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

STMicroelectronics VNQ6004SA-E

Name: VNQ6004SA-E
Brand: STMicroelectronics
SKU: VNQ6004SA-E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VNQ6004SA-E

Manufacturer:: STMicroelectronics

Category:: Power Distribution Switches, Load Drivers

Package:: 36-PowerFSOP (0.295", 7.50mm Width)

Datasheet:: VNQ6004SA-E.pdf

Description:: IC PWR DRVR N-CHAN 1:1 PWRSSO36

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Product details

Overview

VNQ6004SA-E from STMicroelectronics is a quad-channel high-side driver IC built on VIPower® technology, designed for driving resistive or inductive loads directly connected to ground in automotive and industrial power distribution systems. It features 16-bit ST-SPI interface, channel-specific R_ON (30 mΩ for Ch 0–1, 10 mΩ for Ch 2–3), programmable BULB/LED mode for channels 0–1, integrated PWM/phase-shift generation, and real-time diagnostics including open-load (ON/OFF-state), overtemperature, and short-circuit detection.

For engineers reviewing the VNQ6004SA-E datasheet, VNQ6004SA-E pinout, VNQ6004SA-E application, or VNQ6004SA-E equivalent, this device supports precise load control in safety-critical 12 V/24 V systems requiring diagnostic coverage, limp-home fail-safe operation, and electromagnetic robustness per automotive transient standards.

Technical Context

The VNQ6004SA-E implements a fully SPI-configurable high-side switch architecture with four independent power stages, each with dedicated current-sense multiplexing and synchronous CS_SYNC sampling. Its digital core supports seven operating modes-including Normal, Fail-Safe (limp-home), Standby, and Battery Undervoltage-with configurable thermal shutdown (latched or auto-restart) and power limitation protection.

Diagnostic reporting is performed via 16-bit ST-SPI commands with dedicated status registers (e.g., GENSTR, OTFLTR, OLFLTR, PWLMFLTR) enabling real-time fault classification. The device integrates an internal 160 Hz PWM fallback generator and supports external PWMCLK synchronization, while its BULB/LED mode programming enables optimized drive profiles for incandescent lamps and LED arrays.

Key Specifications

Parameter	Value and Actual Design Meaning
VCC Max Rating	28 V - Supports 24 V automotive battery systems with load-dump tolerance up to ±40 V per ISO 7637-2.
R_ON (Ch 0–1)	30 mΩ typ - Enables ≤1.5 W conduction loss at 25 A, suitable for high-current bulb loads.
R_ON (Ch 2–3)	10 mΩ typ - Delivers ≤0.55 W loss at 55 A, optimized for high-power industrial solenoids or motors.
ILIMH (Ch 0–1)	25 A min - Programmable overcurrent threshold with fast response for lamp inrush suppression.
ILIMH (Ch 2–3)	55 A min - Higher current limit accommodates peak motor startup currents without false trip.
SPI Interface	16-bit ST-SPI - Full-duplex, 4-wire interface supporting diagnostic readback, register write, and status polling at up to 10 MHz.
Current Sense	Multiplexed analog output - Provides proportional load current feedback per channel via single CURRENT-SENSE pin with CS_SYNC timing sync.

Pinout & Package

Package: PowerSSO-36 (exposed die pad, thermally enhanced SO-36 variant). Pin count: 36 terminals. RoHS-compliant ECOPACK® package with enhanced thermal dissipation (R_thJA = 25 °C/W, R_thJC = 1.2 °C/W).

Pin/Terminal	Circuit Role	Design Meaning
VCC	Power supply input	Primary high-side rail (up to 28 V); includes reverse-battery protection and load-dump clamping.
GND	Power ground	Common return for power stage and logic; isolated from digital ground in layout-sensitive designs.
IN0–IN3	Limp-home control inputs	Direct TTL/CMOS inputs that override SPI control during digital supply loss or reset events.
OUT0–OUT3	High-side switched outputs	Four independent N-channel VIPower outputs; each drives load between VCC and load ground.
CSN	SPI chip select	Active-low enable for SPI communication; monitors timeout for automatic fail-safe entry.
SCK	SPI clock	Master-generated clock (≤10 MHz); defines timing for SDI/SDO data transfer and register access.
SDI	SPI data input	Receives command bytes, register addresses, and configuration data (e.g., PWMCR, DUTYXCR).
SDO	SPI data output	Returns status bytes, diagnostic flags, and register readbacks (e.g., CHDRVR, GENSTR).
CURRENT-SENSE	Analog current feedback	Multiplexed output delivering proportional voltage for all four channels; requires external ADC sampling synchronized to CS_SYNC.
CS_SYNC	Current sense strobe	Open-drain signal active only when corresponding output is ON, enabling accurate in-situ current measurement.

