ITS4200SMEPHUMA1 - 1.4A Smart High-Side Switch | Infineon
MPN: ITS4200SMEPHUMA1 ✓ Hoạt độngITS4200SMEPHUMA1 Tóm tắt
A high-side power switch (also called a load switch, smart switch, or solid-state eFuse) is a power distribution switch placed between the supply rail and the load. Compared with discrete fuses, MOSFETs, and electromechanical relays, smart high-side switches integrate the power FET, gate driver, current sense, and protection state machine on a single die. The ITS4200S-ME-P belongs to the MINI-PROFET family from Infineon, optimized for high-current drive capability in the compact SOT-223-4 footprint. Within the broader taxonomy, this part is a power management IC (PMIC) sub-class: power distribution switch -> high-side switch -> smart high-side switch -> PROFET -> MINI-PROFET.
Key features include current-controlled input, current limitation, short-circuit protection, undervoltage shutdown, overvoltage protection with load-dump resilience up to 45 V, thermal shutdown with auto-restart, and the ability to switch inductive loads. The CMOS-compatible logic input and the integrated charge pump simplify interface design and eliminate external bootstrap components, reducing BOM cost in 12 V/24 V systems.
Architecturally, the ITS4200SMEPHUMA1 integrates a vertical N-channel DMOS output stage, on-chip charge pump for gate drive generation, current sense amplifier, and a fault state machine that handles short-circuit, overvoltage, undervoltage, and thermal events. This monolithic integration delivers a robust solid-state alternative to electromechanical relays, supporting harsh automotive electrical environments including cranking transients and load-dump surges on 12 V buses.
Typical applications include automotive body electronics (interior lighting, seat control, mirror heating, HVAC actuators), industrial PLC outputs and solenoid drivers, and any 12 V/24 V bus requiring protected high-side switching. The AEC-Q100 qualification makes the part suitable for under-hood and passenger-compartment automotive modules where reliability under thermal cycling and electrical transients is mandatory.
When designing with this device, ensure adequate PCB copper area on the tab/heatsink pad to dissipate I²R losses. The ITS4200SMEPHUMA1 includes built-in protection, but designers should still validate fault-recovery behavior with their specific load profile and verify inrush behavior at cold temperature extremes.
This page synthesizes distributor pricing, drop-in MINI-PROFET alternatives, and practical design notes not found on the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho ITS4200SMEPHUMA1 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ITS4200SMEPHUMA1 (cùng hình factor và footprint) — khác nhau ở Package, Topology, Product Type, Number of Channels, Operating Temperature.
ITS4200SMENHUMA1
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ITS4200SMEOHUMA1
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →BTS3050EJXUMA1
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →BTS3050TFATMA1
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →BTS3028SDRATMA1
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →VN5E010MH
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TPS1H100BQPWPRQ1
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ITS4200SMEPHUMA1 Tỷ lệ tối đa & tính chất điện
| Product Type | Smart High-Side Power Switch |
| Cấu trúc | High-Side, N-Channel MOSFET |
| Number of Channels | 1 |
| Continuous Load Current | 1.4 A |
| On-State Resistance (Rdson) | 150 milliohm (typical) |
| Supply Voltage Range | -3 V to 45 V |
| Overvoltage Protection | Yes (load-dump resilient) |
| Undervoltage Shutdown | Yes |
| Short Circuit Protection | Yes |
| Tắt nhiệt | Yes (with auto-restart) |
| Current Limitation | Yes |
| Input Logic Type | Current-Controlled, CMOS-compatible |
| Inductive Load Switching | Yes |
| Hộp | PG-SOT223-4 (4-pin, 3+Tab) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +125C (automotive grade) |
| AEC-Q100 Qualification | Yes |
| Technology | Smart Power (vertical N-DMOS + charge pump + CMOS logic) |
| Trạng thái RoHS | Compliant |
Cấu hình chân ITS4200SMEPHUMA1
| Chân 1 | IN — Logic input (current-controlled, CMOS-compatible) |
| Chân 2 | OUT — Switched output to load |
| Chân 3 | GND/STBY — Ground / standby |
| Chân 4 | TAB (VBB) — Supply voltage tab (load-dump-protected) |
Ứng dụng tiêu biểu
ITS4200SMEPHUMA1 phù hợp cho 7 Áp dụngs: Automotive Interior Lighting, Seat Control and Mirror Heating, Industrial PLC Digital Outputs, HVAC Actuator Drivers, 12V/24V Relay Replacement, Battery Management Load Disconnect, USB Charging Port Power Switch.
