained modules.
I_LIMH (typ)	13.6 A - programmable current limit prevents wire harness damage during short-circuit events.
I_STBY (max)	0.5 µA - ultra-low quiescent current preserves battery life in always-on vehicle domains.
CS Sensing Accuracy	K = 1500 ±7% at I_OUT = 0.85 A - enables precise load monitoring without external shunt amplifiers.
T_TSD	150–210 °C - thermal shutdown with 135 °C reset hysteresis ensures safe recovery after overload.
Logic Compatibility	3 V/5 V CMOS inputs (IN0–3, SEn, SEL0/1, FaultRST) - eliminates level-shifting in modern MCU interfaces.

Pinout & Package

Package: PowerSSO-16 - thermally enhanced exposed-tab SO-16 variant with VCC-connected tab for efficient heat dissipation in automotive PCBs.

Pin/Terminal	Circuit Role	Design Meaning
VCC	Battery supply input	Primary 4–28 V rail; connects directly to exposed tab for thermal conduction and low-impedance power path.
GND	Ground reference	Must be reverse-battery protected externally; serves as return for all logic and power paths.
IN0–IN3	Channel enable inputs	CMOS-compatible with hysteresis; controls individual high-side switch state (ON/OFF).
OUT0–OUT3	Switched load outputs	Drives grounded resistive/inductive/capacitive loads; includes internal clamp diode (V_F = 0.7 V @ -0.7 A).
CS	Multiplexed analog current sense	Delivers I_SENSE = I_OUT/K; requires external R_SENSE (e.g., 1 kΩ) to generate voltage feedback.
SEn	Current sense enable	Active-high; disables CS output and OFF-state diagnostics during low-power modes.
SEL0, SEL1	CS channel selector	Binary address lines selecting which of four channels' current is routed to CS pin.
FaultRST	Fault reset/unlatch control	Active-low; forces auto-restart if held low, or enables manual unlatch for latch-off faults.

Key Features

Feature	Design Value
Quad-channel integration	Four independent high-side drivers in one PowerSSO-16 package - reduces board space vs discrete solutions and simplifies layout for multi-load systems.
Multiplexed analog current sense	Single CS pin reports load current, overload, thermal shutdown, and open-load status across all four channels - cuts BOM cost and routing complexity.
Configurable fault response	FaultRST pin selects between auto-restart (short transient) and latch-off (persistent fault) - enables system-level safety policy enforcement.
LV124-compliant operation	Functional down to 4 V VCC with <0.5 µA standby current - meets automotive deep cold-cranking requirements without auxiliary wake-up circuitry.
AEC-Q100 Grade 1	Qualified for -40 °C to +125 °C ambient operation - validated for engine bay and ADAS ECU placement.

Applications

ADAS Radar Power Supply

Automotive LED Signal Lamp

Use Scenario: Provides protected 12 V supply to 77 GHz radar modules requiring stable voltage during cranking transients.

IC Role / Device Role / Timing Role: Quad high-side driver powers radar sub-modules (RF, DSP, interface) with independent ON/OFF control and real-time current monitoring.

Use Value: 4 V minimum operating voltage and 0.5 µA standby current ensure radar remains functional during engine start; current sense detects antenna faults before thermal damage.

Use Scenario: Drives R10W filament bulbs and high-brightness LEDs in rear combination lamps with PWM dimming support.

IC Role / Device Role / Timing Role: High-side switch replaces mechanical relays; handles inrush current of cold filaments and capacitive LED drivers.

Use Value: 13.6 A current limit prevents fuse blowout during lamp hot-swap; open-load detection identifies broken bulb/LED strings without external sensors.

Engine Control Unit Load Management

Body Control Module (BCM) Actuator Interface

Use Scenario: Controls solenoids, fuel injectors, and HVAC actuators in ECU designs where space and thermal budget are constrained.

IC Role / Device Role / Timing Role: Replaces discrete MOSFET+driver combinations; integrates protection and diagnostics for each actuator channel.

Use Value: 86 mΩ R_ON minimizes self-heating at 0.7 A continuous load; thermal shutdown with 135 °C reset avoids permanent latch-off during intermittent overloads.

Use Scenario: Interfaces with door locks, window lifters, and mirror adjusters in BCMs requiring fail-safe diagnostics.

IC Role / Device Role / Timing Role: Smart high-side driver provides short-to-ground, short-to-VCC, and open-load detection per channel.

