VNQ7050AJTR - 40V 40mOhm High-Side Driver | STMicroelectronics
MPN: VNQ7050AJTR β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.28 | $228.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.82 | $1,820.00 |
Drop-in alternatives for VNQ7050AJTR β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
VNQ7050AJTR-Q1
β Drop-Inπ Reference alternative (not in catalog)
VNQ7050AJTR Maximum Ratings & Electrical Characteristics
| Number of Channels | 4 |
| Supply Voltage Range | 4.5 V to 40 V |
| Maximum Output Current per Channel | 9 A |
| On-State Resistance (typ) | 40 mOhm |
| Standby Current | 0.5 uA |
| Operating Temperature Range | -40C to +150C |
| Package | PowerSSO-16 |
| Mounting Type | Surface Mount |
| Diagnostic Output | Open-drain status per channel |
| Protection Features | Undervoltage, overvoltage, overcurrent, thermal shutdown |
| Switching Frequency | [DATA_NEEDED: switching frequency] |
| AEC-Q100 Qualified | Yes |
| RoHS Compliant | Yes |
| MSL Level | [DATA_NEEDED: MSL level] |
| Thermal Resistance (junction-to-ambient) | [DATA_NEEDED: thermal resistance] |
VNQ7050AJTR Pin Configuration
| Pin 1 | OUT1 β Output channel 1 |
| Pin 2 | OUT2 β Output channel 2 |
| Pin 3 | OUT3 β Output channel 3 |
| Pin 4 | OUT4 β Output channel 4 |
| Pin 5 | GND β Ground |
| Pin 6 | GND β Ground |
| Pin 7 | DIAG1 β Diagnostic output channel 1 |
| Pin 8 | DIAG2 β Diagnostic output channel 2 |
| Pin 9 | DIAG3 β Diagnostic output channel 3 |
| Pin 10 | DIAG4 β Diagnostic output channel 4 |
| Pin 11 | IN1 β Input control channel 1 |
| Pin 12 | IN2 β Input control channel 2 |
| Pin 13 | IN3 β Input control channel 3 |
| Pin 14 | IN4 β Input control channel 4 |
| Pin 15 | VCC β Supply voltage |
| Pin 16 | VCC β Supply voltage |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
VNQ7050AJTR is suitable for 6 applications: Automotive Body Control Module, LED Lighting Control, DC Motor Control, Industrial PLC Outputs, Relay and Solenoid Replacement, Battery Management Systems.
Automotive Body Control Module
The VNQ7050AJTR is ideal for automotive body control modules (BCMs) that manage lighting, wipers, and door locks. Its quad-channel configuration allows driving multiple loads from a single IC, reducing board space and component count. The device's AEC-Q100 qualification ensures reliability in harsh automotive environments, and its low standby current (0.5uA) minimizes battery drain when the vehicle is off. The integrated protection features (overcurrent, overtemperature, undervoltage) safeguard the BCM and connected loads from faults, while the diagnostic outputs enable fault detection and reporting to the ECU. In a typical BCM, the VNQ7050AJTR can drive exterior lamps, interior lighting, and small motors, with PWM capability for dimming or speed control. The PowerSSO-16 package's exposed pad aids thermal management, allowing continuous operation at high ambient temperatures. Designers should ensure adequate PCB copper area for heat dissipation and place decoupling capacitors near the supply pins to handle inrush currents.
Recommended
LED Lighting Control
The VNQ7050AJTR is well-suited for LED lighting control in automotive and industrial applications. Its fast switching capability enables PWM dimming at frequencies up to [DATA_NEEDED: switching frequency], allowing precise brightness control. The low on-state resistance (40mOhm) minimizes power loss, improving overall system efficiency. Each channel can drive multiple LED strings in parallel, with current limitation protecting against LED failures. The device's overvoltage clamp protects against load dump transients, common in automotive electrical systems. In a typical LED lighting application, the VNQ7050AJTR is placed between the battery supply and the LED array, with a microcontroller providing PWM signals to the input pins. The diagnostic outputs can be used to detect open or shorted LED strings, enabling fault reporting. For thermal management, the exposed pad should be soldered to a large copper area to dissipate heat generated by the LEDs and the driver. Designers should consider the total power dissipation and ensure the junction temperature stays within the rated range.
Recommended
DC Motor Control
The VNQ7050AJTR can be used to control DC motors in automotive and industrial applications, such as window lifts, seat adjusters, and cooling fans. Its high current capability (9A per channel) and low on-resistance make it suitable for driving motors directly, eliminating the need for external MOSFETs. The device's built-in demagnetization energy handling safely manages the inductive kickback when the motor is switched off, protecting the driver and the power supply. In a typical motor control application, the VNQ7050AJTR is used as a high-side switch, with the motor connected between the output and ground. PWM control can be applied to the input to vary motor speed. The diagnostic outputs can detect stall conditions (overcurrent) and overtemperature, allowing the system to take corrective action. For bidirectional control, two channels can be used in an H-bridge configuration, but the VNQ7050AJTR is not designed for that; a dedicated H-bridge driver is recommended. Thermal management is critical when driving motors continuously at high current, so adequate PCB cooling is essential.
