VNQ5E250AJTR-E

STMicroelectronics VNQ5E250AJTR-E – Quad 28 V High‑Side Driver, PowerSSO‑16

STMicroelectronics VNQ5E250AJTR-E is an automotive‑grade quad high‑side driver designed to switch relays, solenoids, and lamp/LED loads in 12 V and 24 V battery systems. Part of the VNQ5E family, it integrates four protected high‑side MOSFET channels in a compact PowerSSO‑16 package, helping designers reduce external components while meeting stringent automotive robustness requirements.

This device targets body control modules (BCMs), power distribution nodes, and industrial controllers where protected high‑side outputs simplify wiring and increase reliability. With AEC‑Q100 qualification and RoHS‑compliant ECOPACK/halogen‑free construction (suffix “-E”), VNQ5E250AJTR-E is well aligned with modern automotive and industrial design practices.

At‑a‑Glance

• Brand/Manufacturer: STMicroelectronics
• MPN: VNQ5E250AJTR-E (VNQ5E series)
• Function: Quad high‑side MOSFET power switch/driver
• Battery systems: Suitable for 12/24 V applications; nominal support up to 28 V
• Channels: 4
• Output configuration: High‑side MOSFET
• Integrated protections: Overcurrent, thermal shutdown, short‑circuit, ESD protection
• Automotive qualification: AEC‑Q100
• Package: PowerSSO‑16
• Mounting: Surface mount (SMT)
• Packaging: Tape & Reel (TR)
• Pin count: 16
• Environmental/Regulatory: RoHS compliant; ECOPACK/halogen‑free variant (‑E)

Note on on‑resistance: A typical on‑resistance per channel of approximately 500 mΩ is indicated in product information; always verify limits and test conditions in the official datasheet.

Why choose the STMicroelectronics VNQ5E250AJTR-E?

Designers frequently need to switch inductive and incandescent loads from the battery line while preserving control logic and wiring harnesses from faults. The STMicroelectronics VNQ5E250AJTR-E consolidates four protected high‑side channels into one IC, reducing BOM count compared to discrete MOSFETs plus protection networks. Its integrated protections help safeguard the system against common field issues like short circuits, overloads, and over‑temperature events, cutting down on redesign cycles and warranty risks.

Compared with discrete solutions, a quad high‑side device offers more consistent channel‑to‑channel behavior, predictable thermal performance in a single package, and simplified manufacturing with fewer large discrete power components. For BCMs, junction boxes, and mechatronic nodes, that can translate to smaller PCBs, fewer connectors, and faster assembly.

Key Specifications

• Architecture/function: High‑side power switch IC (MOSFET outputs)
• Number of channels: 4
• Nominal supply: Up to 28 V battery systems
• Output configuration: High‑side MOSFET per channel
• On‑resistance (per channel): Approximately 500 mΩ (verify in datasheet)
• Integrated protections: Overcurrent, thermal shutdown, short‑circuit, ESD
• Package: PowerSSO‑16
• Mounting type: Surface mount (SMT)
• Pin count: 16
• Automotive qualification: AEC‑Q100
• RoHS/green status: RoHS compliant; ECOPACK/halogen‑free (‑E)

Parameters not specified in datasheet: If a parameter you need (e.g., maximum continuous current, channel‑to‑channel isolation characteristics, logic thresholds, thermal impedance, operating temperature range) is not listed here, consult the official datasheet for exact ratings and conditions. Do not design beyond datasheet limits.

Protection and Reliability Features

The VNQ5E250AJTR-E emphasizes safe operation in harsh environments by integrating multiple protection schemes per channel:

• Overcurrent protection: Limits or shuts down the channel in overload conditions to protect the device and wiring.
• Thermal shutdown: Protects the IC by shutting down when die temperature exceeds a safe threshold.
• Short‑circuit protection: Detects hard faults and responds rapidly to minimize stress.
• ESD protection: Helps the device withstand handling and system‑level ESD events.

These features reduce the need for external protection components and help meet OEM reliability targets. Always confirm fault response behavior and timing in the datasheet to ensure compatibility with system diagnostics and safety requirements.

Typical Applications

• Automotive body control modules (BCM)
• Relay and solenoid driving
• Lamp/LED load driving (e.g., exterior lighting, interior lighting, indicators when appropriately rated)
• Industrial high‑side switching for 24 V PLC and machinery

In BCMs, four channels can map directly to door lock/unlock solenoids, latching relays, valve actuators, or lamp strings. In industrial controls, the device can distribute power to sensors, contactors, and solenoid valves on a 24 V rail with centralized diagnostics.

Design‑In Guidance

While the VNQ5E250AJTR-E consolidates power switching and protection, careful system design ensures robust performance:

• Power supply and transients:

• Place bulk and high‑frequency decoupling close to the device’s supply pins to manage battery line disturbances.

• For automotive load‑dump and ISO pulse immunity, follow the datasheet’s guidance and consider TVS diodes and appropriate filtering on the battery line as needed.

• Inductive load management:

• Verify whether internal clamps or energy management mechanisms are provided and their energy ratings. If internal recirculation or clamping is not specified, provide an external freewheel path for solenoids and relays.

• Observe maximum allowable inductive energy per event if specified in the datasheet.

• Thermal considerations:

• Use wide copper pours and thermal vias under and around the PowerSSO‑16 thermal pads/pins as recommended.

• Derate per channel current with ambient temperature and board copper area to ensure junction temperature stays within limits.

• Grounding and layout:

• Keep high di/dt return paths short and appropriately routed to minimize voltage spikes.

• Separate sensitive logic traces from load outputs; add RC filtering where recommended by the datasheet.

• Channel usage:

• Distribute high‑current loads across channels to balance heat.

