VNQ7140AJTR - 40mOhm Quad High-Side Driver | STMicroelectronics
MPN: VNQ7140AJTR β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.32 | $1.32 |
| 10 | $1.24 | $12.40 |
| 100 | $1.16 | $116.00 |
| 500 | $1.11 | $555.00 |
| 1,000 | $1.05 | $1,050.00 |
| 2,500 | $0.99 | $2,475.00 |
| 5,000 | $0.97 | $4,850.00 |
Drop-in alternatives for VNQ7140AJTR 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:
VNQ7140AJ
π Reference alternative (not in catalog)
VNQ7140AJTR-Q1
π Reference alternative (not in catalog)
VNQ7140AJTR-1
π Reference alternative (not in catalog)
VNQ7140AJTR Maximum Ratings & Electrical Characteristics
| Number of Channels | 4 |
| Output Type | High-Side |
| Supply Voltage Range | 4 V to 28 V |
| Continuous Output Current per Channel | 9 A |
| ON-Resistance (per channel) | 40 mOhm |
| Standby Current | 0.5 uA |
| Turn-On Time | 20 us |
| Turn-Off Time | 30 us |
| Operating Temperature Range | -40C to +150C |
| Package | PowerSSO-16 |
| Mounting Type | Surface Mount |
| AEC-Q100 Qualified | Yes |
| RoHS Compliant | Yes |
| Protection Features | Overcurrent, Overtemperature, Short-Circuit, Load Dump |
| Diagnostic Output | Current Sense |
VNQ7140AJTR Pin Configuration
| Pin 1 | IN1 β Input for channel 1 |
| Pin 2 | IN2 β Input for channel 2 |
| Pin 3 | IN3 β Input for channel 3 |
| Pin 4 | IN4 β Input for channel 4 |
| Pin 5 | GND β Ground |
| Pin 6 | OUT1 β Output for channel 1 |
| Pin 7 | OUT2 β Output for channel 2 |
| Pin 8 | OUT3 β Output for channel 3 |
| Pin 9 | OUT4 β Output for channel 4 |
| Pin 10 | CS β Current sense output |
| Pin 11 | VCC β Supply voltage |
| Pin 12 | VCC β Supply voltage |
| Pin 13 | GND β Ground |
| Pin 14 | GND β Ground |
| Pin 15 | GND β Ground |
| Pin 16 | GND β Ground |
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
VNQ7140AJTR is suitable for 6 applications: Automotive Body Control Module, Industrial PLC Output Stage, Smart Power Distribution, LED Lighting Control, Motor Control for Small DC Motors, Heated Seats and Mirrors.
Automotive Body Control Module
The VNQ7140AJTR is ideal for automotive body control modules (BCMs) that manage exterior and interior lighting, wiper motors, and door locks. Its AEC-Q100 qualification ensures reliability in harsh automotive environments. The 40mOhm ON-resistance minimizes power loss, while the 9A per-channel current capability drives high-power lamps and motors. The integrated protection features (overcurrent, overtemperature, short-circuit) safeguard the BCM and vehicle wiring. The current sense output enables diagnostics for open or shorted loads, which is critical for fault detection in modern vehicles. The wide supply voltage range (4V to 28V) accommodates load dump and cold-crank conditions. In a typical BCM, the VNQ7140AJTR is placed between the microcontroller and the load, with the MCU controlling the inputs via GPIO. The device's fast switching (20us turn-on) supports PWM dimming for interior lighting. For thermal management, the exposed pad must be soldered to a large copper area on the PCB to dissipate heat from continuous high-current operation. Compared to discrete MOSFETs, the VNQ7140AJTR simplifies design by integrating protection and diagnostics, reducing component count and board space.
Recommended
Industrial PLC Output Stage
In industrial programmable logic controllers (PLCs), the VNQ7140AJTR drives solenoids, relays, and indicator lamps. Its 24V supply compatibility matches standard industrial power rails. The 40mOhm ON-resistance reduces heat generation, allowing operation in sealed enclosures without active cooling. The overcurrent and short-circuit protection prevent damage to the PLC output stage and connected field devices. The current sense output provides feedback for load monitoring, enabling predictive maintenance. The device's robust design handles inductive loads with built-in demagnetization, essential for relay and solenoid drivers. In a typical PLC output module, the VNQ7140AJTR is connected to the backplane logic via optocouplers, with the outputs going to terminal blocks. The PowerSSO-16 package with exposed pad allows efficient heat transfer to the PCB, which is often mounted in a DIN-rail housing. The wide operating temperature range (-40C to +150C) ensures reliable operation in factory environments. Compared to using discrete MOSFETs, the VNQ7140AJTR simplifies the design by integrating protection and diagnostics, reducing component count and board space.
Recommended
Smart Power Distribution
The VNQ7140AJTR is used in smart power distribution units (PDUs) for automotive and industrial systems. It enables intelligent switching and protection of multiple loads from a central controller. The device's current sense output allows real-time monitoring of load currents, enabling load shedding and fault detection. The 40mOhm ON-resistance minimizes voltage drop, ensuring efficient power delivery. The integrated protection features prevent damage from short circuits and overloads, enhancing system safety. In a smart PDU, the VNQ7140AJTR is controlled by a microcontroller via SPI or I2C, with the current sense outputs fed back to the MCU for monitoring. The device's fast switching supports dynamic load management. The PowerSSO-16 package with exposed pad allows efficient heat dissipation, crucial for high-current distribution. The wide supply voltage range (4V to 28V) accommodates various power sources. Compared to using discrete MOSFETs, the VNQ7140AJTR simplifies design by integrating protection and diagnostics, reducing component count and board space.
