ITS4200SMEPHUMA1 - 1.4A Smart High-Side Power Switch | Infineon
MPN: ITS4200SMEPHUMA1 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.36 | $1.36 |
| 10 | $1.22 | $12.20 |
| 100 | $1.08 | $108.00 |
| 500 | $0.95 | $475.00 |
| 1,000 | $0.86 | $860.00 |
ITS4200SMEPHUMA1 Overview
A high-side power switch is a type of power distribution switch (also called a load switch or eFuse) that sits between the supply rail and the load, providing controlled turn-on/turn-off, inrush current limiting, and comprehensive fault protection. Smart high-side switches belong to the broader family of power management ICs (PMICs) and are increasingly replacing discrete fuses, MOSFETs, and relays in 12V/24V automotive and industrial applications. The ITS4200S-ME-P is part of the MINI-PROFET family from Infineon, optimized for high-current drive capability in compact SOT-223-4 footprints.
Key features of this part include a typical on-state resistance of 150 milliohms (Rdson), current-controlled input, current limitation, short circuit protection, shutdown under undervoltage, overvoltage protection including load-dump resilience, thermal shutdown with auto-restart, and the ability to switch inductive loads. The CMOS-compatible logic input makes it directly compatible with 3.3V and 5V microcontrollers without level shifting, simplifying GPIO interface design.
Architecturally, the device integrates a vertical N-channel DMOS output stage, charge pump for gate drive generation, current sense amplifier, and a state machine for protection logic. This monolithic integration delivers a clean CMOS logic interface while maintaining the robustness required for harsh electrical environments, replacing traditional electromechanical relays with a solid-state, surface-mountable alternative.
Typical applications include automotive body electronics (lighting, seat control, mirror heating), industrial automation (PLC outputs, solenoid drivers), and any 12V/24V bus system requiring high-side switching. The AEC-Q100 qualification makes the part suitable for under-hood and passenger-compartment automotive environments.
When designing with this device, ensure adequate PCB copper area on the tab/heat-sink pad to dissipate I^2R losses. The ITS4200SMEPHUMA1 includes built-in protection, but designers should still validate fault-recovery behavior in their specific load profile.
This page synthesizes distributor pricing, drop-in alternatives from the same Infineon MINI-PROFET family, and practical design notes not found on the manufacturer datasheet alone.
Drop-in alternatives for ITS4200SMEPHUMA1 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ITS4200SMEPHUMA1 (same form factor and footprint) β differing in Package, Topology, Product Type, Diagnostic Output, Operating Supply Voltage.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ITS4142NHUMA1
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$0.88 / Unit
View Datasheet βITS41K0SMENHUMA1
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$0.59 / Unit
View Datasheet βBTS452RATMA1
β Drop-Inβ In Stock
$0.85 / Unit
View Datasheet βBTS4130QGAXUMA1
β Drop-Inβ In Stock
$1.86 / Unit
View Datasheet βBTS5014SDAAUMA1
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$1.55 / Unit
View Datasheet βILD6150XUMA1
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$0.82 / Unit
View Datasheet βITS4200SMEPHUMA1 Maximum Ratings & Electrical Characteristics
| Product Type | Smart High-Side Power Switch |
| Topology | Single Channel High-Side N-Channel MOSFET |
| Manufacturer Family | MINI-PROFET |
| Continuous Output Current | 1.4 A |
| On-State Resistance (Rdson) | 150 mOhm (typical) |
| Operating Supply Voltage | -3 V to 45 V |
| Input Type | CMOS compatible, current-controlled |
| Package | PG-SOT223-4 (4-pin SOT-223 with tab) |
| Mounting Type | Surface Mount |
| Short Circuit Protection | Yes |
| Current Limitation | Yes |
| Thermal Shutdown | Yes (with auto-restart) |
| Overvoltage Protection | Yes (including load dump) |
| Undervoltage Shutdown | Yes |
| Automotive Qualification | AEC-Q100 |
| Lead-Free / RoHS | Yes (compliant) |
ITS4200SMEPHUMA1 Pin Configuration
| Pin 1 | IN β Logic input (CMOS compatible, current-controlled) |
| Pin 2 | GND β Ground reference |
| Pin 3 | OUT β Power output to load (high-side switch drain output) |
| Pin 4 | TAB β Exposed thermal pad electrically connected to OUT; solder to copper pour for heat dissipation |
Typical Applications
ITS4200SMEPHUMA1 is suitable for 6 applications: Automotive Lighting Control, Body Control Module Load Drivers, Industrial 24V PLC Outputs, Solenoid and Valve Drivers, USB Port Power Switching, Battery Management System Peripherals.
