VNQ7003SY STMicroelectronics Integrated Circuit (Small Outline Packages) In Stock
VNQ7003SY is a quad-channel high-side driver IC from STMicroelectronics featuring a 16-bit SPI interface designed for automotive body control applications. It integrates four independent 0.3 Ω power MOSFET channels with overcurrent, overtemperature, and open-load diagnostics. Available in SO-20 package with AEC-Q100 qualification.
- Manufacturer
- STMicroelectronics
- Package
- Small Outline Packages
- Pin Count
- 37
- Lifecycle
- ACTIVE
- Datasheet
- VNQ7003SY Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Quad 0.3 Ω high-side MOSFET channels with independent control via 16-bit SPI interface
- Integrated overcurrent, overtemperature, and open-load protection with SPI diagnostic readback
- AEC-Q100 automotive-qualified with operating range from -40°C to +150°C junction temperature
Applications
VNQ7003SY is used in automotive body control modules (BCM) to switch resistive and inductive loads such as relays, solenoids, and lamps up to 2.5 A per channel. Its SPI diagnostic interface makes it ideal for body electronics requiring real-time fault reporting over a shared serial bus. The device also suits industrial PLC output stages where multiple high-side switches must be managed from a single microcontroller port.
Specifications
| YTEOL | 8 |
| Interface IC Type | BUFFER OR INVERTER BASED PERIPHERAL DRIVER |
| JESD-609 Code | e3 |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for VNQ7003SY:
Frequently Asked Questions
What is the maximum continuous current each channel of VNQ7003SY can handle?
Each of the four high-side channels in VNQ7003SY is rated for up to 2.5 A continuous current with an on-resistance of approximately 0.3 Ω per channel at 25°C, making it suitable for switching automotive relays, solenoids, and lamps without external power transistors.
Which automotive load types are best suited for VNQ7003SY in a 12 V vehicle system?
VNQ7003SY handles resistive loads such as heater elements and lamp clusters, plus inductive loads including solenoid valves and relay coils operating at 12 V battery voltage. Its internal clamp protects against inductive flyback up to 60 V, and each channel can sustain 2.5 A, covering the majority of body-control actuators in modern vehicles.
How does the 16-bit SPI interface on VNQ7003SY reduce microcontroller GPIO requirements?
The 16-bit SPI interface allows a single microcontroller SPI port to simultaneously control all 4 output channels and read back 8-bit diagnostic status—covering overcurrent, overtemperature, and open-load flags—reducing the required GPIO lines from 8+ discrete signals to just 4 SPI lines (MOSI, MISO, CLK, CS).
What operating temperature range qualifies VNQ7003SY for automotive environments?
VNQ7003SY is AEC-Q100 Grade 1 qualified with a junction operating temperature range of -40°C to +150°C and a storage temperature range of -55°C to +150°C, meeting the thermal demands of underhood and body-control applications in passenger vehicles.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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