IPB180P04P4L02ATMA2 - 40V P-Channel 180A OptiMOS-P2 MOSFET | Infineon
MPN: IPB180P04P4L02ATMA2 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.85 | $3.85 |
| 10 | $3.4 | $34.00 |
| 100 | $2.55 | $255.00 |
| 500 | $2.1 | $1,050.00 |
| 1,000 | $1.85 | $1,850.00 |
Drop-in alternatives for IPB180P04P4L02ATMA2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
IPB180P04P4L-02
β Drop-Inπ Reference alternative (not in catalog)
IPB180P04P4L02ATMA2 Maximum Ratings & Electrical Characteristics
| Manufacturer | Infineon Technologies |
| Series | OptiMOS-P2 |
| Transistor Type | P-Channel MOSFET |
| Drain-Source Voltage (VDS) | 40 V |
| Continuous Drain Current (ID) at Tc | 180 A |
| Power Dissipation (PD) at Tc | 150 W |
| On-State Resistance RDS(on) max | 2.4 mOhm at VGS = -10 V (per Infineon product page) |
| Operating Temperature Range | -55 C to +175 C (junction) |
| Package | PG-TO263-7-3 (D2PAK-6, 7-pin) |
| Mounting Type | Surface Mount |
| Pin Count | 7 (6 + tab) |
| Automotive Qualification | AEC-Q101 |
| RoHS Status | Compliant (per Infineon product page) |
| Tab Connection | Drain |
IPB180P04P4L02ATMA2 Pin Configuration
| Pin 1 | Gate β Gate control input (drive to GND to turn ON) |
| Pin 2 | Source β Source terminal (connect to load/system voltage) |
| Pin 3 | Source β Source terminal (parallel pin 2) |
| Pin 4 | Source β Source terminal (parallel pin 2) |
| Pin 5 | Source β Source terminal (parallel pin 2) |
| Pin 6 | Source β Source terminal (parallel pin 2) |
| Pin 7 | Tab (Drain) β Drain terminal and thermal tab (PCB heatsink) |
Safe Operating Area (DC, Tc=25C)
Typical Applications
IPB180P04P4L02ATMA2 is suitable for 6 applications: 12V Automotive High-Side Load Switch, 24V Truck/Powertrain Motor Bridge Switch, Reverse-Battery / Load-Dump Protection, Server ORing / Hot-Swap Power Switch, Industrial 24V Solenoid/Valve Driver, USB PD / High-Current Charging Switch.
12V Automotive High-Side Load Switch
The IPB180P04P4L02ATMA2 is ideal as a high-side load switch in 12 V automotive board nets because its P-channel polarity eliminates the need for a charge-pump or bootstrap circuit to drive a high-side N-channel FET. The 40 V VDS rating provides comfortable transient headroom above the 12 V nominal (which can spike to 35 V during load-dump per ISO 7637-2), and the 2.4 mOhm RDS(on) keeps conduction loss minimal even at 100+ A continuous loads driving halogen lamps or PTC heaters.
Recommended
24V Truck/Powertrain Motor Bridge Switch
In 24 V truck and off-highway powertrain systems, the IPB180P04P4L02ATMA2 serves as the high-side switch in an H-bridge driving small DC motors for pumps, fans, and actuators. The 180 A continuous and pulsed current capability handles motor inrush transients, while the AEC-Q101 qualification ensures operation across -40 C to +125 C ambient. Compared to mechanical relays, this MOSFET provides PWM speed control with no audible contact wear and far higher reliability.
Recommended
Reverse-Battery / Load-Dump Protection
Placed in series with the battery feed, the IPB180P04P4L02ATMA2 acts as a reverse-battery and load-dump protection FET, blocking negative transients and clamping positive load-dump spikes to safe levels. The P-channel topology keeps the body diode reverse-biased during normal operation, so the FET conducts only when the gate is pulled low (system ON). Its 40 V VDS and 150 W PDC rating comfortably absorb the energy in ISO 7637-2 load-dump pulses when properly heatsunk.
Recommended
Server ORing / Hot-Swap Power Switch
In redundant 12 V server power distribution, the IPB180P04P4L02ATMA2 is used as a high-side ORing FET that isolates a failed supply rail from the live bus. The 2.4 mOhm RDS(on) minimizes voltage drop and dissipation, while the 40 V rating covers transients on a 12 V rail. P-channel drive simplicity (gate pulled to GND to turn ON) lets a controller IC manage fast turn-off during reverse-current detection, protecting downstream components.
