Overview
The MC22XS4200BEK is a dual 24 V, 22 mΩ high-side switch produced by NXP USA Inc. This device is part of a high-side switch product family that integrates advanced control, protective, and diagnostic functions. It is designed primarily for truck and bus applications, capable of controlling various load types such as bulbs, solenoids, and DC motors. The device utilizes SMARTMOS technology and features a 16-bit serial peripheral interface (SPI) for easy integration into existing systems.
Key Specifications
| Parameter | Value |
|---|---|
| ON-Resistance (RDS(on)) | 22 mΩ (at 25 °C) |
| Steady State Current per Channel | Up to 4.2 A |
| Operating Voltage Range | 8.0 V to 36 V (normal), 6.0 V to 58 V (extended) |
| SPI Port Compatibility | 3.3 V and 5.0 V, up to 8.0 MHz |
| Package Type | 32-pin SOIC-EP (10 mm x 11 mm) |
| Temperature Range | -40 °C to 125 °C |
| Overcurrent Protection | Programmable autoretry functions |
| Short-circuit Protection | Severe short-circuit detection |
| Overtemperature Protection | Prewarning and protection |
Key Features
- Two fully-protected 22 mΩ high-side switches
- Individually programmable internal/external PWM clock signals
- Overcurrent, short-circuit, and overtemperature protection with programmable autoretry functions
- Accurate temperature and current sensing
- Open load detection (channel in OFF and ON state), also for LED applications (7.0 mA typ.)
- Programmable output voltage slew rates for improved EMC performance
- Dynamic overcurrent threshold profile to avoid shutting off the device upon inrush current
- Fail-safe operation mode in case of lost communication with the external microcontroller
Applications
The MC22XS4200BEK is primarily designed for truck and bus applications, where it can control various loads such as bulbs, solenoids, and DC motors. Its advanced protective and diagnostic features make it suitable for demanding automotive environments.
Q & A
- What is the primary application of the MC22XS4200BEK? The MC22XS4200BEK is primarily designed for truck and bus applications.
- What is the ON-Resistance (RDS(on)) of the MC22XS4200BEK? The ON-Resistance (RDS(on)) is 22 mΩ at 25 °C.
- What is the maximum steady state current per channel? The maximum steady state current per channel is up to 4.2 A.
- What is the operating voltage range of the MC22XS4200BEK? The normal operating voltage range is 8.0 V to 36 V, with an extended range of 6.0 V to 58 V.
- What type of interface does the MC22XS4200BEK use for control and diagnostics? The device uses a 16-bit serial peripheral interface (SPI).
- What are the key protective features of the MC22XS4200BEK? The device features overcurrent, short-circuit, and overtemperature protection with programmable autoretry functions.
- How does the MC22XS4200BEK handle lost communication with the external microcontroller? The device enters a Fail-safe operation mode but remains operational, controllable, and protected.
- What is the package type of the MC22XS4200BEK? The package type is a 32-pin SOIC-EP (10 mm x 11 mm).
- What is the temperature range of the MC22XS4200BEK? The temperature range is -40 °C to 125 °C.
- Does the MC22XS4200BEK support open load detection? Yes, it supports open load detection in both OFF and ON states, including LED applications.