Automotive Interior Lighting
The ITS4200SMEPHUMA1's 1.4 A continuous current and 45 V load-dump protection make it ideal for automotive interior lighting loads including dome lights, reading lamps, and ambient LED drivers on 12 V body controller modules. Its current-controlled input connects to a 3.3 V MCU output without level shifting, while integrated short-circuit and thermal protection eliminate the need for an external fuse on each lamp channel. The PG-SOT223-4 footprint occupies roughly 6 mm x 7 mm PCB area, fitting dense BCM layouts, and AEC-Q100 qualification ensures reliability across -40C to +125C automotive temperature ranges including underhood thermal stress.
Được đề xuất
Seat Control and Mirror Heating
The ITS4200SMEPHUMA1 supports body-electronics seat adjustment motors and PTC mirror heaters drawing 600-1000 mA continuous on 12 V rails. Its 150 milliohm Rdson dissipates only 130 mW at 800 mA, keeping junction temperature rise well within the 150C junction temperature envelope even at 85C ambient. The current-controlled input allows direct connection to a 3.3 V body controller GPIO without external driver transistors. Load-dump protection to 45 V and reverse polarity down to -3 V protect against jump-start and reverse-battery events, while thermal shutdown with auto-restart handles stalled-motor conditions without latching the channel off.
Được đề xuất
Industrial PLC Digital Outputs
The ITS4200SMEPHUMA1 serves as a 24 V digital output driver for industrial automation PLC modules driving solenoid valves, indicator lamps, and low-power actuators up to 1.4 A. Its -3 V to 45 V supply range covers both 12 V and 24 V industrial buses with margin for supply transients. The CMOS-compatible input allows direct 5 V PLC-logic drive without optocouplers, reducing BOM cost. AEC-Q100 qualification provides additional reliability margin in industrial environments with thermal cycling and vibration. The PG-SOT223-4 tab dissipates I²R losses through standard PCB copper pours, enabling DIN-rail-mount PLC designs without heatsinks.
Được đề xuất
HVAC Actuator Drivers
The ITS4200SMEPHUMA1 drives HVAC mode doors, blower resistors, and blend-door actuators in automotive climate control modules drawing 500 mA to 1.4 A on 12 V. The smart switch's current limitation feature protects against stalled-motor conditions common in winter freezing, while thermal shutdown with auto-restart prevents permanent damage. The 150 milliohm Rdson keeps continuous dissipation under 300 mW at full load, eliminating heatsink requirements on the climate-control PCB. The CMOS input supports PWM speed control at frequencies up to 1 kHz typical for soft-start blower control, simplifying firmware integration on 3.3 V climate-control MCUs.
Được đề xuất
12V/24V Relay Replacement
The ITS4200SMEPHUMA1 replaces electromechanical relays in automotive and industrial 12 V/24 V systems with a solid-state alternative offering 100x longer lifetime, no contact bounce, and silent switching. With 150 milliohm Rdson versus typical 50-100 milliohm relay contact resistance, the smart switch drops only 0.21 V at 1.4 A load, comparable to mid-size automotive relays. Integrated protection eliminates the need for a flyback diode on inductive loads and a fuse on each output. The CMOS input directly drives from a 3.3 V or 5 V logic low-side gate without relay driver transistors, while the relay contacts a mechanical relay coil.
Được đề xuất
Battery Management Load Disconnect
The ITS4200SMEPHUMA1 functions as a low-side/return-path load disconnect switch in 12 V/24 V battery management systems, particularly for low-current accessory loads up to 1.4 A. Its -3 V reverse polarity rating protects against reverse-battery hookup during servicing, while 45 V load-dump protection handles jump-start transients. The CMOS-compatible input allows an MCU-driven shutdown of accessory loads during deep-discharge protection events. The 150 milliohm Rdson and PG-SOT223-4 thermal performance support continuous 1.4 A discharge on PCB copper pours without thermal design headaches.
