ITS4200SMENHUMA1 - 700mA 41V Smart High-Side Switch | Infineon
MPN: ITS4200SMENHUMA1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.62 | $16.20 |
| 100 | $1.35 | $135.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.05 | $1,050.00 |
ITS4200SMENHUMA1 Overview
A high-side power switch (also called a smart high-side driver) is a power distribution IC that sits between a positive supply rail and a load, providing controlled turn-on, protection, and diagnostic feedback. Unlike a low-side switch (which switches the load to ground), a high-side switch returns load current directly to ground when the FET is on, eliminating ground-shift noise and offering short-to-ground protection by default. The high-side switch family sits inside the broader taxonomy: power switch IC -> power management IC -> semiconductor device. Related Infineon families include PROFET™, HITFET™, and SPOC™ for various current ranges.
Key features include 0.7 A nominal load current, 41 V load-dump overvoltage protection, embedded thermal shutdown with restart, short-circuit current limitation, open-load detection in OFF state, and very low quiescent current (microamp range) for always-on applications. The CMOS-compatible input pin provides a clean logic interface with pull-down current. The monolithic Smart technology integration puts the vertical power FET, charge pump, and protection logic on a single die.
The ITS4200S-ME-N variant (its full part designation behind the SP-number ITS4200SMENHUMA1) is targeted at industrial-grade applications requiring robust protection. The internal charge pump drives the gate of the N-channel MOSFET above the supply rail so the device behaves as an ideal high-side switch. Diagnostic feedback via the status pin supports advanced fault handling. According to the manufacturer datasheet, the part is not qualified for automotive use per Infineon policy.
Typical applications include industrial PLC digital outputs, building automation relay replacement, USB downstream power switching, sensor and actuator power distribution, and small DC load control in 12 V and 24 V industrial systems. The wide operating voltage range (5 V to 41 V) covers 12 V and 24 V nominal buses including load-dump transients.
When designing with this part, ensure the load current stays below 0.7 A nominal (1 A peak) and respect the SOT-223-4 thermal resistance (around 70 C/W on a standard 2-layer 1 oz PCB) by adding a copper pour under the tab. The status pin needs a pull-up resistor if diagnostics are required; leave it floating otherwise to minimize quiescent current.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for ITS4200SMENHUMA1 — 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 ITS4200SMENHUMA1 (same form factor and footprint) — differing in Package, Automotive Qualified, Operating Temperature Range, Product Type, Topology.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ITS4200S-ME-N
✅ Drop-In📋 Reference alternative (not in catalog)
ITS4100E
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
ITS4280L
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
BTS3028SDRATMA1
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →BSR315PH6327XTSA1
✅ Drop-In✓ In Stock
$0.22 / Unit
View Datasheet →ITS4200SMENHUMA1 Maximum Ratings & Electrical Characteristics
| Product Type | Smart High-Side Power Switch |
| Topology | N-Channel MOSFET, High-Side |
| Nominal Load Current | 0.7 A |
| Operating Voltage Range | 5 V to 41 V |
| Overvoltage Protection (Load Dump) | 41 V |
| Input Logic Level | CMOS-compatible |
| Short-Circuit Protection | Yes (current limitation) |
| Thermal Shutdown | Yes (with restart) |
| Undervoltage Shutdown | Yes |
| Open-Load Detection | Yes (OFF-state diagnostic) |
| Status / Diagnostic Output | Yes |
| Operating Temperature Range | -40 C to +125 C (industrial) |
| Package | SOT-223-4 (PG-SOT223-4) |
| Mounting Type | Surface Mount |
| Family | PROFET™ Industrial |
| Channel Count | 1 |
| RoHS Status | Compliant |
| Automotive Qualified | No (industrial grade only) |
ITS4200SMENHUMA1 Pin Configuration
| Pin 1 | IN — Logic input (CMOS-compatible, active high) |
| Pin 2 | GND — Ground |
| Pin 3 | ST — Status / diagnostic output (open-drain) |
| Pin 4 | Vbb / OUT — Supply and load output (high-side switch terminal) |
| Pin TAB | GND (tab) — Exposed tab internally connected to GND - thermal pad |
Typical Applications
ITS4200SMENHUMA1 is suitable for 6 applications: Industrial PLC Digital Output, Building Automation Relay Replacement, USB Port Power Switching, Sensor and Actuator Power Distribution, Small DC Load Control in 12 V / 24 V Systems, Industrial 24 V Solenoid and Valve Driver.
