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HomeProductsIntegrated Circuits (ICs)PMIC - Power Distribution Switches, Load DriversMC10XS4200FK
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MC10XS4200FK - Freescale Semiconductor

Manufacturer Part Number
MC10XS4200FK
Manufacturer
Freescale Semiconductor, Inc. (NXP Semiconductors)
Allelco Part Number
32D-MC10XS4200FK
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
17,100 pcs available, New & Original
Parts Description
HIGH-SIDE SWITCH, 24V, DUAL 10MO
Package
23-PQFN (12x12)
Data sheet
-
RoHs Status
ROHS3 Compliant
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In stock: 17100

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Specifications

MC10XS4200FK Tech Specifications
Freescale Semiconductor - MC10XS4200FK technical specifications, attributes, parameters and parts with similar specifications to Freescale Semiconductor - MC10XS4200FK

Product Attribute Attribute Value
Manufacturer Freescale Semiconductor, Inc. (NXP Semiconductors)
Voltage - Supply (Vcc/Vdd) 3V ~ 5.5V
Voltage - Load 8V ~ 36V
Switch Type General Purpose
Supplier Device Package 23-PQFN (12x12)
Series -
Rds On (Typ) 10mOhm (Max)
Ratio - Input:Output 1:1
Package / Case 23-PowerQFN
Package Bulk
Output Type N-Channel
Product Attribute Attribute Value
Output Configuration High Side
Operating Temperature -40°C ~ 125°C (TA)
Number of Outputs 2
Mounting Type Surface Mount
Interface SPI
Input Type -
Features Internal PWM, Slew Rate Controlled, Watchdog Timer
Fault Protection Current Limiting (Fixed), Open Load Detect, Over Temperature, UVLO
Current - Output (Max) 6A
Base Product Number MC10XS4200

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

MC10XS4200FK

Manufacturer

NXP Semiconductors

Introduction

Integrated circuit for power management and distribution

Product Features and Performance

Two high side N-Channel outputs

Controlled via SPI interface

Internal PWM feature

Slew rate control for inrush current minimization

Watchdog timer for system reliability

Supports a load voltage range of 8V to 36V

Voltage supply between 3V and 5.5V

Capable of delivering up to 6A current output

Rds On as low as 10mOhm

Product Advantages

Reduced power dissipation with low Rds On

Enhanced system control through SPI

Built-in fault protection features

Support for a wide range of load voltages

Suitable for high-temperature environments

Key Technical Parameters

Max load current of 6A

Supply voltage between 3V and 5.5V

Operating temperature range from -40°C to 125°C

Fixed current limiting for fault protection

Under voltage lockout (UVLO)

Thermal shutdown capability

Quality and Safety Features

Current limiting to prevent overcurrent damage

Open load detection

Over temperature protection

Under voltage lockout for safety

Compatibility

Interfacing compatible with SPI protocol

Designed for surface mount technology

Application Areas

Automotive systems

Industrial controls

Power distribution systems

Product Lifecycle

Obsolete status

Availability of replacements or upgrades should be confirmed

Several Key Reasons to Choose This Product

Highly integrated solution reducing external component count

Efficient power distribution with low Rds On

Robust protection features for enhanced safety

Programmability and control through SPI

Designed for harsh environments with a wide operating temperature range

Frequently Asked Questions(FAQ)

