VNHD7012AY - Automotive H-Bridge Motor Driver | STMicroelectronics
料号： VNHD7012AY ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.65 | $76.50 |
| 100 | $6.8 | $680.00 |
| 500 | $6.12 | $3,060.00 |
| 1,000 | $5.44 | $5,440.00 |
VNHD7012AY 概述
An H-bridge motor driver is a power management IC that controls the direction and speed of a DC motor by selectively switching four transistors in an 'H' configuration. It is a critical component in automotive systems such as power windows, seat adjusters, steering column actuators, and HVAC actuators. The VNHD7012AY belongs to the VIPower M0-7 family, which combines a true PowerMOSFET with intelligent signal and protection circuitry on a single die, simplifying design and improving reliability.
Key features include a wide operating voltage range of 4V to 28V, a maximum output current of 38A (as referenced in the EV-VNHD7012AY reference design), and a low ON-state resistance that minimizes power dissipation. The device provides comprehensive protection including load current limitation, overtemperature shutdown, overvoltage clamp, and loss of ground protection. It also features a PWM input for speed control and a diagnostic output for fault detection.
The VNHD7012AY uses STMicroelectronics' proprietary VIPower technology, which integrates a vertical power MOSFET with intelligent control circuitry. This architecture enables efficient switching, low quiescent current, and robust protection against automotive transients. The PowerSSO-36 package, with its exposed pad, provides a thermal resistance suitable for high-current applications when properly connected to a PCB copper area.
Typical applications include automotive DC motor driving for power windows, sunroofs, seat adjustment, steering column tilt/telescope, and HVAC actuators. The device is also suitable for industrial DC motor control where 12V or 24V supplies are used. Its high current capability and protection features make it ideal for driving motors that require bidirectional control and PWM speed regulation.
When designing with the VNHD7012AY, ensure adequate PCB copper area for thermal management, especially at high output currents. The two external low-side MOSFETs must be selected to match the motor's current and voltage requirements, and proper gate drive connections must be made to the device's gate driver outputs.
直接替换替代料： VNHD7012AY ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： VNHD7012AY （相同外形与封装尺寸） ——差异在于 Package.
快速对比工具——选择替代料号进行并排对比：
VNHD7008AY
✅ 直接替换📋 参考替代料（不在目录中）
VNHD7012AYTR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.82 / 个
查看数据手册 →VNHD7008AYTR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
VNHD7012AY 最大额定值与电气特性
| 功能 | H-bridge motor driver |
| Supply Voltage Range | 4 V to 28 V |
| 最大输出电流 | 38 A (reference design) |
| 输出配置 | Dual high-side driver + external low-side MOSFET drivers |
| 封装 | PowerSSO-36 (exposed pad) |
| 安装类型 | Surface Mount |
| Technology | VIPower M0-7 |
| PWM Input | Yes |
| Diagnostic Output | Yes |
| Protection Features | Load current limitation, overtemperature, overvoltage clamp, loss of ground |
| RoHS 状态 | Compliant |
| AEC-Q100 | Qualified (automotive) |
VNHD7012AY 引脚配置
| 引脚 1 | VS — Battery supply voltage |
| 引脚 2 | GND — Ground |
| 引脚 3 | IN1 — PWM input for high-side driver 1 |
| 引脚 4 | IN2 — PWM input for high-side driver 2 |
| 引脚 5 | OUT1 — High-side driver output 1 |
| 引脚 6 | OUT2 — High-side driver output 2 |
| 引脚 7 | GATE1 — Gate drive output for external low-side MOSFET 1 |
| 引脚 8 | GATE2 — Gate drive output for external low-side MOSFET 2 |
| 引脚 9 | DIAG — Diagnostic output |
| 引脚 10 | EN — Enable input |
| 引脚 11 | VCC — Logic supply voltage |
| 引脚 12 | GND — Ground |
典型应用
VNHD7012AY 适用于 6 应用s: Power Window Motors, Steering Column Actuators, HVAC Actuators, Seat Adjustment Motors, Sunroof Motors, Industrial DC Motor Control.
Power Window Motors
The VNHD7012AY is ideal for power window motors in automotive applications. Its high current capability (up to 38A) and robust protection features ensure reliable operation under varying load conditions. The device's PWM input allows precise speed control, and its diagnostic output enables fault detection. In a typical power window system, the VNHD7012AY drives the window motor in both directions, with the external low-side MOSFETs completing the H-bridge. The device's overvoltage clamp protects against load dump transients, while the overtemperature shutdown prevents damage during prolonged operation. The PowerSSO-36 package with exposed pad ensures efficient heat dissipation, critical for high-current motor driving.
推荐
Steering Column Actuators
The VNHD7012AY is specifically recommended for steering column actuators, as highlighted in an Electronics For You article. The device's high current capability and low ON-state resistance minimize power dissipation, which is crucial for continuous operation. The integrated protection features, including load current limitation and overtemperature shutdown, ensure safe operation in the event of a stalled motor. The PWM input allows smooth speed control, and the diagnostic output provides real-time fault monitoring. The PowerSSO-36 package's exposed pad enhances thermal performance, making it suitable for the confined spaces of a steering column. The device's AEC-Q100 qualification ensures reliability in harsh automotive environments.