Industrial PLC Digital Output
The ITS4200SMENHUMA1 fits industrial PLC digital output modules because its 41 V load-dump OVP tolerates the harsh 24 V industrial bus transients (per IEC 61131-2 nominal 24 V DC), and the 0.7 A continuous rating covers typical solenoid, relay-coil, and indicator-lamp loads. Its CMOS-compatible input drives directly from a 3.3 V or 5 V PLC logic output pin without a level shifter, saving board space. The internal short-circuit current limit protects wiring harnesses from a stuck relay or shorted output terminal. The SOT-223-4 footprint with copper-pour tab dissipates up to ~1 W continuously, sufficient for 24 V x 0.7 A loads without an external heatsink.
Recommended
Building Automation Relay Replacement
The ITS4200SMENHUMA1 directly replaces electromechanical relays in HVAC, lighting, and blind-control modules. Its 0.7 A continuous handles typical 24 V AC/DC valve actuators and small lighting loads, while the 41 V overvoltage tolerance survives the inductive kickback from relay coils during turn-off (eliminating the need for external freewheel diodes in many cases). Compared to a mechanical relay, the solid-state ITS4200SMENHUMA1 offers silent operation, longer lifetime (no mechanical wear), and built-in fault diagnostics via the Status pin for predictive maintenance - critical for building management systems.
Recommended
USB Port Power Switching
The ITS4200SMENHUMA1 works as a single-channel USB downstream power switch in industrial and embedded USB hubs. Its 5 V to 41 V input covers USB bus-powered hosts that take 5 V from the system, and the 0.7 A limit aligns with USB 2.0 standard downstream port current (500 mA) plus a margin for inrush. The integrated short-circuit and thermal protection handles the fault case of a downstream short or non-compliant device drawing excessive current. The Status pin signals fault back to the host MCU for OVP/OCP reporting to the USB stack.
Recommended
Sensor and Actuator Power Distribution
In industrial sensor hubs and IoT edge nodes, the ITS4200SMENHUMA1 supplies switched 24 V power to individual sensors and small actuators. The CMOS input lets an MCU GPIO wake up and power-cycle each sensor independently for low-duty-cycle operation, saving overall system quiescent current - critical for battery-backed or energy-harvesting nodes. The 0.7 A capability covers many industrial sensors (pressure, flow, proximity, gas) including their warm-up transients, and the open-load detection reports a disconnected sensor wire without powering the rest of the system.
Recommended
Small DC Load Control in 12 V / 24 V Systems
The ITS4200SMENHUMA1 is well suited to controlling small DC motors, fans, heaters, and lamps in 12 V and 24 V industrial systems. The 0.7 A continuous supports fans up to ~8 W at 12 V or ~17 W at 24 V. Its load-dump 41 V protection handles the automotive-style transient profiles found in mobile equipment, forklifts, and agricultural machinery that nominally run on 24 V. The status feedback enables closed-loop monitoring of the load current in fan-control applications, providing a tachometer-like fault signal if the fan stalls.
Recommended
Industrial 24 V Solenoid and Valve Driver
The ITS4200SMENHUMA1 drives 24 V solenoids and pneumatic/hydraulic valves in industrial process control. Its 41 V OVP safely clamps the back-EMF spike when the solenoid's magnetic field collapses at turn-off, while the 0.7 A limit protects the wiring if the valve jams. Compared to a discrete solution, the integrated thermal shutdown turns off the output if the duty cycle is too high for the SOT-223-4 thermal envelope - critical for PWM-modulated solenoid control where average power can exceed the static rating. The Status pin can signal a jammed-valve condition to the PLC for diagnostics.
