Introduction to L6470PD
The L6470PD is a fully integrated motor driver IC designed for
driving bipolar stepper motors. It is developed by
STMicroelectronics and incorporates advanced features that allow
for precise control of the motor. The L6470PD is specifically
designed for use in a wide range of industrial and automotive
applications, providing designers with a reliable platform to
create innovative and efficient motor control designs.
Features
The L6470PD driver incorporates a wide range of features that
contribute to its performance and reliability:
- High Accuracy: The driver provides high accuracy motion control of
the stepper motor with microstepping resolution up to 1/128 of a
full step.
- Integrated Protection and Diagnostic Circuitry: The driver includes
integrated protection and diagnostic circuitry that provides
protection against over-temperature, over-current, under-voltage,
and short-circuit conditions. It also features a diagnostic
feedback circuit that provides information on the status of the
driver itself.
- Low On-Resistance: The driver features low on-resistance of 1.4
ohms, enabling efficient power delivery and minimizing losses in
the power system.
- Wide Input Voltage Range: The driver is designed to operate in a
wide input voltage range of 8V to 45V, making it suitable for use
with a variety of power sources.
- RoHS Compliant: The driver is compliant with the Restriction of
Hazardous Substances (RoHS) directive, ensuring environmental
safety and compliance with regulatory requirements.
Specifications
The following table provides an overview of the key specifications
for the L6470PD driver:
| Parameter | Value |
|---|
| Input Voltage Range | 8V to 45V |
| Maximum Output Current | 3.5A |
| On-Resistance | 1.4 ohms |
| Microstepping Resolution | Up to 1/128 |
| Operating Temperature Range | -40°C to +150°C |
| Over-Temperature Protection | Yes |
| Short-Circuit Protection | Yes |
| Under-Voltage Lockout | Yes |
| Package | PowerSO-36 (Exposed Pad) |
Conclusion
The L6470PD driver from STMicroelectronics offers high accuracy,
diagnostic feedback, and advanced features specifically tailored
for a wide range of industrial and automotive motor control
applications. With its high accuracy motion control, integrated
protection and diagnostic circuitry, and low on-resistance, it
provides a reliable platform for a wide range of motor control
designs.
Whether you're developing industrial or automotive motor control
systems, the L6470PD driver delivers the capabilities needed to
meet your project requirements. With its wide input voltage range,
high current capability, and RoHS compliance, it enables you to
create innovative motor control designs that excel in performance,
reliability, and environmental safety.
STMicroelectronics provides a complete suite of development tools,
including reference designs, evaluation boards, and software
libraries, to support designers throughout the development process.
These tools streamline the design process, allowing you to
efficiently bring your motor control projects to life.
To learn more about the L6470PD driver, refer to the datasheet and
application note provided by STMicroelectronics. These resources
offer detailed information on the driver's specifications,
electrical characteristics, and application details.
Choose the L6470PD driver for your high-accuracy industrial and
automotive motor control projects, and leverage its advanced
features, diagnostic feedback, and high-current capability to
create cutting-edge motor control designs. With its exceptional
performance and functionality, it empowers you to bring your ideas
to life and drive innovation in the field of motor control.
