Overview
The NXP MC33972ATEWR2 is a multiple switch detection interface designed to detect the closing and opening of up to 22 switch contacts. This programmable, high-performance interface is tailored for specialized applications, particularly in the automotive sector, but also suitable for smart devices, power control, robot technology, industrial gear, and home security. It operates with suppressed wake-up functionality, enhancing power efficiency and reliability in various systems.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage | 3.3V or 5.0V |
| Package Type | SOIC-32 |
| Pin Count | 32 |
| Switch Outputs | 22 x H-Bridge Power ICs |
| Output Current | Up to 5A |
| Communication Interface | SPI (Serial Peripheral Interface) |
| Operating Temperature Range | -40°C to 125°C |
| Overcurrent and Overtemperature Protection | Yes |
| Programmable PWM Control | Yes |
| Diagnostic and Fault Reporting | Yes |
| Thermal Shutdown Protection | Yes |
| Low Standby Current | Yes |
Key Features
- Integrated H-Bridge Power IC
- Operates from 5.5 to 28V
- Output Current of up to 5A
- Overcurrent and Overtemperature Protection
- Programmable PWM Control
- Diagnostic and Fault Reporting
- Thermal Shutdown Protection
- Low Standby Current
Applications
The MC33972ATEWR2 is primarily designed for automotive applications, but its robust features and programmable controls make it suitable for a wide range of industries, including smart devices, power control systems, robot technology, industrial gear, and home security. Its ability to manage and detect switches efficiently makes it a valuable component in systems requiring precise current control and protection.
Q & A
- What is the primary function of the MC33972ATEWR2?
The MC33972ATEWR2 is designed to detect the closing and opening of up to 22 switch contacts. - What are the operating voltages for the MC33972ATEWR2?
The operating voltages are 3.3V or 5.0V. - What type of package does the MC33972ATEWR2 use?
The package type is SOIC-32. - What is the maximum output current of the MC33972ATEWR2?
The maximum output current is up to 5A. - Does the MC33972ATEWR2 have overcurrent and overtemperature protection?
Yes, it includes overcurrent and overtemperature protection. - What communication interface does the MC33972ATEWR2 use?
The communication interface is SPI (Serial Peripheral Interface). - Is the MC33972ATEWR2 suitable for automotive applications?
Yes, it is primarily designed for automotive applications but is also suitable for other industries. - Does the MC33972ATEWR2 support programmable PWM control?
Yes, it supports programmable PWM control. - What is the thermal shutdown protection feature in the MC33972ATEWR2?
The thermal shutdown protection feature ensures the device shuts down to prevent damage from high temperatures. - Does the MC33972ATEWR2 have low standby current?
Yes, it has low standby current to enhance power efficiency.