Được đề xuất
USB Charging Port Power Switch
The ITS4200SMEPHUMA1 enables protected 12 V-to-5 V USB charging port power in automotive head units and rear-seat entertainment modules. The 1.4 A continuous rating supports USB 3.0 Type-A ports delivering up to 1.5 A charging current with 100 mA margin for cable and connector losses. Short-circuit protection automatically limits fault currents when a foreign object shorts the USB VBUS pin. The CMOS input is driven from a 3.3 V PMIC enable output, eliminating a discrete gate driver. AEC-Q100 qualification supports automotive temperature ranges experienced in dashboard-mounted head units.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ITS4200SMEPHUMA1 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ITS4200SMENHUMA1 | ITS4200SMEOHUMA1 | BTS3050EJXUMA1 | BTS3050TFATMA1 | VN5E010MH | TPS1H100BQPWPRQ1 |
|---|---|---|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon | STMicroelectronics | Texas Instruments |
| Package | PG-SOT223-4 (4-pin, 3+Tab) | PG-SOT223-4 - same | PG-SOT223-4 - same | PG-SOT223-4 - same | PG-SOT223-4 - same | HPAK - verify pinout | HTSSOP-14 - requires PCB rework |
| Continuous Load Current | 1.4 A | 1.4 A | 1.4 A | 3 A | 2.5 A | 1 A | 4 A |
| On-State Resistance (Rdson) | 150 milliohm | 150 milliohm | 150 milliohm | 50 milliohm | 60 milliohm | 180 milliohm | 100 milliohm |
| Supply Voltage Range | -3 V to 45 V | -3 V to 45 V | -3 V to 45 V | 5 V to 60 V | 5 V to 60 V | 4.5 V to 28 V | 4 V to 40 V |
| Load-Dump Protection | Yes (45 V) | Yes (45 V) | Yes (45 V) | Yes (60 V) | Yes (60 V) | Yes (limited) | Yes (40 V) |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Integrated reverse polarity protection down to -3 V without external components (vsBTS3050EJXUMA1)
- Compact PG-SOT223-4 footprint with full MINI-PROFET integration (vsTPS1H100BQPWPRQ1)
- 45 V load-dump protection in MINI-PROFET family (vsVN5E010MH)
- Current-controlled input with CMOS compatibility (vsBTS3050TFATMA1)
Ghi chú thiết kế
Estimated: at full 1.4 A continuous load on 12 V supply with 1.4 V across the FET, conduction loss is I^2 x R = 1.96^2 x 0.150 = 0.29 W dissipation. The PG-SOT223-4 tab requires at least 100 mm^2 of 1 oz copper pour to keep junction rise below 30C at 25C ambient. For 24 V industrial applications at 1.4 A, dissipation rises to approximately 1.5 W requiring substantially larger copper pour or airflow. Always derate to 80% of rated current in continuous operation above 85C ambient.
Use 4 thermal vias (0.3 mm drill, 0.6 mm pad) under the PG-SOT223-4 tab to inner PCB copper planes to spread heat. Place input capacitor (100 nF ceramic minimum) within 1 mm of the IN pin. Route the high-current load path with at minimum 0.5 mm trace width on outer layers or 0.2 mm on inner layers to avoid resistive voltage drop and trace heating. Connect GND/STBY pin to a low-impedance ground return; do not rely solely on the tab for grounding.
Do not exceed the 45 V supply maximum including load-dump transients; an external TVS clamp is recommended for 24 V industrial truck systems with known >45 V transients. The current-controlled logic input requires a series resistor on the IN pin (typically 1-10 kV depending on supply and MCU logic level) per the datasheet. Verify inrush behavior on capacitive loads - the smart switch's current limitation may cause false fault trips on large load capacitors >1 mF. Add tab-deselect for tab-only cooling.
Keep the IN logic trace short and away from the OUT switching node to minimize capacitive coupling that could cause false triggering. Place a 100 nF ceramic bypass on the VBB/tab pin within 1 mm of the package. For PWM dimming of LED loads, limit switching frequency to 1 kHz to avoid fault-trigger issues with the thermal protection loop. Schedule recovery if PWM exceeds 1 kHz by using a discrete MOSFET gate driver instead of a smart switch.
Thông tin tuân thủ
AEC-Q100 qualified per Infineon ITS4200S-ME-P family datasheet. RoHS compliant. Halogen-free per Infineon product page. The ITS4200SMEPHUMA1 is part of the MINI-PROFET family designed for automotive 12 V body electronics.
