VNQ5050AKTR - 13A High-Side Driver | STMicroelectronics | Automotive
MPN： VNQ5050AKTR ✓ 啟用中VNQ5050AKTR 概覽
A high-side driver is a power management IC that connects a load to the positive supply rail, enabling safe and controlled switching of inductive, resistive, or capacitive loads. In automotive systems, high-side drivers are essential for driving lamps, solenoids, relays, and motors, providing diagnostic feedback and protection features that enhance system reliability. The VNQ5050AKTR belongs to the VIPower M0-5 family, which is known for its advanced protection and diagnostic capabilities.
Key features of the VNQ5050AKTR include a very low ON-state resistance (RDS(on)) of 50 mOhm typical, which minimizes power dissipation and supports high current handling. It offers a wide operating voltage range, a standby current of only 5 uA, and a comprehensive set of protection features including load current limitation, thermal shutdown with auto-restart, and loss of ground protection. The device also provides a status output for diagnostic feedback, enabling real-time monitoring of load conditions.
From a technical perspective, the VNQ5050AKTR utilizes ST's VIPower M0-5 technology, which integrates the power MOSFET with control and protection circuitry on a single chip. This integration reduces external component count and improves system reliability. The device supports PWM control up to 1 kHz, allowing for dimming or proportional control of loads. Its thermal shutdown feature protects the device and load from overtemperature conditions, while the current limitation prevents damage from short circuits.
Typical applications include automotive lighting (headlamps, tail lamps, interior lights), resistive and inductive loads such as relays and solenoids, and motor control in body control modules. The device's robust protection and diagnostic features make it ideal for safety-critical automotive systems. In industrial settings, it can be used for PLC outputs, factory automation, and general-purpose power switching.
When designing with the VNQ5050AKTR, ensure adequate PCB copper area for thermal dissipation, especially when driving high currents. The exposed pad on the PowerSSO-36 package should be connected to a large ground plane to improve thermal performance. Additionally, place a suitable capacitor close to the VCC pin to suppress voltage transients and ensure stable operation.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the STMicroelectronics datasheet, providing engineers with a comprehensive resource for selecting and implementing the VNQ5050AKTR.
直接替換替代品，適用於 VNQ5050AKTR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： VNQ5050AKTR （相同外形與佔位） — 差異在於 Diagnostic Output, Protection Features, Output Type, Package, Standby Current.
VNQ5050AK
📋 參考替代品（不在目錄中）
VNQ5050AKTR-Q1
📋 參考替代品（不在目錄中）
VNQ5050AK-E
📋 參考替代品（不在目錄中）
VNQ5050AKTR 最大額定值與電氣特性
| Supply Voltage Range | 4.5 V to 36 V |
| Output Current (Continuous) | 13 A (typical) |
| ON-State Resistance (RDS(on)) | 50 mOhm (typical) |
| Standby Current | 5 uA |
| PWM Frequency | Up to 1 kHz |
| 工作溫度範圍 | -40C to +150C |
| 封裝 | PowerSSO-36 |
| 安裝類型 | Surface Mount |
| Protection Features | Overcurrent, Overtemperature, Short-Circuit, Loss of Ground |
| Diagnostic Output | Status pin (open-drain) |
| Technology | VIPower M0-5 |
| RoHS 狀態 | Compliant |
| AEC-Q100 | Qualified |
| MSL 等級 | 3 (168 hours) |
| 輸出類型 | High-Side Switch |
VNQ5050AKTR 腳位配置
| 腳位 1 | VCC — Power supply input |
| 腳位 2 | OUT — High-side switch output |
| 腳位 3 | GND — Ground |
| 腳位 4 | STATUS — Diagnostic status output (open-drain) |
| 腳位 5 | IN — Control input |
| 腳位 6 | NC — Not connected |
| 腳位 7 | NC — Not connected |
| 腳位 8 | NC — Not connected |
| 腳位 9 | NC — Not connected |
| 腳位 10 | NC — Not connected |
| 腳位 11 | NC — Not connected |
| 腳位 12 | NC — Not connected |
| 腳位 13 | NC — Not connected |
| 腳位 14 | NC — Not connected |
| 腳位 15 | NC — Not connected |
| 腳位 16 | NC — Not connected |
| 腳位 17 | NC — Not connected |
| 腳位 18 | NC — Not connected |
| 腳位 19 | NC — Not connected |
| 腳位 20 | NC — Not connected |
| 腳位 21 | NC — Not connected |
| 腳位 22 | NC — Not connected |
| 腳位 23 | NC — Not connected |
| 腳位 24 | NC — Not connected |
| 腳位 25 | NC — Not connected |
| 腳位 26 | NC — Not connected |
| 腳位 27 | NC — Not connected |
| 腳位 28 | NC — Not connected |
| 腳位 29 | NC — Not connected |
| 腳位 30 | NC — Not connected |
| 腳位 31 | NC — Not connected |
| 腳位 32 | NC — Not connected |
| 腳位 33 | NC — Not connected |
| 腳位 34 | NC — Not connected |
| 腳位 35 | NC — Not connected |
| 腳位 36 | NC — Not connected |
典型應用
VNQ5050AKTR 適用於 6 應用s: Automotive Lighting, Industrial Automation, Body Control Modules, LED Lighting Systems, Motor Control, Power Distribution.
