Introduction to L9942XP1TR
The L9942XP1TR is a monolithic high-side driver developed by STMicroelectronics. It is designed to drive a variety of loads, including inductive, capacitive, and resistive loads. The L9942XP1TR driver provides a reliable, high-performance platform for designers to create innovative and efficient motor control designs.
Features
The L9942XP1TR driver incorporates a wide range of features that contribute to its performance and reliability:
- High-Side Driver: The driver is designed as a high-side switch that allows the control of the positive voltage rail of the load. This configuration makes it suitable for driving inductive, capacitive, and resistive loads.
- Integrated Protection and Diagnostic Circuitry: The driver includes integrated protection and diagnostic circuitry that provides protection against over-temperature, over-current, 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 150 mohms, 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 4.5V to 40V, 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 L9942XP1TR driver:
| Parameter | Value |
| Input Voltage Range | 4.5V to 40V |
| Maximum Output Current | 1A |
| On-Resistance | 150 mohms |
| Quiescent Current | 10 µA |
| Operating Temperature Range | -40°C to +150°C |
| Over-Temperature Protection | Yes |
| Short-Circuit Protection | Yes |
| Under-Voltage Lockout | Yes |
| Package | PowerSSO-12 (Exposed Pad) |
Conclusion
The L9942XP1TR driver from STMicroelectronics offers high performance, diagnostic feedback, and advanced features specifically tailored for use in a wide range of industrial and automotive motor control applications. With its high-side driver configuration, 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 L9942XP1TR driver delivers the capabilities needed to meet your project requirements. With its wide input voltage range, low quiescent current, 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 L9942XP1TR 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 L9942XP1TR driver for your high-performance industrial and automotive motor control projects, and leverage its advanced features, diagnostic feedback, and low on-resistance 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.
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