VNH3SP30-E - 30A Automotive H-Bridge Motor Driver | STMicroelectronics
料号： VNH3SP30-E ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.85 | $58.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.1 | $4,100.00 |
VNH3SP30-E 概述
What is an H-bridge motor driver? An H-bridge is a four-switch topology that can drive a brushed DC motor in both directions by reversing the polarity of the applied voltage. Integrated H-bridge ICs combine the four power switches, gate drivers, current sensing, and protection (over-current, over-temperature, under-voltage, cross-conduction prevention) into a single package. This category sits within the broader taxonomy of motor drivers -> motion control ICs -> power management ICs -> semiconductors. The MultiPowerSO-30 package exposes the power die to a top-side thermal pad so heat can be sunk directly to a heatsink or chassis.
Key features include 30 A continuous DC output current, 60 A peak transient capability, very low Rds(on) of approximately 9 mOhm per high-side + low-side leg, integrated PWM current control, and built-in diagnostics. The logic inputs accept 5 V CMOS signals and the device supports PWM frequencies up to 10 kHz for speed/torque regulation. The MultiPowerSO-30 package provides a low thermal resistance path enabling high-current operation without external cooling up to the datasheet rating.
Typical applications include automotive DC motor control such as window lifts, seat adjusters, sunroof drives, door locks, wiper systems, and small electric vehicle traction. Industrial uses include robotic actuators, conveyor drives, valve positioning, and battery-powered equipment where a compact, fully-protected H-bridge is required.
When designing with the VNH3SP30-E, observe the datasheet SOA at high currents - the junction-to-ambient thermal resistance limits continuous current without a heatsink. Use a low-ESR supply bypass close to VCC, and provide a reverse-battery protection diode or P-MOSFET on the supply line because the IC does not include reverse-polarity protection internally.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, organized for engineers evaluating the VNH3SP30-E for automotive or industrial motor-drive designs.
直接替换替代料： VNH3SP30-E ——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： VNH3SP30-E （相同外形与封装尺寸） ——差异在于 Package, Mounting Type, Supply Voltage Range, Automotive Qualification, Control Interface.
快速对比工具——选择替代料号进行并排对比：
VNH3SP30TR-E
✅ 直接替换✓ 有现货
$5.8 / 个
查看数据手册 →VNH5019A-E
✅ 直接替换📋 参考替代料（不在目录中）
VNH3SP30-E 最大额定值与电气特性
| 功能 | Full-bridge DC motor driver (H-bridge) |
| 拓扑 | Dual high-side driver + 2 low-side switches |
| Supply Voltage Range | 5.5 V to 36 V |
| Continuous Output Current | 30 A DC |
| Peak Output Current (transient) | 60 A |
| Rds(on) per leg (typ) | 9 mOhm (HS + LS combined) |
| Logic Input Compatibility | 5 V CMOS |
| PWM Frequency (max) | 10 kHz |
| 工作温度范围 | -40 C to +150 C (junction) |
| 封装 | MultiPowerSO-30 (PowerSO-30) |
| Thermal Resistance (junction-case) | 1.5 C/W (typ, with thermal pad) |
| Protection Features | Over-current, over-temperature, under-voltage, cross-conduction prevention |
| Charge Pump | Integrated |
| 安装类型 | Surface Mount (with exposed thermal pad) |
| Automotive Qualified | Yes (AEC-Q100, automotive grade) |
| RoHS 状态 | Compliant |
VNH3SP30-E 1.5 c/w (typ, with thermal pad) 引脚配置指南
VNH3SP30-E（1.5 c/w (typ, with thermal pad) 封装）的引脚配置。 该功率器件具有栅极、漏极和源极端子。对于无极性封装，请参阅制造商数据手册以了解确切的引脚 1 方向和封装尺寸细节。常见应用包括电源设计、电机驱动和负载开关。
暂无详细引脚数据： VNH3SP30-E.
请参阅 数据手册 以查看完整引脚配置。
典型应用
VNH3SP30-E 适用于 6 应用s: Automotive Power Window Lift, Power Seat Adjuster Drive, Sunroof and Sliding Roof Drive, Wiper System Motor Control, Door Lock Actuator Drive, Industrial 24V Conveyor Drive.
Automotive Power Window Lift
The VNH3SP30-E is well suited to automotive power window lift motors. With a 30 A continuous / 60 A peak current rating it can drive the stall-current pulses of a typical window motor at 12 V without external MOSFETs. The 5.5 V to 36 V supply range covers 12 V automotive rails including load-dump transients, and the integrated protections (over-current, over-temperature, under-voltage) prevent field failures from stalled linkages or pinched cables. Connect the motor between OUT_A and OUT_B, drive INA/INB for direction, and feed PWM for speed control and anti-pinch current sensing. AEC-Q100 qualification makes it directly usable in automotive ECUs. Compared with discrete H-bridges, the integrated part saves roughly 30-40 mm^2 of PCB area.
推荐
Power Seat Adjuster Drive
Electric seat adjustment requires bidirectional torque on a DC motor with stall currents of 20-30 A. The VNH3SP30-E delivers 30 A continuous from a single MultiPowerSO-30 package, eliminating the four discrete MOSFETs plus gate driver normally required. The integrated charge pump drives the high-side N-channel MOSFETs, and the diagnostic output simplifies end-of-line testing on the seat assembly line. With 5 V CMOS logic compatibility it interfaces directly to body-control MCUs without level shifters. The 1.5 C/W junction-to-case thermal resistance (with proper heatsink) keeps junction temperature in check under continuous stall conditions during seat calibration.
