Overview
The MC33879APEKR2 is a high-performance, 8-output hardware configurable high-side/low-side switch developed by NXP Semiconductors, formerly Freescale Semiconductor. This device is designed for robust and reliable operation in various automotive and industrial applications. It features a 16-bit serial input control interface, allowing for precise configuration and monitoring of the output drivers. The MC33879APEKR2 includes advanced fault detection capabilities, such as open and short load detection, and reports these faults through a serial data output pin.
Key Specifications
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VPWR (Input Voltage) | Battery Input Power Supply | 5.5 | - | 27.5 | V |
| IPWR(ON) (Supply Current) | Active State Supply Current | - | - | 24 | mA |
| IPWR(SS) (Sleep State Supply Current) | Sleep State Supply Current | - | - | 5.0 | µA |
| VPWR(OV) (Overvoltage Shutdown Threshold) | Overvoltage Shutdown Threshold Voltage | 27 | - | 32 | V |
| VPWR(UV) (Undervoltage Shutdown Threshold) | Undervoltage Shutdown Threshold Voltage | 3.0 | - | 5.0 | V |
| VDD (Logic Supply Voltage) | Logic Supply Voltage | 3.1 | - | 5.5 | V |
| IDD (Logic Supply Current) | Logic Supply Current | 250 | - | 700 | µA |
Key Features
- Hardware Configurable: The device allows for hardware configuration of its 8 output drivers, providing flexibility in application design.
- High-Side/Low-Side Switching: Capable of both high-side and low-side switching, making it versatile for various load configurations.
- 16-Bit Serial Input Control: Uses a 16-bit serial interface for precise control and monitoring of the output drivers.
- Fault Detection: Includes advanced fault detection for open and shorted loads, with fault status reported through the serial data output pin.
- Power Management: Features overvoltage and undervoltage shutdown thresholds, along with sleep mode to manage power efficiently.
- EN Pin Control: The enable pin allows for easy activation and deactivation of the device, including entering sleep mode when inactive.
Applications
The MC33879APEKR2 is suitable for a variety of applications, including:
- Automotive Systems: Ideal for use in automotive lighting, body control modules, and other vehicle systems requiring robust and reliable switching.
- Industrial Control Systems: Can be used in industrial automation, motor control, and other applications where high-side/low-side switching is necessary.
- Power Management Systems: Useful in systems that require advanced power management features such as overvoltage and undervoltage protection.
Q & A
- What is the input voltage range for the MC33879APEKR2?
The input voltage range for the MC33879APEKR2 is from 5.5 V to 27.5 V. - How does the device report faults?
The device reports faults through the serial data output pin (DO), where a logic high indicates a fault and a logic low indicates normal operation. - What is the purpose of the EN pin?
The EN pin enables or disables the device. When high, the output drivers can be activated and fault detection is performed. When low, the device enters sleep mode. - What type of fault detection does the MC33879APEKR2 support?
The device supports detection of open and shorted loads. - What is the logic supply voltage range for the MC33879APEKR2?
The logic supply voltage range is from 3.1 V to 5.5 V. - How does the device manage power during inactive states?
The device enters a sleep mode when the EN pin is low, significantly reducing the supply current. - What is the significance of the VPWR(OV) and VPWR(UV) parameters?
These parameters define the overvoltage and undervoltage shutdown thresholds, respectively, to protect the device from voltage extremes. - Can the MC33879APEKR2 be used in industrial applications?
Yes, it is suitable for industrial control systems and other applications requiring robust switching capabilities. - What is the package type of the MC33879APEKR2?
The device is available in a SOIC 32 package. - Where can I find detailed specifications for the MC33879APEKR2?
Detailed specifications can be found in the datasheet available on NXP's official website and other electronic component distributors like Mouser and Digi-Key.
