POWERSTEP01 - 10A SPI Stepper Motor Driver | STMicroelectronics
MPN： POWERSTEP01 ✓ 啟用中POWERSTEP01 概覽
A stepper-motor driver is a motion-control integrated circuit that converts digital position and speed commands into controlled current through the phases of a stepper motor. POWERSTEP01 belongs to the motor-driver and power-management hierarchy: it combines a programmable controller, gate-drive functions, eight N-channel MOSFETs, and protection circuitry. This integration reduces the number of external power components while retaining digital control over speed profiles and positioning calculations.
The key feature set centers on the integrated eight-MOSFET power stage, each specified at 16 mΩ in the manufacturer description. The SPI interface allows a host controller to configure motion behavior and retrieve or manage operating functions digitally. The device is intended for demanding motor-control applications where integration, high-voltage operation, and programmable positioning are valuable. Because the package also contains power semiconductors, thermal design, current derating, PCB copper, and motor-supply filtering remain essential.
The manufacturer describes POWERSTEP01 as a system-in-package integrating a microstepping controller and 10 A power MOSFETs. Its programmable motion architecture supports speed-profile generation and positioning calculations rather than relying solely on a fixed external step-generation sequence. This makes it suitable for systems where the host processor needs flexible motion configuration, repeatability, and compact implementation.
Typical applications include automated machinery, laboratory equipment, CNC and positioning stages, robotics, printers, and industrial motion modules. In each case, the device can sit between a digital controller and a bipolar stepper motor while the motor supply supplies the higher-voltage power domain. The low-voltage logic interface remains distinct from the motor bus, allowing careful isolation, grounding, and signal-integrity design.
For implementation, follow the manufacturer datasheet for the exact pinout, electrical limits, thermal conditions, protection thresholds, and recommended PCB layout. Do not assume that a 10 A classification permits 10 A continuously in every motor or ambient condition. The verified information does not provide detailed timing, current-limit, protection-threshold, or package-performance values, so those parameters remain and must be confirmed from the datasheet.
This page consolidates the verified manufacturer and distributor references, separates confirmed POWERSTEP01 specifications from missing parameters, and provides practical selection and integration guidance for engineers evaluating the device in high-voltage stepper-motion systems.
直接替換替代品，適用於 POWERSTEP01 — 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： POWERSTEP01 （相同外形與佔位） — 差異在於 Control Interface, MOSFET On-Resistance, Motor Type, Package, Product Type.
POWERSTEP01TR
✅ 直接替換聯絡詢價
查看資料表 →POWERSTEP01 最大額定值與電氣特性
| Product Type | Stepper-motor driver system-in-package |
| Integrated MOSFET Configuration | 8 N-channel MOSFETs |
| MOSFET On-Resistance | 16 mΩ per MOSFET |
| Motor Supply Voltage | Up to 85 V |
| Power-MOSFET Current Class | 10 A |
| Control Interface | SPI programmable controller |
| Motion Control | Speed-profile generation and positioning calculations |
| Motor Type | Bipolar stepper motor |
| Power Stage | Integrated power MOSFETs |
| 封裝 | 89-VFQFPN |
| Package Dimensions | 11 mm x 14 mm |
| 安裝類型 | Surface mount |
| Protection Features | Thermal, low bus voltage, overcurrent, and motor stall protections reported in retrieved data |
POWERSTEP01 11 mm x 14 mm 腳位配置指南
POWERSTEP01（11 mm x 14 mm 封裝）的腳位配置。 此功率元件具有閘極、汲極與源極端子。對於非極性封裝，請參閱製造商資料表以取得確切的第 1 腳方向與佈局詳細資訊。常見應用包括電源設計、馬達驅動與負載切換。
無詳細腳位定義資料： POWERSTEP01.
請參閱 資料表 以查看完整腳位配置。
安全工作區
典型應用
POWERSTEP01 適用於 7 應用s: Robotics Stepper Axes, Laboratory Positioning Equipment, CNC and Linear Motion Stages, 3D Printer Motion Control, Automated Test Systems, Printer and Paper-Handling Modules, Battery-Powered Mobile Equipment.
Robotics Stepper Axes
POWERSTEP01 fits robotics systems that need programmable bipolar stepper-motor control from a host processor. Its integrated SPI controller and eight N-channel MOSFETs reduce the external power-stage component count while supporting stepper applications up to 85 V. The host can use the documented digital motion functions for speed-profile generation and positioning calculations. Designers should select motor winding current within the datasheet limits, provide motor-bus filtering, and use copper areas suited to the 10 A device class. Because the retrieved information does not specify full thermal derating, current thresholds, or SPI timing, those values must be confirmed from the manufacturer datasheet.
推薦
Laboratory Positioning Equipment
Laboratory axes, microscopes, dispensers, and analysis instruments can use POWERSTEP01 when compact, programmable stepper motion is valuable. The 85 V motor-support figure allows the device to sit between a higher-voltage motor supply and a digital controller while the integrated MOSFETs handle the power stage. The system-in-package format is useful when board area is constrained, although engineers must still account for the 11 mm by 14 mm VFQFPN footprint and exposed thermal-management requirements. Validate acceleration, step rate, microstep behavior, motor inductance, and mechanical resonance against the complete manufacturer documentation.
