High-side switches
PROFET™ product families contain a wide range of high-side power switches designed for 12, 24 and 48 V automotive and industrial applications
High-side switches subcategories
About Infineon high-side smart power switches
Infineon’s PROFET™ protected high-side MOSFET power switches offer solutions for a wide range of 12 V, 24 V, and 48 V automotive and industrial applications and are available as single- and multi-channel switches. Our latest DMOS transistor technologies offer improved short-circuit robustness and better RDS(on) performance as well as high-voltage capability and optimized chip size.
All PROFET™ smart high-side power switch families offer protection against overload, overvoltage, short-circuit, excessive temperature, ground loss, power supply loss, and ESD. Additionally, different PROFET™ families can protect against dynamic overvoltage such as load dump and inductive load turn-off depending on the application they were designed for (e.g., automotive, industrial, commercial, and construction and agricultural vehicles (CAV)).
High-side power switch family designed for a variety of applications
PROFET™ + 12 V family is characterized by its high short-circuit robustness and drives currents from 0.5 A to 11 A. The whole PROFET™ + 12 V high-side switch IC product family is pin-to-pin compatible within the family as well as with the PROFET™ + 24 V family.
PROFET™ + 24 V are designed for higher-voltage supply systems and harsh operation environments like trucks, buses, and construction and agricultural vehicles (CAV). The scalable family with 12 pin-to-pin compatible devices offers comprehensive protection functions, very fast current sense diagnostics, and an extended operating voltage range.
PROFET™ +2 12 V, our latest product family of smart high-side switches, offers protection and a more accurate current sense diagnostics. Designed for nominal load currents from 1 A to 32 A, it addresses a wide range of power distribution applications. The pin-to-pin compatible packages (TSDSO-14 and TSDSO-24) enable ultimate design flexibility and ensure low power dissipation as well as space saving on the PCB. PROFET™ +2 12 V family includes AEC-Q 100 Grade 1 as well as Grade 0 qualified products for high ambient temperature applications and is offered as PRO-SIL™ ISO 26262-ready devices.
PROFET™ Guards families for functional safety relevant automotive applications
Infineon PROFET Guard families are specifically designed for the new 12 V power distribution architectures that are evolving towards zone architecture. The families offer PRO-SIL™ ISO 26262-ready and PRO-SIL™ ISO 26262-compliant products to address the needs of functional safety, relevant for autonomous driving functions and the stability of the overall power net. Due to higher electrification of cars the amount of capacitance per switch increases, which is taken into account in this Guard family with a special capacitive load switching mode.
The Load Guard families comes along with a current limitation feature, accurate currents sensing plus the capacitive load switching mode with a special focus on ADAS loads (e.g., Radar, Lidar, Camera, …)
The Wire Guard families offers an integrated I2t wire protection, which provide a more precise and faster protection functionality. This enables wire harness optimization together with the sequential diagnosis feature. With the automatic idle mode, the devices offer full-load control and self-protection functionality in key-off mode, with minimized power consumption.
Power PROFET™ high-side smart power switches for high current loads
Power PROFET™ are designed to drive high-current loads up to 60 A and used in 12 V, 24 V, and 48 V automotive applications like heaters, glow plugs, pumps, and fans, where high energy capability is required. Embedded in different power packages and featuring the lowest RDS(ON), the Power PROFET™ family offers high current and energy capability in a scalable family. All Power PROFET™ are qualified for automotive applications according to AEC-Q100; Power PROFET™ + are additionally offered as PRO-SIL™ ISO 26262-ready.
Classic PROFET™ high-side power switches for industrial applications
PROFET™ Industrial is designed for industrial applications. Due to their outstanding energy robustness, they are perfectly suitable for high-side relay drivers, as well as switching high-inductance loads. Their main application areas include high-voltage applications (VBAT up to 58 V), high-speed PWM applications (up to 1 kHz), switching higher inductances smoothly, enabling switching of applications with long wiring, or any other kind of inductive loads or applications with space constraints.
Classic PROFET™ high-side power switches for various applications
Classic PROFET™ 12 V is an established and versatile family. With more than 25 years on the market, these power ICs have proven their technical advantages and benefits. They are designed for currents from 0.5 A to 20 A and offer high-energy capability. Additionally, some devices offer a low-current limitation threshold. They also operate in an extended voltage range and offer six different packages in the family.
Classic PROFET™ 24 V is a variant of the Classic PROFET™ 12 V, but designed specifically for 24 V applications: commercial, agriculture, and transport vehicles, ABS, fuel injection, etc. In addition to the features and benefits of the 12 V family, the integrated load switches also offer a high clamping voltage (up to 75 V) and PWM capability. Available in 8 different packages, Classic PROFET™ 24V can drive up to 8 channels. Classic PROFET™ 12 V and 24 V are both automotive qualified.
Infineon’s Smart Switches portfolio is diverse and versatile. It addresses many needs and applications. Although they are automotive qualified and were first develop for automotive applications, the PROFET family are also widely used in industrial and consumer applications.
For more details, please refer to the product families.
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Find information relating to the planned long-term availability of semiconductor products “Longevity” for Automotive Smart Power products.
- Smart power switches and controllers not only are they key partners for the realization of automated driving but they are also one of the founding blocks of current automotive megatrends.
- They are essential when it comes to supplying and distributing power, as well as protecting devices from excessively high current or temperature.
Infineon’s PROFET™ Wire Guard is the perfect smart high-side power switch to address the challenges and needs of future power distribution.
- Recognize Infineon's high-energy smart high-side switch portfolio
- Be familiar with the automotive applications of these products and understand the characteristics and benefits of the Power PROFET™ + in TOLL package
- Recognize the portfolios of PROFET™ +2 12V and Power PROFET™ and identify the advantages of each of these product families
- Distinguish the differentiating features of the newly released devices of the PROFET™ +2 12V and Power PROFET™ + 12V families
- Understand galvanic isolation common to ISOFACE™ products
- Be familiar with the key features of isolated digital output and input products
- Know what PROFET™ +2 12 V and SPOC™ +2 are and recognize their benefits
- Identify the specificities of SPOC™ +2