Recommended
Industrial PLC Outputs
The VNQ7050AJTR is suitable for industrial programmable logic controller (PLC) output modules, where it can drive solenoids, relays, and indicator lamps. Its robust protection features (overcurrent, overtemperature, undervoltage) ensure reliable operation in industrial environments with frequent load switching. The device's wide supply voltage range (4.5V to 40V) accommodates various industrial supply rails, and its low standby current is beneficial for power-sensitive applications. In a typical PLC output module, the VNQ7050AJTR is used to switch 24V DC loads, with the microcontroller providing control signals. The diagnostic outputs can be read by the PLC to detect load faults, improving system diagnostics. The PowerSSO-16 package is compact, allowing high channel density on the PCB. Designers should consider the thermal dissipation when driving multiple channels simultaneously and provide adequate cooling. The device's current limitation feature protects the PLC output from short circuits, reducing downtime.
Recommended
Relay and Solenoid Replacement
The VNQ7050AJTR can replace electromechanical relays and solenoids in automotive and industrial applications, offering faster switching, longer lifetime, and built-in diagnostics. Its low on-resistance reduces power dissipation compared to relay contacts, and its solid-state design eliminates mechanical wear. The device's demagnetization energy handling allows it to drive inductive loads such as solenoids without external flyback diodes. In a typical relay replacement application, the VNQ7050AJTR is used to switch a load such as a horn or a fuel pump, with the microcontroller providing the control signal. The diagnostic outputs can detect open or shorted loads, improving system reliability. The device's overcurrent protection prevents damage from wiring faults. When replacing a relay, the designer must consider the thermal performance of the PowerSSO-16 package, as continuous high current may require additional cooling. The VNQ7050AJTR's fast switching capability also enables PWM control for applications like proportional solenoids.
Recommended
Battery Management Systems
The VNQ7050AJTR can be used in battery management systems (BMS) for load disconnection and protection. Its low standby current (0.5uA) is critical for minimizing battery drain when the system is idle. The device's overvoltage clamp protects against voltage spikes, and its undervoltage shutdown prevents deep discharge. In a typical BMS, the VNQ7050AJTR is used as a high-side switch to disconnect the load when the battery voltage drops below a threshold or when a fault is detected. The diagnostic outputs can be monitored by the BMS controller to detect overcurrent or overtemperature conditions. The device's wide supply voltage range (4.5V to 40V) accommodates various battery chemistries and configurations. For high-current applications, multiple channels can be paralleled to increase current capability, but careful thermal management is required. The PowerSSO-16 package's exposed pad aids heat dissipation, ensuring reliable operation in enclosed battery packs.
Recommended
Recommended Products Summary
Engineering reference data for VNQ7050AJTR β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | VNQ7050AJTR-Q1 | VNQ7050AKTR | BTS7008-2EPA |
|---|---|---|---|---|
| Package | PowerSSO-16 | PowerSSO-16 (same) | PowerSSO-24 (different) | TSDSO-14 (different) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | Infineon |
| Number of Channels | 4 | 4 | 4 | 2 |
| Supply Voltage Range | 4.5V to 40V | 4.5V to 40V | 4.5V to 40V | 4.5V to 40V |
| On-State Resistance (typ) | 40 mOhm | 40 mOhm | 40 mOhm | 8 mOhm |
| Maximum Output Current per Channel | 9 A | 9 A | 9 A | 10 A |
| Standby Current | 0.5 uA | 0.5 uA | 0.5 uA | [DATA_NEEDED] |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes |
Key Differentiators
- Quad-channel configuration in a compact PowerSSO-16 package (vs BTS7008-2EPA)
- Ultra-low standby current of 0.5uA (vs BTS7008-2EPA)
- AEC-Q100 qualified for automotive use (vs VNQ7050AKTR)
Design Notes
The PowerSSO-16 package has an exposed pad that must be soldered to a PCB copper area for effective heat dissipation. For continuous operation at high currents, ensure the PCB has sufficient copper area (at least 1 square inch) and thermal vias to conduct heat away from the package. The thermal resistance junction-to-ambient (theta_JA) is [DATA_NEEDED: thermal resistance], so calculate the junction temperature using Tj = Ta + (P * theta_JA) to ensure it stays below the maximum rating of 150C.
Place a 100nF ceramic capacitor and a 10uF electrolytic capacitor close to the VCC pins to decouple the supply and handle inrush currents. The diagnostic pins (DIAG1-4) should have pull-up resistors to the microcontroller's supply voltage, as they are open-drain outputs. Keep the input control lines (IN1-4) short and away from high-current traces to avoid noise coupling.
Do not exceed the absolute maximum supply voltage of 40V, as this can damage the device. When driving inductive loads, ensure the demagnetization energy is within the device's capability; the datasheet provides a demagnetization energy curve. Avoid connecting the outputs in parallel without proper current sharing, as this can cause uneven current distribution and thermal issues. Always provide a proper ground connection and ensure the exposed pad is soldered for thermal and electrical continuity.
Compliance Information
RoHS compliant per STMicroelectronics product page. AEC-Q100 qualified for automotive applications.
