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

STMicroelectronics VNQ7E100AJTR

Name: VNQ7E100AJTR
Brand: STMicroelectronics
SKU: VNQ7E100AJTR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VNQ7E100AJTR

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

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

Datasheet:: VNQ7E100AJTR.pdf

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

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Product details

Overview

VNQ7E100AJTR 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 100 mΩ typical on-state resistance per channel, 15 A current limitation, and supports deep cold cranking down to 2.85 V. Used in ADAS radar/sensor power distribution and automotive lamp control.

For engineers reviewing the VNQ7E100AJTR datasheet, VNQ7E100AJTR pinout, VNQ7E100AJTR application, or VNQ7E100AJTR equivalent, key selection criteria include cranking voltage margin (2.85 V), analog CurrentSense precision (±7% at 2 A), latch-off configurability, reverse battery protection compatibility, and AEC-Q100 qualification for under-hood deployment.

Technical Context

This device integrates four independent VIPower® M0-7 high-side switches with multiplexed analog current sensing via a single CS pin. Each channel features programmable fault response (auto-restart or latch-off), thermal shutdown with 150–200 °C trip range, and undervoltage lockout with 0.3 V hysteresis.

The diagnostic architecture supports simultaneous OFF-state open-load detection (VOL threshold 2–4 V), short-to-VCC identification, and real-time proportional load current mirroring (K-factor = 710 ±7% at 2 A). FaultRST enables active unlatching, while SEn and SEL0/SEL1 pins configure sensing mode and channel selection.

Key Specifications

Parameter	Value and Actual Design Meaning
VCC Range	4–28 V operating; supports 2.85 V cranking-enables reliable startup in extreme cold (-40 °C)
R_ON (per channel)	100 mΩ typ. at 1 A/25 °C-minimizes conduction loss and thermal rise in 12 V systems
I_LIMH	15 A typ. DC short-circuit limit-provides robust overload protection without external fusing
I_STBY	0.5 µA max. at 13 V/25 °C-reduces parasitic drain in always-on vehicle modules
CurrentSense Accuracy	±7% error at 2 A output-enables precise closed-loop load monitoring for ADAS power integrity
Thermal Shutdown	150–200 °C trip range with 7 K hysteresis-prevents thermal runaway during sustained overloads
AEC-Q100 Grade	Qualified to Grade 1 (-40 to +125 °C ambient) with extended junction rating to +150 °C-validates under-hood reliability

Pinout & Package

Package: PowerSSO-16 (exposed thermal pad connected to VCC); thermally optimized for PCB mounting with R_thj-board = 7.7 °C/W on 4-layer board.

Pin/Terminal	Circuit Role	Design Meaning
VCC	Battery supply input	Primary power rail; connects to exposed thermal tab-must be reverse-battery protected externally
GND	Ground reference	System return path; requires external diode/resistor network for reverse battery survival
OUTPUT0–3	High-side switched outputs	Drive grounded automotive loads (lamps, solenoids, sensors); each internally current-limited and thermally protected
INPUT0–3	CMOS-compatible control inputs	Accept 3 V/5 V logic; include hysteresis (0.2 V) for noise immunity in harsh EMI environments
CS	Multiplexed analog current sense output	Delivers proportional current mirror (I_SENSE = I_OUT/710); indicates faults via voltage clamping (5–6.6 V)
SEn	Sense enable	Active-high control enabling CS diagnostics; allows OFF-state diagnosis disable during low-power modes
SEL0, SEL1	Current sense channel selector	2-bit address for multiplexing CS among four channels; supports shared external sense resistor
FaultRST	Fault reset/unlatch control	Active-low input; unlatches latched outputs or forces auto-restart mode when held low

Key Features

Feature	Design Value
Quad-channel CurrentSense multiplexing	Single CS pin monitors all four channels with <20 µs inter-channel transition-reduces BOM and routing complexity
Deep cranking support	Operates down to 2.85 V V_CC with guaranteed 300 mΩ R_ON-ensures headlamp or radar power during engine start
Configurable fault response	Latch-off or auto-restart selectable via FaultRST pin state-enables fail-safe or self-healing behavior per system requirement
OFF-state open-load detection	VOL threshold 2–4 V with 5–30 µs delay-identifies broken lamp filaments or disconnected ADAS sensors without wake-up
Reverse battery resilience	Compatible with external diode/resistor network on GND-meets ISO 16750-2 for 12 V automotive electrical systems

Applications

ADAS Radar Power Distribution

Automotive Headlamp Control

Use Scenario: Supplying regulated 12 V power to 77 GHz radar modules requiring continuous operation during cold cranking.

IC Role / Device Role / Timing Role: Quad high-side switch providing independent, current-sensed power paths with thermal derating and fault reporting.

Use Value: Maintains radar functionality at 2.85 V V_CC, detects open-circuit antenna traces via OFF-state diagnostics, and prevents thermal damage during ECU software faults.

Use Scenario: Driving halogen and LED headlamps with real-time current monitoring and short-circuit protection.

IC Role / Device Role / Timing Role: High-side driver delivering up to 15 A per channel with analog current feedback for adaptive dimming and burn-out detection.

Use Value: Eliminates need for discrete fuses and shunt resistors; enables predictive lamp failure alerts using ±7% CurrentSense accuracy at full load.