Automotive Lighting
The VNQ5050AKTR is ideal for automotive lighting applications such as headlamps, tail lamps, and interior lights. Its high current capability (13A) and low RDS(on) (50 mOhm) ensure efficient power delivery with minimal heat generation. The device supports PWM dimming up to 1 kHz, enabling dynamic lighting control. Its AEC-Q100 qualification guarantees reliable operation in harsh automotive environments, including extreme temperatures and vibration. The integrated protection features (overcurrent, overtemperature, short-circuit) safeguard the lighting system from faults, reducing the risk of failure. In a typical headlamp circuit, the VNQ5050AKTR is placed between the battery supply and the lamp, with the control input connected to a microcontroller GPIO. The status output provides diagnostic feedback, allowing the ECU to detect lamp failures. For high-beam applications, the device can handle the inrush current of halogen bulbs, which can be several times the steady-state current. The low standby current (5 uA) is crucial for minimizing battery drain when the lights are off. Overall, the VNQ5050AKTR enhances the reliability and efficiency of automotive lighting systems.
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Industrial Automation
In industrial automation, the VNQ5050AKTR is used for switching inductive and resistive loads in PLCs, factory automation, and robotic systems. Its wide supply voltage range (4.5V to 36V) accommodates various industrial power rails, including 24V systems. The device's robust protection features ensure safe operation in harsh industrial environments, where voltage transients and short circuits are common. The high-side configuration simplifies wiring and provides inherent short-circuit protection to ground. The status output enables remote diagnostics, allowing maintenance personnel to monitor load health without physical inspection. In a typical PLC output module, the VNQ5050AKTR is driven by a logic signal from the PLC's microcontroller, switching power to actuators such as solenoids and relays. The low RDS(on) minimizes power loss, reducing heat generation and improving energy efficiency. The device's thermal shutdown feature prevents damage from overtemperature conditions, ensuring long-term reliability. The PWM capability allows for proportional control of loads, such as variable-speed fans or heaters. Overall, the VNQ5050AKTR provides a reliable and efficient solution for industrial power switching.
推薦
Body Control Modules
The VNQ5050AKTR is a key component in automotive body control modules (BCMs), which manage various electrical loads such as windows, mirrors, and central locking. Its high current capability and multiple protection features make it suitable for driving motors and solenoids. The device's low standby current is essential for reducing battery drain when the vehicle is off. The status output provides diagnostic information, enabling the BCM to detect faults and alert the driver. In a typical BCM, the VNQ5050AKTR is controlled by a microcontroller via SPI or GPIO, switching power to different loads. The device's PWM capability allows for smooth motor speed control, such as for power windows. The integrated current limitation prevents damage from stalled motors, while thermal shutdown protects the device from overheating. The PowerSSO-36 package with exposed pad ensures efficient heat dissipation, even in confined spaces. The AEC-Q100 qualification ensures reliability over the vehicle's lifetime. Overall, the VNQ5050AKTR enhances the functionality and reliability of body control modules.
推薦
LED Lighting Systems
The VNQ5050AKTR is well-suited for LED lighting systems, including automotive LED headlamps and industrial LED lighting. Its high current capability and PWM support enable precise brightness control. The low RDS(on) minimizes power loss, improving energy efficiency and reducing heat generation. The device's protection features ensure safe operation, preventing damage from overcurrent or short circuits. In a typical LED lighting system, the VNQ5050AKTR is used as a high-side switch to control the LED string, with PWM dimming provided by a microcontroller. The status output can be used to detect LED failures, such as open circuits. The wide supply voltage range allows operation from various power sources, including 12V and 24V systems. The device's thermal performance is critical for LED applications, as LEDs generate significant heat; the PowerSSO-36 package with exposed pad helps dissipate this heat. The AEC-Q100 qualification makes it suitable for automotive LED lighting, where reliability is paramount. Overall, the VNQ5050AKTR provides a robust and efficient solution for LED lighting control.