Key Features

Feature	Design Value
Programmable BULB/LED mode	Channels 0–1 support dual-mode drive: BULB mode enables soft-start and inrush limiting for filament lamps; LED mode provides constant-current-like regulation via PWM duty/phase tuning.
Advanced limp-home functionality	Automatic transition to hardware-controlled IN0–IN3 mode upon VDD loss, memory reset, or CSN timeout-ensuring fail-operational behavior without MCU intervention.
Real-time multi-fault diagnostics	Detects and reports open-load (ON/OFF-state), output short-to-VCC, overtemperature, overcurrent, communication error, and power limitation-all accessible via SPI status registers.
EMC-optimized design	Meets stringent automotive EMC requirements: low emission (CISPR 25 Class 5), high immunity (ISO 11452-2/4), and integrated filtering for SPI and current-sense paths.
Reverse-battery & load-dump protection	No external components required: internal circuitry self-turns on power outputs during reverse polarity, and clamps transients up to ±40 V per ISO 7637-2 Pulse 5a/b.

Applications

Automotive Lighting Control

Industrial Solenoid Actuation

Use Scenario: Controlling headlamp, fog lamp, and turn-signal loads in modern vehicle body control modules (BCMs).

IC Role / Device Role / Timing Role: High-side driver with integrated diagnostics and BULB-mode soft-start to suppress inrush current during cold filament turn-on.

Use Value: Eliminates need for discrete current-limiting resistors and external watchdog timers; reduces PCB area by 35% versus discrete MOSFET + driver + sense solutions.

Use Scenario: Driving 24 V DC solenoids in factory automation valves, hydraulic controls, and HVAC dampers.

IC Role / Device Role / Timing Role: Quad-channel high-side switch providing independent ON/OFF control, real-time current monitoring, and short-circuit shutdown.

Use Value: Enables predictive maintenance via continuous load current profiling; prevents coil burnout during stuck-valve conditions.

Truck & Bus Power Distribution

Off-Highway Equipment Monitoring

Use Scenario: Managing auxiliary lighting, winch controls, and PTO (power take-off) loads in heavy-duty commercial vehicles.

IC Role / Device Role / Timing Role: Robust high-side driver with load-dump protection and limp-home mode ensuring critical functions remain operational after ECU brownout.

Use Value: Maintains headlight operation during alternator failure or battery disconnection-meeting UNECE R10 functional safety expectations.

Use Scenario: Controlling hydraulic pump motors and sensor excitation circuits in agricultural tractors and construction machinery.

IC Role / Device Role / Timing Role: Fault-tolerant driver with multiplexed current sense and temperature warning for early detection of winding degradation or bearing seizure.

Use Value: Reduces unplanned downtime by triggering maintenance alerts before catastrophic motor failure occurs.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TPS4H160-Q1	4-channel, 40 V max, R_ON = 45 mΩ (all channels), no integrated PWM generator or BULB/LED mode.	Lacks programmable lamp drive modes and multiplexed current sense; requires external PWM controller for dimming.	Preferred where SPI simplicity and basic diagnostics suffice, but not for filament lamp soft-start or multi-mode LED control.
BD82001FV-M	Quad high-side driver with 40 V rating, R_ON = 25 mΩ, supports I²C interface only-not SPI-and no limp-home pins.	No hardware-based fail-safe mode; relies on host MCU for recovery after communication loss.	Suitable for non-safety-critical consumer-grade systems where I²C integration is preferred and limp-home is unnecessary.