推荐
HVAC Actuators
The VNHD7012AY is well-suited for HVAC actuators in automotive climate control systems. These actuators require precise bidirectional control and reliable operation over a wide temperature range. The device's 4V to 28V supply range accommodates both 12V and 24V systems, and its PWM input enables accurate position control. The integrated protection features, such as overvoltage clamp and loss of ground protection, safeguard the device against automotive transients. The diagnostic output allows the HVAC control module to detect faults and take corrective action. The PowerSSO-36 package's thermal performance ensures reliable operation even in high-temperature environments near the engine compartment.
推荐
Seat Adjustment Motors
The VNHD7012AY is ideal for seat adjustment motors, which require high torque and bidirectional control. The device's high current capability (up to 38A) ensures it can handle the inrush current of a stalled motor. The PWM input allows smooth speed control, and the diagnostic output provides fault detection for the seat control module. The integrated protection features, including load current limitation and overtemperature shutdown, protect the device and motor from damage. The PowerSSO-36 package with exposed pad ensures efficient heat dissipation, critical for continuous operation. The device's AEC-Q100 qualification guarantees reliability in automotive applications.
推荐
Sunroof Motors
The VNHD7012AY is suitable for sunroof motors, which require reliable bidirectional control and anti-pinch protection. The device's high current capability and PWM input enable precise speed control, while the diagnostic output allows the sunroof control module to detect obstructions. The integrated protection features, such as overvoltage clamp and loss of ground protection, ensure safe operation in automotive environments. The PowerSSO-36 package's thermal performance is adequate for the intermittent operation of sunroof motors. The device's AEC-Q100 qualification ensures long-term reliability.
推荐
Industrial DC Motor Control
The VNHD7012AY can be used in industrial DC motor control applications where 12V or 24V supplies are available. Its high current capability and robust protection features make it suitable for driving motors in conveyor systems, pumps, and actuators. The PWM input allows speed control, and the diagnostic output provides fault monitoring. The device's wide supply voltage range and thermal performance make it versatile for various industrial environments. The PowerSSO-36 package is easy to integrate into PCB designs, and the exposed pad aids in heat dissipation.
推荐
推荐产品汇总
工程参考数据： VNHD7012AY ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | VNHD7008AY | VNHD7012AYTR | VNHD7008AYTR | BTN8982TA | MC33887 |
|---|---|---|---|---|---|---|
| Package | PowerSSO-36 | PowerSSO-36 (same) | PowerSSO-36 (same) | PowerSSO-36 (same) | PG-TO263-7 (different) | PQFN-54 (different) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Infineon | NXP Semiconductors |
| Supply Voltage Range | 4V to 28V | 4V to 28V | 4V to 28V | 4V to 28V | 8V to 18V | 5V to 28V |
| Maximum Output Current | 38A | 8A | 38A | 8A | 30A | 5A |
| Output Configuration | Dual high-side + external low-side | Dual high-side + external low-side | Dual high-side + external low-side | Dual high-side + external low-side | Integrated H-bridge | Integrated H-bridge |
| PWM Input | Yes | Yes | Yes | Yes | Yes | Yes |
| Diagnostic Output | Yes | Yes | Yes | Yes | Yes | Yes |
| AEC-Q100 | Qualified | Qualified | Qualified | Qualified | Qualified | Qualified |
关键差异点
- High current capability of 38A （对比 VNHD7008AY)
- VIPower M0-7 technology （对比 BTN8982TA)
- AEC-Q100 qualification （对比 MC33887)
设计说明
The VNHD7012AY is housed in a PowerSSO-36 package with an exposed pad. For high-current applications (e.g., 38A), ensure the exposed pad is soldered to a large copper area on the PCB to dissipate heat effectively. Use thermal vias to connect the pad to inner and bottom layers. The thermal resistance can be reduced by increasing the copper area, which is critical for maintaining junction temperature within safe limits.
Place the external low-side MOSFETs close to the VNHD7012AY to minimize gate drive loop inductance. Use separate ground planes for power and logic to reduce noise coupling. Decouple the VCC pin with a 100nF ceramic capacitor and the VS pin with a 10uF electrolytic capacitor placed near the device. Ensure the gate drive outputs (GATE1, GATE2) have proper routing to the MOSFET gates with minimal trace length.
Do not exceed the maximum supply voltage of 28V, as this can damage the device. Ensure the external low-side MOSFETs are rated for the motor's stall current and the supply voltage. The PWM frequency should be selected based on the motor's characteristics and the MOSFET's switching losses. Avoid operating the device without a proper heatsink or copper area at high currents, as this can lead to overtemperature shutdown.
合规信息
RoHS compliant per STMicroelectronics product page. AEC-Q100 qualified for automotive applications.