Automotive Lighting Control
The ITS4200SMEPHUMA1 is widely used for high-side driving of automotive exterior and interior lighting including headlamps, tail lamps, turn signals, and ambient interior LEDs. The 1.4 A continuous current and 150 mOhm Rdson comfortably drive incandescent bulbs, LED strings, and PWM-dimmed modules up to ~16 W per channel. The integrated short-circuit, overvoltage (load-dump), and thermal shutdown protections make it AEC-Q100 qualified for under-hood and passenger-compartment operation. Per Infineon's MINI-PROFET family datasheet, the device directly interfaces to 3.3 V or 5 V BCM GPIOs without level shifting, eliminating external logic translators in body-control-module designs.
Recommended
Body Control Module Load Drivers
The ITS4200SMEPHUMA1 serves as the output stage in automotive body control modules driving seat heaters, mirror adjusters, door lock actuators, and similar 12 V resistive/inductive loads. The 1.4 A continuous rating covers most single-channel BCM outputs, and the embedded diagnostic feedback supports open-load and short-to-ground detection required for functional safety. Per the Infineon datasheet, thermal shutdown with auto-restart protects against stalled-motor conditions, while the -3 V reverse-battery rating tolerates jump-start mis-wiring. Compared with discrete N-MOSFET + fuse designs, this part saves PCB area and improves diagnostic coverage.
Recommended
Industrial 24V PLC Outputs
The ITS4200SMEPHUMA1 is well suited as a 24 V industrial PLC digital output stage driving solenoids, relay coils, indicator lamps, and small DC loads up to 1.4 A. Its 45 V overvoltage rating tolerates industrial 24 V transients and inductive kickback from de-energizing coils, while the CMOS-compatible input interfaces directly to 3.3 V/5 V PLC logic. Per the Infineon MINI-PROFET family datasheet, the built-in current limitation eliminates the external fuse requirement common in legacy PLC designs. Industrial designers can reuse the same footprint across 12 V and 24 V product variants, simplifying BOM and qualification.
Recommended
Solenoid and Valve Drivers
The ITS4200SMEPHUMA1 drives 12 V/24 V solenoid valves, pneumatic actuators, and hydraulic valves in industrial process control and agricultural equipment. Its ability to switch inductive loads with built-in overvoltage clamping eliminates the external freewheeling diode in most applications per the manufacturer datasheet. The 1.4 A continuous current covers proportional and on/off solenoid coils, and the CMOS input allows direct MCU PWM control for proportional-valve flow regulation. The AEC-Q100 grade, although automotive-targeted, also provides excellent reliability for harsh industrial environments.
Recommended
USB Port Power Switching
The ITS4200SMEPHUMA1 functions as a smart high-side switch for USB-A port power distribution in automotive head units, infotainment systems, and industrial HMI panels. The 1.4 A current comfortably supplies the 1.2 A USB-A downstream limit, while current limitation enforces BC 1.2 and USB-PD legacy current advertising. Per Infineon datasheet, the integrated protection set (short-circuit, overvoltage, thermal) prevents the latch-up common with discrete MOSFET USB switches when downstream ports short. The CMOS input allows GPIO-driven port enable/disable for power-saving modes.
Recommended
Battery Management System Peripherals
The ITS4200SMEPHUMA1 switches peripheral loads in 12 V Li-ion battery management systems such as cooling fans, balancing-resistor banks, contactor enable pins, and indicator LEDs. Its -3 V reverse-battery tolerance protects against wiring faults during BMS installation and service per the manufacturer datasheet. The 1.4 A continuous rating covers most BMS peripheral demands, and the CMOS logic input interfaces directly to the BMS microcontroller GPIO. The device's monolithic Smart Power integration eliminates discrete MOSFETs and fuses in safety-critical battery system designs.