How does the MC10XS4200FK handle thermal management under sustained 6A load conditions with a 24V input?
The MC10XS4200FK integrates overtemperature protection that disables the output when the junction temperature exceeds a safe threshold, typically around 150°C. With its 10mΩ typical Rds(on) and 23-PQFN package, power dissipation at 6A is approximately 360mW under ideal conditions. However, in real-world scenarios with elevated ambient temperatures or limited PCB copper area, thermal resistance (RθJA) can approach 35–40°C/W, leading to significant self-heating. Designers should ensure adequate thermal vias and copper pours to maintain junction temperature below 125°C during continuous operation.
What are the implications of using the MC10XS4200FK in a 12V automotive system where load dump transients may exceed 36V?
While the MC10XS4200FK supports a maximum load voltage of 36V, automotive load dump events can reach 40V or higher. In such cases, an external TVS diode or clamp circuit is required to protect the device. The internal overvoltage protection is not designed to handle sustained transients beyond the absolute maximum rating, so system-level protection must be implemented upstream to ensure reliability.
How does the internal PWM feature in the MC10XS4200FK affect inrush current control when driving capacitive loads?
The MC10XS4200FK uses slew rate-controlled turn-on via internal PWM to limit di/dt and reduce inrush current. When enabled, this feature gradually ramps the gate voltage, effectively spreading the charging current over milliseconds. For example, driving a 1000µF load at 24V may see peak inrush reduced from over 10A to under 3A, depending on configuration. This is particularly useful in hot-swap or battery-powered applications where current spikes must be minimized.
Can the MC10XS4200FK be used to drive inductive loads such as relays or solenoids without additional external components?
The MC10XS4200FK includes open-load detection and current limiting but does not integrate freewheeling diodes. When switching inductive loads, a flyback diode or active clamp must be added externally to suppress voltage spikes during turn-off. Without this, inductive kickback can exceed the 36V maximum rating and damage the device, especially at higher currents or faster switching edges.
How does the watchdog timer in the MC10XS4200FK enhance system reliability in safety-critical applications?
The MC10XS4200FK’s watchdog timer monitors SPI communication integrity. If the host microcontroller fails to send periodic keep-alive signals within a defined window, the device assumes a fault condition and disables the outputs. This prevents unintended activation in systems where software lockup could lead to hazardous states, such as in industrial motor control or automotive lighting systems.
What is the significance of the 10mΩ Rds(on) specification in the MC10XS4200FK when compared to similar high-side switches in the same voltage class?
At 10mΩ typical, the MC10XS4200FK offers lower conduction losses than many competing 36V N-channel high-side switches, which often range from 15mΩ to 25mΩ. This translates to approximately 30% less power dissipation at 4A and improved efficiency in battery-operated systems. However, this advantage assumes optimal PCB layout and thermal conditions—degradation under high ambient temperatures can reduce the effective benefit.
How does the SPI interface on the MC10XS4200FK support fault diagnosis and system diagnostics?
The MC10XS4200FK’s SPI interface provides real-time status reporting for faults such as overcurrent, overtemperature, UVLO, and open-load conditions. Each fault is mapped to specific register bits, allowing the host controller to log events and initiate recovery sequences. This level of diagnostic granularity is critical for predictive maintenance and fault isolation in distributed power architectures.
Is the MC10XS4200FK suitable for paralleling to increase current handling beyond 6A?
The MC10XS4200FK is not designed for direct paralleling due to potential mismatches in Rds(on) and threshold voltage, which can lead to uneven current sharing. Even minor variations may cause one device to carry disproportionate load, increasing thermal stress. For higher current applications, a dedicated multi-phase controller or a higher-current switch should be selected instead.
How does the UVLO (undervoltage lockout) function in the MC10XS4200FK behave during power-up with a slowly rising 5V supply?
The MC10XS4200FK enables outputs only when Vcc exceeds the UVLO threshold, typically around 2.7V with hysteresis. During slow ramp-up, this prevents partial activation that could cause erratic switching or increased Rds(on). However, if the supply stabilizes near the threshold, noise or ripple may trigger repeated enable/disable cycles. A clean, well-regulated 3.3V or 5V rail with decoupling capacitors is recommended to avoid oscillation.
What design considerations are necessary for the 23-PQFN package of the MC10XS4200FK in high-vibration environments?
The 23-PowerQFN package relies on surface-mount solder joints and an exposed thermal pad for mechanical and thermal stability. In high-vibration settings, such as automotive underhood applications, the PCB must include sufficient anchor points, and the thermal pad should be soldered with adequate paste volume and stencil design. Additionally, conformal coating may be used to mitigate mechanical stress on joints over time.