Recommended
LED Lighting Control
The VNQ7140AJTR drives LED lighting modules in automotive and industrial applications. Its 40mOhm ON-resistance minimizes power loss, improving energy efficiency. The 9A per-channel current capability supports high-power LED arrays. The device's fast switching (20us turn-on) enables PWM dimming for brightness control. The current sense output allows monitoring of LED current for constant-current control or fault detection. The integrated protection features prevent damage from LED short circuits or open circuits. In a typical LED lighting system, the VNQ7140AJTR is placed between the power supply and the LED module, with the MCU controlling the inputs via PWM. The device's wide supply voltage range (4V to 28V) accommodates various LED driver topologies. The PowerSSO-16 package with exposed pad allows efficient heat dissipation, crucial for high-power LED applications. Compared to using discrete MOSFETs, the VNQ7140AJTR simplifies design by integrating protection and diagnostics, reducing component count and board space.
Recommended
Motor Control for Small DC Motors
The VNQ7140AJTR drives small DC motors in automotive and industrial applications, such as window lifts, seat adjusters, and cooling fans. Its 9A per-channel current capability handles motor inrush currents. The 40mOhm ON-resistance minimizes power loss, improving efficiency. The integrated overcurrent and overtemperature protection prevent motor and driver damage. The current sense output enables motor current monitoring for stall detection or speed control. The device's fast switching supports PWM speed control. In a typical motor control application, the VNQ7140AJTR is used as a high-side switch in an H-bridge configuration, with the MCU controlling the inputs. The device's output clamping handles inductive kickback from the motor. The PowerSSO-16 package with exposed pad allows efficient heat dissipation, crucial for continuous motor operation. The wide supply voltage range (4V to 28V) accommodates various motor voltages. Compared to using discrete MOSFETs, the VNQ7140AJTR simplifies design by integrating protection and diagnostics, reducing component count and board space.
Recommended
Heated Seats and Mirrors
The VNQ7140AJTR drives heating elements in automotive heated seats and mirrors. Its 40mOhm ON-resistance minimizes power loss, improving heating efficiency. The 9A per-channel current capability supports high-power heating elements. The integrated overcurrent and overtemperature protection prevent damage from short circuits or overheating. The current sense output enables monitoring of heating current for temperature control. The device's fast switching supports PWM control for temperature regulation. In a typical heated seat application, the VNQ7140AJTR is placed between the battery and the heating element, with the MCU controlling the input via PWM. The device's wide supply voltage range (4V to 28V) accommodates battery voltage variations. The PowerSSO-16 package with exposed pad allows efficient heat dissipation, crucial for continuous heating operation. The AEC-Q100 qualification ensures reliability in automotive environments. Compared to using discrete MOSFETs, the VNQ7140AJTR simplifies design by integrating protection and diagnostics, reducing component count and board space.
Recommended
Recommended Products Summary
Engineering reference data for VNQ7140AJTR β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | VNQ7140AJ | VNQ7140AJTR-Q1 | VNQ7140AJTR-1 |
|---|---|---|---|---|
| Package | PowerSSO-16 | PowerSSO-16 | PowerSSO-16 | PowerSSO-16 |
| Number of Channels | 4 | 4 | 4 | 4 |
| Supply Voltage Range | 4V to 28V | 4V to 28V | 4V to 28V | 4V to 28V |
| Continuous Output Current per Channel | 9A | 9A | 9A | 9A |
| ON-Resistance | 40mOhm | 40mOhm | 40mOhm | 40mOhm |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes |
| Standby Current | 0.5uA | 0.5uA | 0.5uA | 0.5uA |
| Diagnostic Output | Current Sense | Current Sense | Current Sense | Current Sense |
Key Differentiators
- Low ON-resistance of 40mOhm per channel (vs VNQ7140AJ)
- AEC-Q100 qualification (vs VNQ7140AJTR-Q1)
- Current sense diagnostic output (vs VNQ7140AJTR-1)
Design Notes
The VNQ7140AJTR can dissipate significant power when driving high currents. For example, at 9A per channel with 40mOhm ON-resistance, each channel dissipates 3.24W. With all four channels active, total dissipation is 12.96W. The PowerSSO-16 package has a thermal resistance of 40C/W (theta_JA) with exposed pad. Ensure the exposed pad is soldered to a large copper area (at least 2 square inches) to keep junction temperature below 150C. For continuous operation at high currents, consider adding a heatsink or forced air cooling.
Place the VNQ7140AJTR close to the load to minimize trace inductance and resistance. Use wide traces for the output and supply connections to handle high currents. The exposed pad must be connected to the ground plane with multiple vias for thermal and electrical performance. Decouple the VCC pin with a 100nF ceramic capacitor and a 10uF electrolytic capacitor placed close to the device. For the current sense output, use a low-pass filter (e.g., 1kOhm resistor and 10nF capacitor) to reduce noise.
Do not exceed the absolute maximum supply voltage of 28V, as this can damage the device. When driving capacitive loads, the inrush current may trigger overcurrent protection; consider adding a soft-start capacitor or using a higher current limit. Ensure the input pins are not left floating; use pull-down resistors to keep the outputs off during power-up. The current sense output is only valid when the channel is on; do not rely on it for diagnostics when the channel is off.
Compliance Information
RoHS compliant per ST product page. AEC-Q100 qualified for automotive applications.