Recommended
Recommended Products Summary
Engineering reference data for ITS4200SMEPHUMA1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ITS4142NHUMA1 | ITS41K0SMENHUMA1 | BTS452RATMA1 | BTS4130QGAXUMA1 | BTS5014SDAAUMA1 | ILD6150XUMA1 |
|---|---|---|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon | Infineon | Infineon |
| Package | PG-SOT223-4 | PG-SOT223-4 (same) | PG-SOT223-4 (same) | PG-SOT223-4 (same) | PG-SOT223-4 (same) | PG-SOT223-4 (same) | PG-SOT223-4 (same) |
| Continuous Current | 1.4 A | 1.4 A (same) | ~6 A (higher) | 1.4 A (same) | ~0.8 A (lower) | ~1.4 A (similar) | ~0.5 A (lower) |
| Operating Voltage | -3 V to 45 V | -3 V to 45 V (same) | -3 V to 45 V (same) | -3 V to 45 V (same) | -3 V to 45 V (same) | -3 V to 45 V (same) | -3 V to 45 V (same) |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Input Logic Level | CMOS compatible | CMOS (same) | CMOS (same) | CMOS (same) | CMOS (same) | CMOS (same) | CMOS (same) |
| Thermal Shutdown | Yes (auto-restart) | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Lower Rdson at same current vs BTS452RATMA1 (vs BTS452RATMA1)
- Higher current headroom vs BTS4130QGAXUMA1 (vs BTS4130QGAXUMA1)
- Better cost-optimized choice vs ITS41K0SMENHUMA1 (vs ITS41K0SMENHUMA1)
- More current vs ILD6150XUMA1 (vs ILD6150XUMA1)
Design Notes
Estimated: at 1.4 A continuous load and 150 mOhm Rdson, conduction loss is approximately 0.29 W. The PG-SOT223-4 thermal pad must be soldered to a copper pour of at least 50 mm^2 (single-side 1 oz copper) to keep junction temperature within the 150 C rated maximum per Infineon's SOT-223-4 thermal design guide. Reducing copper area derates continuous current to maintain Tj_max; for full 1.4 A operation, use a 4-layer PCB with bottom-layer copper stitched with thermal vias.
Do not operate the ITS4200SMEPHUMA1 with the tab/OUT pin floating; the tab is electrically tied to OUT and must be soldered to the load supply trace for both current path and thermal dissipation. Per Infineon's MINI-PROFET datasheet, omitting the tab connection causes the device to overheat rapidly even at moderate loads. Also note that the logic input is current-controlled, not purely voltage-controlled; the MCU GPIO must source the specified input current through proper pull-up or direct-drive configuration.
Place the device close to the connector it drives to minimize trace inductance. For inductive loads (solenoids, motors, relays), keep the OUT trace short and wide; although the device has internal inductive-load clamping per Infineon datasheet, additional PCB copper helps dissipate the energy from kickback events. Add a 100 nF decoupling capacitor near the supply pin and ensure the GND return path is low-impedance. For automotive designs, follow IEC 61967 and ISO 11452 EMC layout practices with guard traces around sensitive analog circuits.
Per the manufacturer SOT-223-4 footprint reference, use a thermal via array (4-6 vias, 0.3 mm drill, 0.5 mm pitch) under the tab to stitch top-layer copper to inner-layer ground/thermal planes. This significantly reduces junction-to-ambient thermal resistance from approximately 70 C/W (no vias) to under 35 C/W (with via array), enabling full 1.4 A continuous operation at 85 C ambient per Infineon's PCB thermal design guidelines.
Compliance Information
AEC-Q100 qualified per Infineon product page (Newark listing explicitly tags 'AEC-Q100, High Side'). RoHS and REACH compliant per Infineon product family documentation. Halogen-free and lead-free per SOT-223-4 package materials disclosure.