Recommended
Industrial 24V Solenoid/Valve Driver
For industrial 24 V solenoid and hydraulic valve control, the IPB180P04P4L02ATMA2 provides a PWM-controllable high-side switch with on-resistance low enough to drive 24 V solenoids at the maximum rated current without external heatsinking in many cases. The D2PAK-7 tab can be screwed directly to a chassis heatsink for high-duty-cycle applications. The -55 C to +175 C junction range supports harsh factory-floor environments.
Recommended
USB PD / High-Current Charging Switch
The IPB180P04P4L02ATMA2 can be used as the high-current load switch in USB-Power-Delivery and proprietary fast-charging adapters, where its low RDS(on) keeps voltage drop across the cable-management FET below 50 mV even at 5 A continuous. The P-channel topology supports low-side current sensing, and the D2PAK-7 footprint handles the elevated power dissipation at 20 V input, 5 A output (P = I^2 x R = 25 x 0.0024 = 0.06 W).
Recommended
Recommended Products Summary
Engineering reference data for IPB180P04P4L02ATMA2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | IPB180P04P4L-02 | IPD50P04P4L11ATMA2 | IRFR4905TRPBF |
|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon |
| Package | PG-TO263-7-3 (D2PAK-7) | PG-TO263-7-3 (D2PAK-7) - same | PG-TO252-3 (DPAK-3) - different | TO-252 (DPAK) - different |
| Polarity | P-Channel | P-Channel | P-Channel | P-Channel |
| VDS max | 40 V | 40 V | 40 V | 55 V |
| Continuous Drain Current | 180 A | 180 A | 50 A | 74 A |
| RDS(on) max | 2.4 mOhm at VGS=-10V | 2.4 mOhm | [DATA_NEEDED] | ~20 mOhm |
| Power Dissipation | 150 W | 150 W | [DATA_NEEDED] | ~200 W (TO-220 versions) |
| Automotive Grade | AEC-Q101 | AEC-Q101 | AEC-Q101 | Industrial (not AEC-Q101) |
Key Differentiators
- Highest current in OptiMOS-P2 P-channel family (vs IPD50P04P4L11ATMA2)
- Lower RDS(on) than legacy IR P-channel parts (vs IRFR4905TRPBF)
- AEC-Q101 automotive qualification (vs IRFR4905TRPBF)
Design Notes
Estimated: at VDS = 0.4 V conduction drop with ID = 100 A continuous, conduction loss is approximately 40 W (P = ID x VDS). With D2PAK-7 theta_JC of approximately 0.5 C/W, junction temperature rise above case is ~20 C, but PCB copper-pour theta_JA can drive overall junction rise to 40-60 C above ambient. Provide at least 1 square inch of 2 oz copper under the tab, or use a screw-attached heatsink for >75 W continuous dissipation. Junction must remain below 175 C at worst case.
Layout for D2PAK-7: place the gate pull-down resistor (typically 10-100 kOhm) close to the gate pin to prevent accidental turn-on from Miller-induced dv/dt. The source pins (2-6) are all internally bonded and serve as the load-current return path; use a wide copper pour connecting them. The tab must be soldered to a copper pour of sufficient area to keep thermal resistance low. Per Infineon's OptiMOS-P2 application note, source-sense kelvin connection is not provided - use source pin closest to gate for gate-drive return.
Critical pitfalls: (1) Do not exceed VGS = +/-20 V absolute max - use a Zener clamp on the gate for inductive-load applications. (2) The body diode is forward-biased from drain-to-source (D2PAK-7 convention for P-channel) and has limited reverse-recovery rating - avoid relying on it for high-frequency switching. (3) High-side P-channel requires the gate driver to swing below the source pin (system voltage), which is 12 V or 24 V below ground - use a gate-drive supply referenced to source, not GND. (4) Verify AEC-Q101 PPAP documentation is current with your build date for safety-critical automotive designs.
Compliance Information
AEC-Q101 (automotive-grade) qualified per Arrow distributor listing and Infineon product page. RoHS compliant. Halogen-free status not explicitly stated in the verified web data; consult Infineon product declaration for confirmation.