How does the current limiting mechanism in the MC10XS4200FK respond to a short-circuit event on the output?
The MC10XS4200FK employs fixed current limiting that clamps output current to approximately 6A during a short circuit. Unlike foldback limiting, this fixed threshold maintains consistent protection but results in higher power dissipation during faults. Combined with overtemperature shutdown, the device will cycle between conduction and shutdown if the fault persists, preventing thermal runaway while allowing automatic recovery once the fault is cleared.
Can the MC10XS4200FK be used in a 48V industrial system with a step-down pre-regulator?
While the MC10XS4200FK itself cannot tolerate 48V directly, it can be deployed downstream of a buck converter that regulates the voltage to within the 8V–36V input range. In such architectures, the switch operates as a secondary protection or load control stage. Care must be taken to ensure the pre-regulator’s transient response does not expose the MC10XS4200FK to overvoltage during startup or fault conditions.
How does the open-load detection feature in the MC10XS4200FK distinguish between a disconnected load and a high-impedance fault?
The MC10XS4200FK monitors output voltage relative to the supply when the switch is on. If the output remains near the input voltage despite an enabled state, it indicates minimal current draw—consistent with an open circuit. The detection threshold is calibrated to ignore leakage currents but will flag loads drawing less than a few milliamps. This helps identify wiring faults or failed actuators in distributed systems.
What is the impact of input voltage variation (3V to 5.5V) on the switching performance of the MC10XS4200FK?
The MC10XS4200FK’s gate drive strength varies with Vcc, affecting turn-on speed and Rds(on) slightly. At 3V, the gate may not be fully enhanced, leading to marginally higher conduction losses compared to 5V operation. However, the internal charge pump and level-shifting circuitry maintain consistent control logic thresholds across the range, ensuring reliable SPI communication and fault response even at the lower supply limit.
How does the MC10XS4200FK compare to discrete MOSFET solutions in terms of board space and design complexity for a dual high-side switch application?
The MC10XS4200FK integrates two high-side N-channel switches with protection, control logic, and SPI interface in a single 12x12mm package, significantly reducing component count versus discrete designs requiring separate MOSFETs, gate drivers, current sensors, and protection circuits. This integration saves over 60% board area and simplifies layout, though it offers less flexibility in thermal optimization or current scaling.
What role does the slew rate control play in EMI performance when the MC10XS4200FK switches a 24V, 4A load at 100Hz?
Slew rate control reduces high-frequency harmonics by slowing the voltage transition at turn-on and turn-off. In a 100Hz switching application, this lowers peak di/dt and dv/dt, shifting EMI energy to lower amplitudes and frequencies more easily filtered by passive components. This is especially beneficial in EMI-sensitive environments like medical or avionics systems where conducted emissions must meet strict standards.
How should the thermal pad of the MC10XS4200FK be connected in a multi-layer PCB to maximize heat dissipation?
The exposed thermal pad on the MC10XS4200FK must be soldered directly to a dedicated ground plane or thermal island on the top layer, connected through an array of thermal vias (typically 0.3mm diameter, spaced 1–2mm apart) to internal and bottom-layer copper. A 2 oz copper layer with minimal thermal relief improves heat transfer. Avoid isolating the pad electrically unless isolation is required, as this can compromise thermal performance.
Is the MC10XS4200FK compatible with 3.3V microcontroller logic levels for SPI communication?
Yes, the MC10XS4200FK accepts 3.3V logic levels on its SPI inputs (SCLK, MOSI, CS) as long as Vcc is within the 3V–5.5V range. The device uses level-shifting internally, ensuring reliable communication with 3.3V MCUs without requiring external level translators. However, the MISO output is referenced to Vcc, so if Vcc is 5V, a level shifter may be needed to protect 3.3V microcontroller inputs.

Parts with Similar Specifications

The three parts on the right have similar specifications to Freescale Semiconductor MC10XS4200FK

Product Attribute MC10XS4200BAFKR2 MC10XS4200FKR2 MC10XS4200BFKR2 MC10XS4200FK
Part Number MC10XS4200BAFKR2 MC10XS4200FKR2 MC10XS4200BFKR2 MC10XS4200FK
Manufacturer NXP USA Inc. NXP USA Inc. NXP USA Inc. NXP USA Inc.
Voltage - Load - - - -
Voltage - Supply (Vcc/Vdd) - - - -
Features - - - Simultaneous Sampling
Interface - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Output Configuration - - - -
Rds On (Typ) - - - -
Number of Outputs - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Fault Protection - - - -
Input Type - - - Differential
Base Product Number - DAC34H84 MAX500 ADS62P42
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Switch Type - - - -
Ratio - Input:Output - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Output (Max) - - - -
Series - - - -

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Freescale Semiconductor

MC10XS4200FK

Freescale Semiconductor
32D-MC10XS4200FK

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