推荐
Sunroof and Sliding Roof Drive
Sunroof actuators require smooth bidirectional control with anti-trap current sensing. The VNH3SP30-E's PWM input accepts a 0-10 kHz duty cycle that the firmware uses to limit stall current and detect obstructions via motor current feedback. The device's 60 A peak transient rating handles the inrush of cold-weather sunroof starts at -40 C, while the integrated under-voltage lockout prevents operation that could brown out the body-control network. Surface-mount MultiPowerSO-30 packaging simplifies integration into the roof-console PCB. The 9 mOhm Rds(on) per leg keeps conduction losses manageable during extended creep speeds used for one-touch express-close functions.
推荐
Wiper System Motor Control
Windshield wiper motors draw 15-25 A at 12 V with peak transients when the blade reverses. The VNH3SP30-E handles these loads with margin, while its 5.5 V to 36 V input range tolerates cranking-dip and load-dump events without malfunction. The integrated cross-conduction prevention eliminates the dead-time circuit normally needed with discrete H-bridges, improving low-speed torque control. Park-position sensing via motor current feedback (using the VNH3SP30-E's PWM current sense) simplifies the wiper linkage by removing mechanical switches. AEC-Q100 automotive qualification allows direct deployment in the BCM or wiper ECU without additional qualification testing.
推荐
Door Lock Actuator Drive
Door lock actuators are short-pulse, high-current loads where the VNH3SP30-E's 60 A peak transient rating handles the initial unlock jolt that overcomes the detent. After the pulse, the motor coasts and the IC returns to idle with low quiescent current. The MultiPowerSO-30 package's top-side thermal pad allows the IC to be mounted directly to the door-module PCB copper or aluminum chassis, dissipating the pulse energy efficiently. Reverse-polarity protection must be added externally (a P-MOSFET or Schottky diode on VCC) because the IC lacks internal reverse-battery blocking. The compact BOM reduces door-module cost and weight.
推荐
Industrial 24V Conveyor Drive
Outside automotive, the VNH3SP30-E drives 24 V brushed DC conveyor motors in industrial automation. Its 36 V absolute-maximum supply rating comfortably covers 24 V industrial rails plus transient spikes from VFDs and motor relays. The 30 A continuous current drives gear-motors up to roughly 700 W mechanical output, while integrated protections prevent damage during jammed-belt events. PWM speed control from a 3.3 V or 5 V PLC output enables closed-loop velocity control via the motor's incremental encoder. The MultiPowerSO-30 package mounts to a backplane heatsink, simplifying the panel design versus discrete MOSFET bridges.
推荐
推荐产品汇总
工程参考数据： VNH3SP30-E ——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 | VNH3SP30TR-E | VNH5019A-E | VNH3SP30 |
|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | MultiPowerSO-30 | MultiPowerSO-30 - same | MultiPowerSO-30 - same | MultiPowerSO-30 - same |
| Continuous Output Current | 30 A | 30 A | 30 A | 30 A |
| Supply Voltage Range | 5.5 V to 36 V | 5.5 V to 36 V | 5.5 V to 36 V | 5.5 V to 28 V |
| Logic Input Compatibility | 5 V CMOS | 5 V CMOS | 3.3 V and 5 V CMOS | 5 V CMOS |
| Automotive Grade (AEC-Q100) | Yes | Yes | Yes | No (commercial/industrial grade) |
关键差异点
- Newer generation with 3.3V logic support in same package （对比 VNH3SP30TR-E)
- AEC-Q100 automotive qualification （对比 VNH3SP30 (no -E suffix))
- Fully integrated H-bridge in MultiPowerSO-30 （对比 VNH3SP30TR-E)
设计说明
Estimated: at 30 A continuous load with Rds(on) of 9 mOhm per leg, total conduction loss is approximately 30^2 x 0.018 = 16.2 W. With theta_JC of 1.5 C/W and a thermal pad bolted to an aluminum heatsink, junction-to-heatsink thermal resistance stays around 2-3 C/W. Without a heatsink, junction-to-ambient rises sharply and the IC will trip over-temperature protection within seconds at full load. For sustained 30 A operation, attach the package's top-side thermal pad to a copper spreader or aluminum chassis with thermal compound.
The VNH3SP30-E does NOT include reverse-battery protection. Add an external P-MOSFET (or Schottky diode rated above peak motor current) on the VCC line to survive a reversed supply connection, which is a common automotive fault. Also add a TVS diode (e.g. 36 V SMAJ-series) across VCC to GND to clamp load-dump transients to within the 36 V absolute maximum rating. Place both protection devices as close to the connector as possible, before the IC's VCC pin bypass capacitor.
Use a 4-layer PCB with a solid inner ground plane directly under the MultiPowerSO-30 footprint to spread heat and reduce ground-bounce. Provide wide copper pours (at least 50 mm^2) on the VCC and GND nets to handle 30 A continuous without trace heating. Place the VCC bypass capacitor (100 uF low-ESR electrolytic + 1 uF ceramic) within 5 mm of the VCC pin. The motor outputs OUT_A/OUT_B should be routed as parallel pairs with via stitching to inner ground/return planes to handle peak current transients.
Do not drive the PWM input above 10 kHz - the gate-drive charge pump cannot keep up and the high-side Rds(on) increases, causing thermal runaway. Always sequence EN high AFTER VCC has settled above 5.5 V to ensure clean startup; bringing EN up before VCC may trigger the under-voltage lockout in an undefined state. If the diagnostic output indicates a fault, cycle EN or VCC to clear the latch. Do not exceed 36 V on VCC, even transiently - the IC's avalanche rating is limited.
合规信息
AEC-Q100 qualified per ST product page; RoHS and REACH compliant per distributor listings. Counterfeit VNH3SP30 parts have been reported on the open market - source only from authorized distributors.