Compared with TPS4H160-Q1 and BD82001FV-M, the VNQ6004SA-E uniquely combines SPI-configurable BULB/LED drive, hardware limp-home inputs, and multiplexed current sensing-making it the only option qualified for ASIL-B–aligned lighting and actuation subsystems requiring autonomous fault containment.

Availability

VNQ6004SA-E is available at Aetrix Electronics and suitable for automotive lighting control, industrial solenoid actuation, and truck power distribution requiring stable component supply across extended temperature ranges (−40 °C to +150 °C junction).

Supply support for VNQ6004SA-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, Switzerland, specializing in automotive, industrial, and power management ICs with vertical manufacturing and AEC-Q100 qualification expertise.

The VNQ6004SA-E belongs to ST's VIPower® M0-7 family of intelligent power switches, engineered specifically for ASIL-B–capable body electronics applications demanding integrated diagnostics, robust EMC performance, and fail-operational behavior.

FAQ

What is the maximum allowable VCC voltage and transient tolerance?

The VNQ6004SA-E supports a continuous VCC rating of 28 V and withstands load-dump transients up to ±40 V per ISO 7637-2 Pulse 5a/b without external clamping. Reverse-battery protection operates down to −18 V, enabled by internal power-output self-turn-on-no external diodes or TVS devices required.

How does the BULB mode differ from LED mode in practice?

BULB mode configures channels 0–1 for incandescent lamp drive with adjustable soft-start ramp, inrush current limiting, and thermal derating based on case temperature. LED mode enables precise PWM dimming control with phase-shift capability and tighter current regulation-both modes use the same R_ON and ILIMH specs but apply distinct internal timing and protection thresholds.

Can the VNQ6004SA-E operate without an MCU connected to the SPI bus?

Yes-the device supports full hardware-based operation via IN0–IN3 pins in limp-home mode. When VDD drops below threshold, CSN times out, or digital memory resets, the IC automatically disables SPI control and routes IN0–IN3 logic states directly to OUT0–OUT3, enabling continued deterministic operation without firmware involvement.

What is the purpose of the CS_SYNC pin and how must it be used?

CS_SYNC is an open-drain synchronization pulse that asserts only while the corresponding output is actively ON. It must be used to gate sampling of the CURRENT-SENSE pin-ensuring ADC conversion occurs exclusively during valid conduction periods and avoiding erroneous readings during OFF-state leakage or switching transitions.

VNQ6004SA-E Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 36-PowerFSOP (0.295", 7.50mm Width)

Series:: VIPower™

Packaging:: Tube

Product Status:: Obsolete

Switch Type:: General Purpose

Number of Outputs:: 4

Ratio - Input:Output:: 1:1

Output Configuration:: High Side

Output Type:: N-Channel

Interface:: SPI

Voltage - Load:: 5V ~ 28V

Voltage - Supply (Vcc/Vdd):: -

Current - Output (Max):: 25A, 55A

Rds On (Typ):: 10mOhm, 30mOhm

Input Type:: -

Features:: Auto Restart

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

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PowerSSO-36

VNQ6004SA-E FAQ

1.How can I place an order for VNQ6004SA-E through Aetrix?

Please submit a Request for Quotation (RFQ) for VNQ6004SA-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 VNQ6004SA-E reliable?

The price and inventory of VNQ6004SA-E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VNQ6004SA-E is usually 5 days.

3.What payment methods are accepted for VNQ6004SA-E?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VNQ6004SA-E transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VNQ6004SA-E?

VNQ6004SA-E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VNQ6004SA-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 VNQ6004SA-E?

For technical support, including VNQ6004SA-E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VNQ6004SA-E requirements.

6.How does Aetrix verify that VNQ6004SA-E is sourced from the original manufacturer or authorized distributors?

All VNQ6004SA-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 VNQ6004SA-E meets industry standards.

7.What is the process for return or replacement of VNQ6004SA-E?

All VNQ6004SA-E units undergo pre-shipment inspection (PSI). If there is an issue with VNQ6004SA-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 VNQ6004SA-E part is unused and in its original packaging.

Return procedure for VNQ6004SA-E:

1.Submit a request within 90 days.

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

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