ITS4200SMEPHUMA1 - 1.4A Smart High-Side Switch | Infineon
Артикул: ITS4200SMEPHUMA1 ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $1.75 | $1,75 |
| 10 | $1.55 | $15,50 |
| 100 | $1.32 | $132,00 |
| 500 | $1.15 | $575,00 |
| 1.000 | $0.99 | $990,00 |
ITS4200SMEPHUMA1 Обзор
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.
Аналоги без доработки для ITS4200SMEPHUMA1 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с ITS4200SMEPHUMA1 (тот же форм-фактор и посадочное место) — отличается по Package, Topology, Product Type, Number of Channels, Operating Temperature.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
ITS4200SMENHUMA1
✅ Прямая замена✓ В наличии
$1.05 / шт.
Открыть даташит →ITS4200SMEOHUMA1
✅ Прямая замена✓ В наличии
$0.98 / шт.
Открыть даташит →BTS3050EJXUMA1
✅ Прямая замена✓ В наличии
$0.86 / шт.
Открыть даташит →BTS3050TFATMA1
✅ Прямая замена✓ В наличии
$1.02 / шт.
Открыть даташит →BTS3028SDRATMA1
✅ Прямая замена✓ В наличии
$0.92 / шт.
Открыть даташит →VN5E010MH
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TPS1H100BQPWPRQ1
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
ITS4200SMEPHUMA1 Максимальные параметры и электрические характеристики
| Product Type | Smart High-Side Power Switch |
| Топология | 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 |
| Тепловая защита | Yes (with auto-restart) |
| Current Limitation | Yes |
| Input Logic Type | Current-Controlled, CMOS-compatible |
| Inductive Load Switching | Yes |
| Корпус | PG-SOT223-4 (4-pin, 3+Tab) |
| Тип монтажа | Surface Mount |
| Рабочая температура | -40C to +125C (automotive grade) |
| AEC-Q100 Qualification | Yes |
| Technology | Smart Power (vertical N-DMOS + charge pump + CMOS logic) |
| Статус RoHS | Compliant |
Конфигурация выводов ITS4200SMEPHUMA1
| Контакт 1 | IN — Logic input (current-controlled, CMOS-compatible) |
| Контакт 2 | OUT — Switched output to load |
| Контакт 3 | GND/STBY — Ground / standby |
| Контакт 4 | TAB (VBB) — Supply voltage tab (load-dump-protected) |
Типичное применение
ITS4200SMEPHUMA1 подходит для 7 применениеs: 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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для ITS4200SMEPHUMA1 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | 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 |
Ключевые отличия
- Integrated reverse polarity protection down to -3 V without external components (против BTS3050EJXUMA1)
- Compact PG-SOT223-4 footprint with full MINI-PROFET integration (против TPS1H100BQPWPRQ1)
- 45 V load-dump protection in MINI-PROFET family (против VN5E010MH)
- Current-controlled input with CMOS compatibility (против BTS3050TFATMA1)
Заметки по проектированию
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.
Информация о соответствии
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.
