Overview
The powerSTEP01, developed by STMicroelectronics, is a system-in-package that integrates 8 N-channel 16 mΩ MOSFETs designed for stepper motor applications up to 85 V. It features an SPI programmable controller, enabling full digital control of motion through speed profile generation and positioning calculations. This device is particularly suited for applications requiring advanced motor control, offering both voltage mode driving and current control. The powerSTEP01 includes a dual low RDS(on) full-bridge with embedded non-dissipative overcurrent protection and a rich set of protections such as thermal, low bus voltage, overcurrent, and motor stall detection, making it highly reliable for demanding motor control applications.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage | 7.5 V - 85 V |
| Maximum Output Current | 10 A |
| MOSFET RDS(on) | 16 mΩ |
| Microstepping Resolution | Up to 1/128 |
| Operating Temperature | -40°C to 150°C (TJ) |
| Package Type | VFQFPN 11x14 mm |
| SPI Interface Speed | 5 Mbit/s |
| Protection Features | Thermal, low bus voltage, overcurrent, motor stall |
Key Features
- Integrates 8 N-channel 16 mΩ MOSFETs for high-power stepper motor applications.
- SPI programmable controller for full digital control of motion.
- Dual low RDS(on) full-bridge with embedded non-dissipative overcurrent protection.
- Programmable speed profiles with acceleration, deceleration, speed, or target position.
- Supports both voltage mode driving and advanced current control.
- Sensorless stall detection and overtemperature protection.
- Integrated voltage regulators and low quiescent standby currents.
- Programmable slew rate and deadtime/blanking time.
- Integrated analog-to-digital converter and supply management with internal voltage regulators.
Applications
- High power bipolar stepper motors.
- Stage lighting systems.
- Surveillance systems.
- Textile and sewing machines.
- Pick and place machines.
Q & A
- What is the maximum operating voltage of the powerSTEP01?
The maximum operating voltage of the powerSTEP01 is 85 V.
- What is the maximum output current of the powerSTEP01?
The maximum output current of the powerSTEP01 is 10 A.
- What is the microstepping resolution of the powerSTEP01?
The powerSTEP01 supports up to 1/128 microstepping resolution.
- What interface does the powerSTEP01 use for programming?
The powerSTEP01 uses a standard 5-Mbit/s SPI interface for programming.
- What types of protection does the powerSTEP01 offer?
The powerSTEP01 offers thermal, low bus voltage, overcurrent, and motor stall protection.
- What is the operating temperature range of the powerSTEP01?
The operating temperature range of the powerSTEP01 is -40°C to 150°C (TJ).
- What package type is the powerSTEP01 available in?
The powerSTEP01 is available in a VFQFPN 11x14 mm package.
- Does the powerSTEP01 support voltage mode driving and current control?
Yes, the powerSTEP01 supports both voltage mode driving and advanced current control.
- Is the powerSTEP01 suitable for high-power stepper motor applications?
Yes, the powerSTEP01 is specifically designed for high-power stepper motor applications.
- What kind of motion profiles can be programmed on the powerSTEP01?
The powerSTEP01 allows for the programming of user-defined motion profiles with acceleration, deceleration, speed, or target position.