Use Value: Multiplexed CS pin enables full diagnostic coverage using only one ADC input; SEL0/SEL1 addressing allows shared sensing hardware across multiple VNQ9080AJTR devices.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TPS4H160-Q1	Higher R_ON (120 mΩ), no multiplexed analog CS - uses digital SPI reporting instead.	Requires microcontroller with SPI interface; lacks direct analog current feedback for simple ADC monitoring.	Select when system already uses SPI-based diagnostics and needs higher voltage tolerance (40 V max).
BD82001FV-M	Triple-channel only; no FaultRST pin - fault recovery is automatic only, no manual unlatch capability.	Not suitable for safety-critical latch-off requirements; limited channel count increases component count for quad-load systems.	Select for cost-sensitive triple-load applications where latch-off configurability is unnecessary.

Compared with TPS4H160-Q1 and BD82001FV-M, VNQ9080AJTR uniquely combines quad-channel density, analog multiplexed current sense, and user-configurable fault reset - making it optimal for ADAS and BCM designs needing minimal external components and deterministic diagnostic reporting.

Availability

VNQ9080AJTR is available at Aetrix Electronics and suitable for automotive ADAS radar power supplies, LED signal lamp control, and body control module actuator interfaces requiring stable component supply across extended temperature and voltage ranges.

Supply support for VNQ9080AJTR 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 broad manufacturing and qualification capabilities.

VNQ9080AJTR belongs to ST's VIPower family of smart power ICs, engineered specifically for automotive high-side switching applications demanding robust protection, precise diagnostics, and AEC-Q100 compliance in harsh environments.

FAQ

What is the purpose of the FaultRST pin?

The FaultRST pin is an active-low input that controls fault recovery behavior. When pulled low, it forces auto-restart mode after thermal or overload shutdown; when pulsed low then released, it manually unlatches a latched-off output. Its CMOS-compatible 0.9 V low threshold and 2.1 V high threshold ensure reliable interfacing with standard microcontrollers without level shifters.

How does the multiplexed CS pin distinguish between different diagnostic conditions?

The CS pin outputs distinct voltage/current levels based on SEL0/SEL1 addressing and SEn state. With SEn high and SEL0/SEL1 selecting a channel, CS delivers proportional current sense (I_SENSE = I_OUT/K). During faults, CS shifts to fixed voltage (e.g., 5–7.5 V for open-load) or current (7–12 mA for overload), independent of load current - enabling unambiguous condition identification using a single ADC input.

Can VNQ9080AJTR drive inductive loads like fuel injectors?

Yes - it is explicitly qualified for automotive inductive loads. The integrated clamp diode (V_F = 0.7 V at -0.7 A) suppresses flyback voltage during turn-off, and the 36–45 V overvoltage clamp protects against inductive spikes. Its 13.6 A current limit and dynamic thermal management prevent damage during sustained injector duty cycles, even at 150 °C junction temperature.

What external components are required for OFF-state open-load detection?

An external pull-up resistor (recommended 15 kΩ to VCC) on each OUTx pin is required for OFF-state open-load detection. When the channel is disabled (INx = 0 V) and the load is disconnected, the pull-up raises V_OUT above the 2–4 V VOL threshold, triggering the diagnostic. No additional op-amps or comparators are needed - the function is fully integrated and reported via the CS pin when SEn is high and the channel is selected.

VNQ9080AJTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

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

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Switch Type:: General Purpose

Number of Outputs:: 4

Ratio - Input:Output:: 1:1

Output Configuration:: High Side

Output Type:: N-Channel

Interface:: Parallel

Voltage - Load:: -

Voltage - Supply (Vcc/Vdd):: 4V ~ 28V

Current - Output (Max):: 13.6A

Rds On (Typ):: 86mOhm

Input Type:: Non-Inverting

Features:: Load Discharge, Status Flag

Fault Protection:: Current Limiting (Adjustable), Over Temperature, Over Voltage, Reverse Current, UVLO

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSSO-16

VNQ9080AJTR FAQ

1.How can I place an order for VNQ9080AJTR through Aetrix?

Please submit a Request for Quotation (RFQ) for VNQ9080AJTR 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 VNQ9080AJTR reliable?

The price and inventory of VNQ9080AJTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VNQ9080AJTR is usually 5 days.

3.What payment methods are accepted for VNQ9080AJTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VNQ9080AJTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VNQ9080AJTR?

VNQ9080AJTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VNQ9080AJTR 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 VNQ9080AJTR?

For technical support, including VNQ9080AJTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VNQ9080AJTR requirements.

6.How does Aetrix verify that VNQ9080AJTR is sourced from the original manufacturer or authorized distributors?

All VNQ9080AJTR 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 VNQ9080AJTR meets industry standards.

7.What is the process for return or replacement of VNQ9080AJTR?

All VNQ9080AJTR units undergo pre-shipment inspection (PSI). If there is an issue with VNQ9080AJTR, 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 VNQ9080AJTR part is unused and in its original packaging.

Return procedure for VNQ9080AJTR:

1.Submit a request within 90 days.

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

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