• If paralleling channels is allowed, follow datasheet constraints; if not specified, do not parallel outputs.

• Diagnostics and control:

• Confirm logic input levels, enable/disable schemes, and any available fault feedback pins in the datasheet. If diagnostics are available, integrate them into the ECU/PLC for robust fault handling.

Because exact electrical limits are application‑dependent, always validate with the official STMicroelectronics datasheet and conduct worst‑case testing.

Specifications Summary

• Supply range: Suitable for 12/24 V battery systems up to a nominal 28 V
• Channels: 4 high‑side MOSFET outputs
• On‑resistance: Approximately 500 mΩ per channel (typical indication; verify test conditions)
• Protections: Overcurrent, thermal shutdown, short‑circuit, ESD
• Package: PowerSSO‑16; 16 pins
• Mounting: Surface mount; Tape & Reel packaging for automated assembly
• Qualification: AEC‑Q100 automotive grade
• Environmental: RoHS compliant; ECOPACK/halogen‑free (‑E)
• Operating temperature: Not specified in datasheet
• Maximum output current per channel: Not specified in datasheet
• Logic interface levels and timing: Not specified in datasheet

If your design hinges on a particular parameter (e.g., guaranteed current at 85 °C/125 °C, short‑circuit clamp levels, slew rate, or open‑load detection), consult the datasheet before finalizing the BOM.

Packaging and Footprint

• Package: PowerSSO‑16
• Mounting: Surface mount technology (SMT)
• Tape & Reel option: VNQ5E250AJTR-E is supplied in TR format for high‑volume pick‑and‑place
• Pin count: 16

Follow ST’s recommended land pattern and reflow profile for PowerSSO‑16 to ensure optimal solder joints and thermal performance.

Lifecycle, Availability, and Sourcing

• Lifecycle status: Active (per STMicroelectronics product information)
• Stock status: Factory lead‑time item; check authorized distributors for current inventory
• Replacements: No direct replacements are listed in the provided data
• Regional availability: Global

Sourcing tips for STMicroelectronics VNQ5E250AJTR-E:

• Prefer franchised/authorized distributors to ensure genuine, traceable parts and access to ST quality documentation.
• Align deliveries with production ramps; the device’s TR packaging supports automated assembly.
• If your AVL requires multi‑source options, evaluate other ST VNQ5E family members for pin/function compatibility. For cross‑vendor alternatives, do a full electrical and thermal comparison; do not assume drop‑in compatibility.

Compliance and Quality

• Automotive: AEC‑Q100 qualification (device family)
• Environmental: RoHS compliant; ECOPACK/halogen‑free (‑E)

Documentation for compliance and quality is typically available via the product page. For PPAP, IMDS, or additional material declarations, contact ST or your authorized distributor with your specific program requirements.

Applications in Focus

• Automotive body electronics: Drive relays for window lifts, seat modules, or HVAC flaps; power solenoids in latches or valves; control exterior/interior lighting loads consistent with device limits.
• Industrial machines and PLC I/O: High‑side distribution for 24 V actuators and contactors; centralized protection and simplified wiring to field devices.
• LED and lamp loads: Provide protected high‑side switching; verify inrush and steady‑state current against the device’s allowable limits.

For each application, validate surge, inrush, and fault conditions against the device’s protection profile to avoid nuisance trips or thermal stress.

Ordering Information

• Orderable part: STMicroelectronics VNQ5E250AJTR-E
• Series: VNQ5E
• Package: PowerSSO‑16
• Packaging: Tape & Reel (TR)
• Product page: https://www.st.com/en/automotive-analog-and-power/vnq5e250aj.html
• Datasheet: https://www.st.com/resource/en/datasheet/vnq5e250aj.pdf

If your organization requires a specific moisture sensitivity level (MSL) handling plan or alternate packaging quantities, confirm with your distributor.

Frequently Asked Questions (FAQs)

Q: How many channels does the STMicroelectronics VNQ5E250AJTR-E provide?
A: Four independent high‑side MOSFET channels.

Q: What battery systems is it designed for?
A: It is intended for 12 V and 24 V applications, with nominal operation up to 28 V battery systems.

Q: What protections are integrated?
A: Overcurrent protection, thermal shutdown, short‑circuit protection, and ESD protection are indicated for the VNQ5E family/device. Always see the datasheet for detailed behavior and limits.

Q: What is the package and pin count?
A: PowerSSO‑16, 16 pins, surface‑mount.

Q: Is the VNQ5E250AJTR-E automotive‑qualified?
A: Yes, it is AEC‑Q100 automotive‑qualified per the product information provided.

Q: What is the on‑resistance per channel?
A: Approximately 500 mΩ is indicated in the product information. Confirm typical and maximum values, conditions, and temperature dependence in the datasheet before design freeze.

Q: What is the maximum continuous output current per channel?
A: Not specified in datasheet here. Refer to the official datasheet for guaranteed current ratings and thermal derating curves.

Q: Does the device include diagnostics or open‑load detection?
A: Not specified in datasheet here. Review the datasheet features and pin descriptions to determine available diagnostics and how to interface them to your ECU/PLC.

Q: What is the operating temperature range?
A: Not specified in datasheet here. Check the datasheet for the exact ambient/junction temperature ratings.

Q: What does the “‑E” suffix in VNQ5E250AJTR-E mean?
A: It denotes an ECOPACK/halogen‑free, RoHS‑compliant variant according to ST’s green packaging policy.

Resources

• STMicroelectronics product page: https://www.st.com/en/automotive-analog-and-power/vnq5e250aj.html
• Official datasheet: https://www.st.com/resource/en/datasheet/vnq5e250aj.pdf

Note: All features and parameters should be verified against the official STMicroelectronics datasheet prior to production. Do not design for performance beyond datasheet limits.