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MC35XS3400DHFK
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:4 24PQFN
- Series：-
- Mfr：NXP USA Inc.
- Package：Tray
- Switch Type：General Purpose
- Number of Outputs：4
- Ratio - Input:Output：1:04
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：SPI
- Voltage - Load：6V ~ 20V
- Voltage - Supply (Vcc/Vdd)：3V ~ 5.5V
- Current - Output (Max)：6A
- Rds On (Typ)：35mOhm (Max)
- Input Type：-
- Features：Internal PWM, Slew Rate Controlled, Watchdog Timer
- Fault Protection：Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Supplier Device Package：24-PQFN (12x12)
- Package / Case：24-PowerQFN
- Grade：-
- Qualification：-
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Overview
The MC35XS3400DHFK is a quad high-side power distribution switch manufactured by NXP Semiconductors. It integrates four independent N-channel MOSFETs with a typical on-resistance of 35 milliohms. The device operates within a load voltage range of 6V to 20V and supports a maximum output current of 6A per channel. Control and diagnostics are managed via a 16-bit SPI interface, allowing for individual PWM control and multiphase operation. Key protection features include over-current shutdown, over-temperature detection, open-load diagnosis, and reverse polarity protection. The component is housed in a 24-PowerQFN package measuring 12x12 mm.
Feature Summary
- Integrates four low Rds(on) high-side switches for efficient power distribution
- Features advanced digital diagnosis and fault handling via SPI interface
- Includes multiphase PWM control to improve electromagnetic compatibility
- Provides comprehensive protection against over-current, over-temperature, and open loads
Applications
- Automotive lighting systems including rear corner lights
- Industrial resistive load control applications
- LED driver circuits requiring precise current sensing
- General purpose power distribution in automotive ECUs
Procurement Notes
Verify the specific suffix DHFK against the official NXP datasheet to confirm temperature range and package variant. Confirm that the part status is discontinued as indicated by distributor records. Ensure compatibility with existing PCB footprints for the 24-PQFN package. Check for moisture sensitivity level requirements during storage and handling. Validate that the SPI interface voltage levels match the system design.
Selection Notes
Select this component when a quad high-side switch with low on-resistance is required for automotive or industrial applications. The integrated SPI interface allows for flexible configuration and detailed diagnostic feedback. Consider the thermal performance of the exposed pad PQFN package for heat dissipation. Evaluate the need for multiphase PWM capabilities to reduce EMI. Ensure the operating voltage range aligns with the system's power supply specifications.
Part Context
The MC35XS3400 belongs to the 35XS series of smart high-side switches from NXP (formerly Freescale). This family is designed for robust power management in demanding environments. The device replaces discrete MOSFET solutions by integrating control logic, protection circuits, and diagnostics into a single compact package. It is part of NXP's portfolio for automotive and industrial power distribution.
Replacement Considerations
The MC35XS3500 is a penta-channel variant within the same series. Other quad variants such as MC10XS3412 or MC15XS3400 offer different on-resistance values. Verify pinout compatibility and electrical parameters before substitution.
