IPS6041PBF - 40V High-Side Switch, 2.3A, TO-220AB-5 | Infineon
MPN: IPS6041PBF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.32 | $4.32 |
| 10 | $3.85 | $38.50 |
| 100 | $3.18 | $318.00 |
| 500 | $2.74 | $1,370.00 |
| 1,000 | $2.41 | $2,410.00 |
IPS6041PBF Overview
A high-side switch (HSS) is a power-MOSFET/IC combination that controls a load by placing the switching element between the supply rail and the load, rather than between the load and ground. This topology simplifies wiring harnesses, allows multiple loads to share a common ground, and provides inherent protection against short-to-ground faults. Within the broader taxonomy, the IPS6041 sits at: high-side switch -> load driver / power distribution switch -> power management IC -> semiconductor. Equivalent common names are "smart high-side switch," "intelligent power switch (IPS)," and "protected MOSFET."
Key features include over-temperature shutdown with auto-restart, short-circuit protection with internal current limiting, reverse-battery protection that turns on the MOSFET to dissipate fault energy, an active clamp for inductive loads, open-load detection in both ON and OFF states, and full diagnostic feedback through a status pin. These integrated protections reduce external component count and PCB area compared to discrete MOSFET plus fuse designs.
The internal current limit is set to approximately 7A (Ilim), well above the continuous rating, so the device survives brief inrush events such as lamp cold-filament or motor-start transients without nuisance tripping. Diagnostic output (pin 4) signals fault conditions to a microcontroller via a pull-up to the logic supply, enabling OBD-compliant fault reporting in automotive body-control modules.
Typical applications include automotive body electronics (lighting, door locks, window lifters, seat heaters), industrial PLC outputs, 24V solenoid and valve drivers, and any 12V/24V load that benefits from diagnostic feedback and integrated protection. When designing with this device, derate continuous current to about 1A at TA = 85C in free air, or use the exposed tab with adequate PCB copper to sustain the full 2.3A rating. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for IPS6041PBF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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| Function | Intelligent High-Side Power Switch |
| Drain-to-Source Voltage (Vdss) | 40 V |
| Continuous Load Current | 2.3 A |
| Internal Current Limit (Ilim) | 7 A |
| Input Voltage Range | 5 V to 34 V (operating) |
| Logic Supply (Vcc) | 4.5 V to 5.5 V |
| Operating Temperature Range | -40C to +150C (junction) |
| Package | TO-220AB (5-lead) with tab |
| Mounting Type | Through-Hole |
| Protection Features | Over-temperature, short-circuit, reverse battery, active clamp, open-load detection |
| Diagnostic Output | Yes (pin 4, open-drain) |
| Switching Frequency | 3.5 kHz (per findic.us listing) |
| Power Dissipation | 1.25 W |
| Automotive Qualification | AEC-Q100 qualified (Automotive grade) |
| Lead-Free (PbF) | Yes |
| RoHS Status | Compliant |
| MSL Level | 1 (unlimited) |
IPS6041PBF Pin Configuration
| Pin 1 | GND — Logic ground return |
| Pin 2 | IN — Logic-level input control signal (CMOS) |
| Pin 3 | DG — Diagnostic ground reference |
| Pin 4 | Dg — Diagnostic output, open-drain (fault flag) |
| Pin 5 | Vcc — 5V logic supply |
| Pin TAB | Drain (Load Output) — Connected to load; drain of internal MOSFET |
Typical Applications
IPS6041PBF is suitable for 7 applications: Automotive Interior Lighting Driver, Automotive Door Lock & Window Lifter, Industrial 24V PLC Output Module, HVAC Blower Motor Relay Replacement, Battery-Powered LED String Driver, Solenoid & Valve Driver for Process Control, Power Distribution Switch in Body Control Module.
Automotive Interior Lighting Driver
The IPS6041PBF fits 12V automotive interior lighting (dome, footwell, ambient LED modules) thanks to its 40V Vdss rating that absorbs 12V battery load-dump transients up to 35V, and its 7A internal current limit that handles the cold-filament inrush of incandescent bulbs without nuisance tripping. The diagnostic pin (pin 4) reports open-load (burnt bulb) and short-to-battery faults to the BCM over a single-wire interface, enabling OBD-compliant error logging. With 2.3A continuous capability it can drive multiple parallel LED strings through a current-limit resistor network.
Recommended
Automotive Door Lock & Window Lifter
For door-lock actuators and window-lift motors drawing up to 2A continuous with high stall current, the IPS6041PBF's 7A current limit survives stall events without latch-up, and its over-temperature shutdown with auto-restart protects the IC during prolonged stall. Reverse-battery protection means the part survives accidental reverse polarity during service. Active clamp absorbs inductive kickback from the motor at turn-off, eliminating the need for external flyback diodes and reducing PCB area in the door module.