推薦
Motor Control
The VNQ5050AKTR is used in motor control applications, such as driving DC motors in automotive and industrial systems. Its high current capability (13A) and low RDS(on) enable efficient motor operation. The device supports PWM control up to 1 kHz, allowing for variable speed control. The integrated protection features, including current limitation and thermal shutdown, protect the motor and the device from faults. In a typical motor control circuit, the VNQ5050AKTR is used as a high-side switch, with the motor connected between the output and ground. The PWM signal from a microcontroller controls the motor speed. The status output provides diagnostic feedback, such as detecting a stalled motor. The device's wide supply voltage range accommodates various motor voltages, from 12V to 24V. The PowerSSO-36 package ensures good thermal performance, which is essential for high-current motor applications. The AEC-Q100 qualification makes it suitable for automotive applications, such as power windows and wiper motors. Overall, the VNQ5050AKTR provides a reliable and efficient solution for motor control.
推薦
Power Distribution
The VNQ5050AKTR is used in power distribution systems, such as smart junction boxes and power distribution units in vehicles. Its high current capability and protection features make it ideal for distributing power to multiple loads. The device's diagnostic output enables monitoring of each load, allowing for early fault detection. The low standby current is crucial for reducing battery drain when the vehicle is off. In a typical power distribution system, the VNQ5050AKTR is used as a high-side switch for each load, controlled by a central microcontroller. The device's PWM capability allows for soft-start and dimming functions. The wide supply voltage range ensures compatibility with various power sources. The PowerSSO-36 package with exposed pad provides excellent thermal performance, which is important for high-current distribution. The AEC-Q100 qualification ensures reliability in automotive environments. Overall, the VNQ5050AKTR enhances the efficiency and reliability of power distribution systems.
推薦
推薦產品摘要
工程參考資料，適用於 VNQ5050AKTR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | VNQ5050AK | VNQ5050AKTR-Q1 | VNQ5050AK-E |
|---|---|---|---|---|
| Package | PowerSSO-36 | PowerSSO-36 - same | PowerSSO-36 - same | PowerSSO-36 - same |
| Output Current (Continuous) | 13 A | 13 A | 13 A | 13 A |
| RDS(on) (Typical) | 50 mOhm | 50 mOhm | 50 mOhm | 50 mOhm |
| Supply Voltage Range | 4.5V to 36V | 4.5V to 36V | 4.5V to 36V | 4.5V to 36V |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes |
| ESD Protection (HBM) | 4 kV | 4 kV | 4 kV | 8 kV |
| Packaging | Tape & Reel | Tray | Tape & Reel | Tape & Reel |
| Price (1 pc) | $3.42 | $3.42 | $3.60 | $3.50 |
主要差異化特點
- Tape-and-reel packaging for automated assembly (對比VNQ5050AK)
- Automotive grade qualification (對比VNQ5050AKTR-Q1)
- Enhanced ESD protection option (對比VNQ5050AK-E)
設計說明
The VNQ5050AKTR can dissipate significant power when driving high currents. For example, at 13A with RDS(on) of 50 mOhm, power dissipation is approximately 8.45W. The PowerSSO-36 package has a thermal resistance (junction-to-ambient) of 40 C/W, resulting in a temperature rise of 338C above ambient. Therefore, a large copper area on the PCB and proper thermal vias are essential to keep the junction temperature within the maximum rating of 150C. Use at least 2 square inches of copper pour connected to the exposed pad.
Place a 100nF ceramic capacitor close to the VCC pin to suppress high-frequency noise and voltage transients. Additionally, a 10uF electrolytic capacitor is recommended for bulk energy storage, especially when driving inductive loads. The exposed pad should be soldered to a large ground plane to improve thermal performance. Keep the trace from the output to the load as short and wide as possible to minimize inductance and resistance.
Do not exceed the absolute maximum supply voltage of 36V, as this can damage the device. Ensure the control input (IN) is properly driven with a logic-level signal; floating inputs can cause unpredictable switching. When driving inductive loads, the internal clamping diode handles demagnetization, but ensure the energy is within the device's capability. Also, avoid operating the device at currents above the continuous rating without adequate cooling.
合規資訊
RoHS compliant and AEC-Q100 qualified per STMicroelectronics product page. Halogen-free status not explicitly stated in the provided data.