Engine Control Module (ECM) Solenoid Drive

Body Control Module (BCM) Interior Lighting

Use Scenario: Controlling fuel injector solenoids and turbocharger actuators in high-temperature engine bay environments.

IC Role / Device Role / Timing Role: Robust high-side switch with 150–200 °C thermal shutdown and fast turn-off (≤100 µs) for precise valve timing.

Use Value: Survives 150 °C junction temperature; limits inductive kickback energy to <10 mJ; supports ISO 16750-2 pulse testing.

Use Scenario: Managing courtesy lights, map lamps, and ambient lighting with ultra-low standby current and diagnostic capability.

IC Role / Device Role / Timing Role: Low-quiescent (0.5 µA) quad driver enabling always-on cabin presence detection and open-wire fault logging.

Use Value: Reduces battery drain below 1 µA total module sleep current; identifies broken LED strings via OFF-state VOL measurement.

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
VNQ7E050AJTR	50 mΩ R_ON, 25 A I_LIMH, same package and pinout	Better suited for high-current solenoids and motors; higher conduction loss at light loads	Select when peak load exceeds 15 A and thermal margin permits higher R_ON-related losses
TPS4H160-Q1	Single-channel, 160 mΩ R_ON, integrated SPI interface, no analog CS	Requires four devices for quad function; offers digital diagnostics but no proportional current mirror	Choose for systems prioritizing ASIL-B compliance and firmware-configurable protection over analog sensing fidelity

Compared with VNQ7E100AJTR, VNQ7E050AJTR trades lower R_ON for higher quiescent current (1 µA vs. 0.5 µA) and reduced cranking margin (3.0 V vs. 2.85 V), while TPS4H160-Q1 sacrifices analog CurrentSense resolution and thermal cycling responsiveness for programmable digital control and functional safety features.

Availability

VNQ7E100AJTR is available at Aetrix Electronics and suitable for automotive ADAS radar power distribution, headlamp control, ECM solenoid drive, and BCM interior lighting requiring stable component supply across extended temperature and cranking conditions.

Supply support for VNQ7E100AJTR 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, specializing in automotive, industrial, and power management ICs with vertical manufacturing and AEC-Q100 validation expertise.

VNQ7E100AJTR belongs to ST's VIPower® smart power family, engineered specifically for automotive high-side switching with integrated diagnostics, cranking resilience, and thermal robustness for under-hood and body-control applications.

FAQ

What is the minimum supply voltage required for guaranteed operation during cold cranking?

VNQ7E100AJTR guarantees operation down to 2.85 V V_CC (decreasing) with specified 300 mΩ R_ON and functional diagnostics. This meets LV124 Rev 2013 deep cranking requirements and ensures radar or lamp functionality during engine start at -40 °C ambient.

How does the CurrentSense multiplexer work across four channels?

The CS pin delivers proportional current (I_SENSE = I_OUT/710) for one selected channel at a time, controlled by SEn (enable) and SEL0/SEL1 (2-bit address). Transition between channels takes ≤20 µs, and OFF-state diagnostics (e.g., open-load) are reported on the same pin when the addressed channel is inactive.

Can VNQ7E100AJTR survive reverse battery conditions?

VNQ7E100AJTR itself is not reverse-battery rated, but its GND pin is designed to interface with an external diode/resistor network that provides reverse polarity protection per ISO 16750-2. The datasheet specifies mandatory external circuitry-no internal reverse-battery hardening is present.

What fault responses are configurable, and how is latch-off disabled?

Fault response is set by the FaultRST pin: logic high enables latch-off on overtemperature or overload, while logic low forces auto-restart mode. Unlatching occurs within 3–20 µs of FaultRST falling edge, and holding FaultRST low continuously disables latch-off entirely for cyclic fault recovery.

VNQ7E100AJTR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

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

Series:: VIPOWER™

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:: -

Voltage - Load:: 4V ~ 28V

Voltage - Supply (Vcc/Vdd):: -

Current - Output (Max):: 7.5A

Rds On (Typ):: 100mOhm

Input Type:: Non-Inverting

Features:: Auto Restart, Status Flag

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

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

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSSO-16

VNQ7E100AJTR FAQ

1.How can I place an order for VNQ7E100AJTR through Aetrix?

Please submit a Request for Quotation (RFQ) for VNQ7E100AJTR 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 VNQ7E100AJTR reliable?

The price and inventory of VNQ7E100AJTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VNQ7E100AJTR is usually 5 days.

3.What payment methods are accepted for VNQ7E100AJTR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VNQ7E100AJTR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VNQ7E100AJTR?

VNQ7E100AJTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VNQ7E100AJTR 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 VNQ7E100AJTR?

For technical support, including VNQ7E100AJTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VNQ7E100AJTR requirements.

6.How does Aetrix verify that VNQ7E100AJTR is sourced from the original manufacturer or authorized distributors?

All VNQ7E100AJTR 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 VNQ7E100AJTR meets industry standards.

7.What is the process for return or replacement of VNQ7E100AJTR?

All VNQ7E100AJTR units undergo pre-shipment inspection (PSI). If there is an issue with VNQ7E100AJTR, 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 VNQ7E100AJTR part is unused and in its original packaging.

Return procedure for VNQ7E100AJTR:

1.Submit a request within 90 days.

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

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