Recommended
Recommended Products Summary
Engineering reference data for ITS4200SMENHUMA1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ITS4200S-ME-N | ITS4100E | ITS4280L | BTS3028SDRATMA1 | BSR315PH6327XTSA1 |
|---|---|---|---|---|---|---|
| Package | SOT-223-4 (PG-SOT223-4) | SOT-223-4 (PG-SOT223-4) - same | SOT-223-4 (PG-SOT223-4) - same | SOT-223-4 (PG-SOT223-4) - same | SOT-223-4 (PG-SOT223-4) - same | SOT-223-4 (PG-SOT223-4) - same |
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon | Infineon |
| Nominal Load Current | 0.7 A | 0.7 A | 0.4 A | 1.7 A | ~3 A | ~1.4 A |
| Input Logic Level | CMOS | CMOS | CMOS | CMOS | CMOS | Logic-level P-FET |
| Family | PROFET Industrial | PROFET Industrial | PROFET Industrial | PROFET Industrial | HITFET | Small-signal P-FET |
Key Differentiators
- Full set of integrated protections (OVP, OCP, OTP, UVLO) plus open-load diagnostic (vs BSR315PH6327XTSA1)
- Higher current than ITS4100E (vs ITS4100E)
- Lower current capability than ITS4280L (vs ITS4280L)
Design Notes
Estimated: At continuous 0.7 A load on a 24 V supply driving a 12 V load (P = Vdrop x I = 12 V x 0.7 A = 8.4 W), the SOT-223-4 tab must be soldered to at least 1 square inch of 2-layer 1 oz copper to keep junction temperature below +125 C. With SOT-223 theta_JA around 70 C/W on a 1 sq-in copper pour, 8.4 W dissipation would raise Tj by ~588 C above ambient - clearly not feasible. Practical continuous power is therefore limited to about 1 W on a standard 2-layer PCB, dropping the achievable continuous load current for high-drop applications. For PWM-modulated loads, use duty cycle D to compute average power: P_avg = Vdrop x I x D.
Place the ITS4200SMENHUMA1 close to the connector to minimize loop inductance on the Vbb rail. Add a 100 nF ceramic bypass capacitor directly at pin 4 (Vbb) and a 10 uF / 35 V electrolytic or tantalum bulk capacitor within 5 mm of the pin. The Status pin requires a 10 kohm pull-up to logic supply if diagnostics are used; leave the pin floating (no pull-up) to minimize standby current when diagnostics are not needed. The tab must be soldered to a copper pour on the top layer for thermal dissipation.
Do not use the ITS4200SMENHUMA1 in automotive applications - per the Infineon datasheet it is not qualified per AEC-Q100 and lacks the extended temperature / reliability characterization. For automotive 12 V high-side switching, choose the BTS50080-1ENA or similar PROFET+ 12V automotive part. Also note: the device is not designed for continuous linear operation; do not operate it as a linear regulator. Use it only as a saturated ON / OFF switch. Finally, the load-dump 41 V clamp activates only for transients - sustained operation above the operating voltage range can damage the part.
Route the high-current Vbb trace on the top layer directly to pin 4 with a wide trace (>= 1 mm width per 0.5 A). Keep the input pin 1 trace away from the Vbb pin to avoid capacitive coupling that could false-trigger the input. The GND pin 2 and the tab must connect to a continuous ground pour, not a thin trace. For multi-channel designs, share the ground pour between channels but isolate the Vbb switching loops to avoid cross-talk via the ground bounce.
Compliance Information
RoHS and lead-free compliant per Infineon product page. NOT AEC-Q100 qualified per the manufacturer datasheet - industrial grade only. Halogen-free status not explicitly stated in the verified web data.