推薦
CNC and Linear Motion Stages
POWERSTEP01 is appropriate for compact CNC mechanisms and linear stages driven by bipolar stepper motors when the controller needs programmable motion behavior. The integrated speed-profile and positioning functions can reduce the burden on a host controller compared with a purely discrete driver. The power stage is designed for stepper applications up to 85 V, making it useful for higher-voltage motor buses than ordinary low-voltage hobby drivers. The board should use short, wide motor-current paths, local bulk decoupling, and a thermal design based on actual winding current and duty cycle; those implementation values are not present in the supplied search excerpts.
推薦
3D Printer Motion Control
In a 3D printer or desktop motion system, POWERSTEP01 can provide the motor-driver electronics for a bipolar stepper axis with programmable motion control. Integrating eight 16 mΩ N-channel MOSFETs can reduce discrete power-stage complexity, while the controller supports speed profiles and positioning calculations. The design must still provide a robust motor supply, gate-related layout recommendations, and thermal copper because motor current and switching losses determine junction temperature. Confirm the device’s supported microstepping configuration, electrical limits, and protection thresholds in the STMicroelectronics datasheet before selecting motor current.
推薦
Automated Test Systems
Automated test and measurement equipment often uses multiple stepper axes for fixtures, scanners, samplers, and repeatable positioning mechanisms. POWERSTEP01 combines a digital controller with a high-voltage power stage, helping each axis use a compact controller architecture. The programmable speed profile and positioning calculations can support coordinated moves when the host system manages command sequencing. Since the retrieved data does not specify maximum step frequency, current regulation, encoder feedback, or timing margins, engineers should evaluate the complete datasheet and motor mechanics before claiming a particular repeatability or throughput result.
推薦
Printer and Paper-Handling Modules
POWERSTEP01 can serve as the motor-control core in printers, feeders, cutters, and paper-handling mechanisms that use bipolar stepper motors. The integrated eight-MOSFET power stage supports motor applications up to 85 V and can simplify the power topology compared with a discrete driver. For compact mechanisms, the system-in-package helps reduce component count, but motor current, motor inductance, switching losses, and duty cycle determine whether additional copper or forced-air cooling is needed. The reported thermal, low-bus-voltage, overcurrent, and motor-stall protections should still be verified for exact thresholds and behavior in the datasheet.
推薦
Battery-Powered Mobile Equipment
POWERSTEP01 can be considered for mobile or portable equipment that uses a bipolar stepper mechanism and has a suitably protected motor supply. The integrated controller and power MOSFETs may reduce board-level component count, while the motor-voltage support extends beyond low-voltage hobby-driver ranges. However, battery-powered operation requires careful calculation of motor current, bus transients, standby consumption, and thermal dissipation. The retrieved data does not provide quiescent current, sleep behavior, battery compatibility, or efficiency figures, so a mobile design should not be released without checking those parameters in the manufacturer documentation.
推薦
工程參考資料，適用於 POWERSTEP01 — 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 | POWERSTEP01TR |
|---|---|---|
| Package | 89-VFQFPN (11x14) | 89-VFQFPN (11x14) |
| Brand | STMicroelectronics | STMicroelectronics |
| Product Type | Stepper-motor driver system-in-package | Bipolar motor driver power MOSFET SPI controller |
| Control Interface | SPI programmable controller | SPI |
主要差異化特點
- Integrated power stage (對比POWERSTEP01TR)
- High-voltage stepper support (對比POWERSTEP01TR)
- SPI-programmable motion control (對比POWERSTEP01TR)
設計說明
Treat the integrated MOSFETs as a power stage, not as an ordinary low-power logic IC. Estimate worst-case conduction and switching loss from the selected motor current, winding resistance, PWM behavior, duty cycle, and ambient temperature. Use the official thermal data and package drawing to select copper area, thermal vias, airflow, or a heat spreader. The 10 A classification is not a universal continuous-current rating.
Place the motor bus capacitors and power-ground return paths close to the POWERSTEP01 power connections. Keep high-current motor paths compact and separate from sensitive SPI and control traces. Verify the motor supply’s transient response, required bulk capacitance, and protection scheme against the manufacturer’s application guidance. Do not infer capacitor values from the 85 V support statement alone.
Use the official 89-VFQFPN land pattern and pinout rather than a generic VFQFPN footprint. Confirm whether the package has an exposed thermal pad and how it must be connected electrically. Keep the exposed-pad and motor-current copper continuous where required, use multiple thermal vias if recommended, and route SPI signals away from high-current switching nodes to reduce coupling.
Do not substitute POWERSTEP01TR or any other candidate without checking the exact ordering code, pinout, electrical limits, and thermal conditions. The retrieved data confirms a same-family 89-VFQFPN listing for POWERSTEP01TR, but it does not provide a full cross-reference datasheet proving identical behavior in every operating condition. Also verify motor current, voltage transients, stall behavior, and fault response before production use.
合規資訊
The supplied manufacturer and distributor excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields must be confirmed from the current manufacturer product documentation or supply-chain declarations.
