MC09XS3400AFK

Description：IC PWR SWITCH N-CHAN 1:1 24PQFN
Series：-
Mfr：NXP USA Inc.
Package：Tray

SKU:a1ee05897c75 Category: Power Distribution Switches, Load Drivers Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC PWR SWITCH N-CHAN 1:1 24PQFN
Series：-
Mfr：NXP USA Inc.
Package：Tray
Switch Type：General Purpose
Number of Outputs：4
Ratio - Input:Output：1:01
Output Configuration：High Side
Output Type：N-Channel
Interface：SPI
Voltage - Load：6V ~ 20V
Voltage - Supply (Vcc/Vdd)：3V ~ 5.5V
Current - Output (Max)：-
Rds On (Typ)：9mOhm
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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MC09XS3400AFK

Overview

The MC09XS3400AFK is a quad high-side switch IC from NXP’s SMARTMOS family, designed for low-voltage automotive lighting. It features four MOSFETs with a typical RDS(on) of 9 mOhm. Operating voltage ranges from 6V to 20V for the load and 3V to 5.5V for supply. The device integrates internal PWM, slew rate control, and a watchdog timer. Fault protection includes fixed current limiting and open-load detection. It utilizes an SPI interface and is qualified to AEC-Q100 standards.

Feature Summary

Integrates four low RDS(on) MOSFETs for efficient power distribution
Includes internal PWM generation and controlled slew rates
Provides comprehensive fault protection with current limiting and open-load detection
Features integrated watchdog timer for system reliability

Applications

Automotive body and comfort applications
Low-voltage automotive lighting systems
Power distribution in smart MOS environments

Procurement Notes

Verify the specific suffix (AFK) against your bill of materials to ensure correct packaging and temperature grade compatibility. Confirm that the evaluation kit KIT09XS3400EVBE is available if prototyping support is required. Ensure the SPI interface requirements align with your microcontroller design before finalizing procurement.

Selection Notes

Select this component when a quad high-side configuration with very low on-resistance is required for automotive lighting. The 9 mOhm RDS(on) minimizes power loss compared to standard switches. Consider the AEC-Q100 qualification for automotive durability. The integrated PWM and fault protection reduce external component count and simplify PCB layout.

Part Context

This part belongs to the MC09XS3400 series within NXP’s SMARTMOS portfolio. It is specifically engineered for next-generation automotive body applications. The series emphasizes high performance and secure connectivity integration capabilities alongside power switching functions.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material. Verify pinout and electrical specifications carefully if considering alternative quad high-side switches from other manufacturers.