Overview
The MC22XS4200BEK is a dual 24 V, 22 mΩ high-side switch integrated circuit (IC) produced by NXP USA Inc. This device is part of the 22XS4200 product family, which features integrated control and a high number of protective and diagnostic functions. It is designed primarily for truck and bus applications, capable of controlling various load types such as bulbs, solenoids, or DC motors. The device is powered by SMARTMOS technology and offers individual channel control through external or internal clock signals, or direct inputs, allowing for fully autonomous operation.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Operating Temperature (TA) | -40°C to 125°C | °C | |
| Junction Temperature (TJ) | -40°C to 150°C | °C | |
| Storage Temperature (TSTG) | -55°C to 150°C | °C | |
| Thermal Resistance Junction to Case (RθJC) | 1.4 | °C/W | |
| Thermal Resistance Junction to Ambient (RθJA) | 22 | °C/W | |
| Peak Package Reflow Temperature (TPPRT) | 260°C (for 40 seconds maximum) | °C | |
| Voltage - Supply (Vcc/Vdd) | 3 V ~ 5.5 V | V | |
| Voltage - Load | 8 V ~ 36 V | V | |
| ON-Resistance (RDS(on)) | < 22 mΩ (at TJ = 150°C, VPWR = 8 V to 36 V) | mΩ | |
| Current - Output (Max) | 3 A | A | |
| Interface | SPI (16-bit serial peripheral interface) | ||
| Package / Case | 32-SOIC EP (Exposed Pad) | ||
| Number of Outputs | 2 | ||
| Output Configuration | High Side |
Key Features
- Slew Rate Controlled: Programmable output voltage slew rates to improve electromagnetic compatibility (EMC) performance.
- Fault Protection: Includes overtemperature, undervoltage, and overvoltage protections, as well as severe short-circuit detection and open load detection.
- Dynamic Overcurrent Threshold Profile: Helps avoid shutting off the device upon inrush current while closely tracking the load current.
- Current Sensing: Switching current of each channel can be sensed with a programmable sensing ratio.
- Autonomous Operation: Can operate fully autonomously using an internal clock.
- SPI Interface: 16-bit serial peripheral interface for control, device configuration, and diagnostics.
Applications
The MC22XS4200BEK is primarily designed for truck and bus applications, where it can control various load types such as:
- Bulbs
- Solenoids
- DC motors
Its robust design and comprehensive protective features make it suitable for demanding automotive environments.
Q & A
- What is the operating temperature range of the MC22XS4200BEK?
The operating temperature range is -40°C to 125°C.
- What is the maximum output current of the MC22XS4200BEK?
The maximum output current is 3 A.
- What type of interface does the MC22XS4200BEK use for control and diagnostics?
The device uses a 16-bit SPI (Serial Peripheral Interface).
- What are the key protective features of the MC22XS4200BEK?
The device includes overtemperature, undervoltage, and overvoltage protections, as well as severe short-circuit detection and open load detection.
- Can the MC22XS4200BEK operate autonomously?
- What is the typical ON-resistance (RDS(on)) of the MC22XS4200BEK?
The typical ON-resistance is less than 22 mΩ.
- What is the voltage range for the load supply of the MC22XS4200BEK?
The load supply voltage range is 8 V to 36 V.
- What package type is the MC22XS4200BEK available in?
The device is available in a 32-SOIC EP (Exposed Pad) package.
- Is the MC22XS4200BEK compliant with RoHS directives?
- What is the purpose of the dynamic overcurrent threshold profile in the MC22XS4200BEK?
The dynamic overcurrent threshold profile helps avoid shutting off the device upon inrush current while closely tracking the load current.