Recommended
Industrial 24V PLC Output Module
The IPS6041PBF serves as a protected output stage for 24V industrial PLC digital modules driving solenoids, relays, or indicator lamps. Its 40V Vdss comfortably exceeds the 24V nominal plus IEC 61131-2 transient envelope. The diagnostic output feeds back to the PLC logic controller to detect wire-break (open-load) and short-circuit conditions, meeting modern Industry 4.0 predictive-maintenance requirements. The TO-220 tab provides easy heat-sinking in DIN-rail-mounted enclosures.
Recommended
HVAC Blower Motor Relay Replacement
Replacing an electromechanical relay with the IPS6041PBF in HVAC blower-motor control eliminates contact wear and arcing, while adding diagnostic feedback to the climate-control ECU. The device handles 2.3A continuous motor current with the 7A Ilim absorbing start-up surges. Its -40C to +150C junction range suits underhood automotive HVAC applications where ambient temperatures regularly exceed 85C.
Recommended
Battery-Powered LED String Driver
In portable 12V battery-powered LED lighting systems, the IPS6041PBF provides a low-loss (RDS(on) in tens of milliohms) high-side switch with PWM dimming capability via the IN pin. The diagnostic output indicates LED-string open or short faults to the host microcontroller, enabling per-string health monitoring in professional video or architectural lighting fixtures.
Recommended
Solenoid & Valve Driver for Process Control
The IPS6041PBF drives 24V hydraulic or pneumatic solenoid valves in process-control and agricultural machinery. Its active clamp absorbs inductive flyback at turn-off without external TVS diodes, and the diagnostic pin reports valve-coil open or short faults back to the central controller over CAN or LIN bus. The TO-220 package with exposed tab is straightforward to heatsink in sealed IP67 enclosures.
Recommended
Power Distribution Switch in Body Control Module
Inside an automotive body control module (BCM), the IPS6041PBF acts as a per-channel protected power-distribution switch for accessories such as seat heaters, mirror heaters, or auxiliary lighting. Each channel benefits from independent short-circuit, over-temperature, and open-load protection, dramatically reducing warranty costs compared to fused solutions. Multiple IPS6041PBF devices can be paralleled on the same 12V rail to drive higher loads, or used individually for fault isolation.
Recommended
Recommended Products Summary
Engineering reference data for IPS6041PBF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | BTS555E2 | VND5E050AJ-E |
|---|---|---|---|
| Package | TO-220AB-5 | TO-220AB-5 (same) | TO-220AB-5 (same) |
| Brand | Infineon | Infineon | STMicroelectronics |
| Vdss (max) | 40 V | 40 V | 40 V |
| Continuous Load Current | 2.3 A | 7 A | 3.5 A |
| Internal Current Limit (Ilim) | 7 A | 20 A | 15 A |
| Reverse Battery Protection | Yes (MOSFET on) | Yes | Yes |
| Open-Load Detection | Yes (ON and OFF state) | Yes | Yes |
| Diagnostic Output | Open-drain (pin 4) | Status pin (active high) | Open-drain (similar) |
| Automotive Qualification | AEC-Q100 | AEC-Q100 | AEC-Q100 |
Key Differentiators
- Best-in-class integrated reverse-battery protection via MOSFET turn-on (vs VND5E050AJ-E)
- Open-load detection in both ON and OFF states (vs Lower-cost discrete MOSFET designs)
- TO-220 through-hole package with exposed tab for robust heatsinking (vs BTS555 SO-8 or D-Pak variants)
Design Notes
Estimated: at V_BATT=14V, V_OUT=0.5V (saturated), and I=2A continuous, the IPS6041PBF dissipates approximately (14V-0.5V)*2A = 27W in worst-case short. During normal regulation at Vds=0.2V the loss is ~0.4W, easily handled by the TO-220 tab with 1 sq-inch copper. Mount the tab to a minimum 100 sq-mm copper area or external heatsink if continuous current exceeds 1.5A in enclosed 60C ambient.
Place a 100nF ceramic bypass capacitor directly between Vcc (pin 5) and GND (pin 1) to suppress logic-supply transients during switching events. A 1uF bulk capacitor on V_BATT near the tab drain is also recommended to provide inrush current for the load. Keep the DG pin trace short to minimize noise coupling into the diagnostic comparator.
Do not connect the IN pin directly to a 12V battery node - the IN pin is a CMOS logic input rated for 5V levels and must be driven from a 5V MCU or level-shifted. Driving IN with 12V will damage the input structure. Similarly, the diagnostic pin Dg requires an external pull-up resistor (typically 10k to Vcc); without this pull-up the diagnostic flag will not report faults to the MCU.
Route the high-current load path through the TO-220 tab rather than through pin leads; the tab carries the full drain current. Use wide copper pours (2 oz recommended) on both top and inner layers to spread heat. Keep analog ground (DG, pin 3) separate from power ground (GND, pin 1) and join them at a single point near the IC to avoid ground-bounce noise coupling into the diagnostic comparator.
Compliance Information
PbF suffix indicates lead-free terminal plating. AEC-Q100 automotive qualified per Infineon product page. Halogen-free status not specified in public excerpts.
