Overview
The powerSTEP01 is a system-in-package designed by STMicroelectronics, integrating 8 N-channel 16 mΩ MOSFETs for high-power stepper motor applications. It operates within a voltage range of 7.5 V to 85 V and features an SPI programmable controller. This device provides full digital control over motion through speed profile generation and positioning calculations. It is suitable for various applications requiring precise motor control, including industrial, surveillance, and textile machinery.
Key Specifications
| Parameter | Specification |
|---|---|
| Operating Voltage | 7.5 V - 85 V |
| MOSFET Configuration | 8 N-channel MOSFETs, RDS(on) = 16 mΩ |
| Maximum Output Current | 10 A |
| Microstepping Capability | Up to 1/128 microstepping |
| Interface | SPI (5-Mbit/s) |
| Package Type | VFQFPN 11x14x1.0 mm |
| Operating Temperature | -40°C to 150°C (junction temperature) |
| Protection Features | Thermal, low bus voltage, overcurrent, motor stall, and undervoltage lockout |
Key Features
- Integrates a dual low RDS(on) full-bridge with embedded non-dissipative overcurrent protection.
- Supports both voltage mode driving and advanced current control.
- Programmable speed profiles with acceleration, deceleration, speed, or target position.
- Sensorless stall detection and overtemperature protection.
- Integrated voltage regulators and low quiescent standby currents.
- Adjustable output slew rate and programmable non-dissipative overcurrent protection.
- Integrated analog-to-digital converter and supply management.
Applications
- High power bipolar stepper motor control.
- Stage lighting systems.
- Surveillance systems.
- Textile and sewing machines.
- Pick and place machines.
- Industrial automation and machinery.
Q & A
- What is the operating voltage range of the powerSTEP01?
The powerSTEP01 operates within a voltage range of 7.5 V to 85 V.
- What is the maximum output current of the powerSTEP01?
The maximum output current is 10 A.
- What microstepping capabilities does the powerSTEP01 offer?
The powerSTEP01 supports up to 1/128 microstepping.
- What interface does the powerSTEP01 use for communication?
The powerSTEP01 uses a standard 5-Mbit/s SPI interface.
- What are the key protection features of the powerSTEP01?
The device includes thermal, low bus voltage, overcurrent, motor stall, and undervoltage lockout protections.
- Can the powerSTEP01 be used in high-temperature environments?
The junction temperature can range from -40°C to 150°C.
- What package type is the powerSTEP01 available in?
The powerSTEP01 is available in a VFQFPN 11x14x1.0 mm package.
- Does the powerSTEP01 support adjustable output slew rate?
Yes, the powerSTEP01 allows for adjustable output slew rate.
- What are some common applications of the powerSTEP01?
Common applications include high power bipolar stepper motor control, stage lighting, surveillance systems, textile and sewing machines, and pick and place machines.
- Does the powerSTEP01 have integrated voltage regulators?
Yes, the powerSTEP01 includes integrated voltage regulators.
