Infineon PVN012S-TPBF: High-Performance Automotive Power Relay
The relentless drive towards vehicle electrification, advanced driver-assistance systems (ADAS), and enhanced comfort features demands robust and reliable electronic components. At the heart of many of these critical automotive applications lies the power relay, a device responsible for intelligently managing high-current circuits. The Infineon PVN012S-TPBF stands out as a premier solution engineered to meet the stringent requirements of modern automotive systems, offering a blend of exceptional performance, reliability, and integration.
This single-pole, normally open (SPST-NO) relay is specifically designed for high-current switching up to 70A, making it an ideal choice for demanding loads. It is commonly deployed in applications such as pre-deployment systems for pyrotechnic devices like airbags and seatbelt pretensioners, electric power steering (EPS) systems, heating elements, and main power distribution units. Its ability to handle significant inrush currents is critical for the safe and reliable operation of these safety-critical and high-power functions.
A key differentiator of the PVN012S-TPBF is its integrated smart control features. Unlike conventional relays, it incorporates a built-in series resistor for precise input current management. This design simplifies the driving circuit for the Engine Control Unit (ECU), reduces the number of external components required, and enhances overall system reliability. Furthermore, the relay includes advanced diagnostic capabilities, such as a status flag pin that provides feedback on the coil energization and switch contact position. This allows the vehicle's main computer to perform real-time health checks, a vital feature for functional safety standards like ISO 26262.

Durability is paramount in the automotive environment, which subjects components to extreme temperatures, constant vibration, and electrical noise. The PVN012S-TPBF is built to withstand these challenges. It features a hermetically sealed package that protects the internal contacts from contamination by dust, humidity, and other pollutants, ensuring consistent performance over its long lifespan. Its construction ensures high resistance to shock and vibration, preventing malfunctions that could be caused by the harsh conditions of the road.
Compliance with automotive quality and reliability standards is a given. The device is AEC-Q100 qualified, guaranteeing that it has passed rigorous stress tests for operation in automotive environments. Its low power consumption during operation contributes to reduced overall vehicle energy expenditure, aligning with the industry's goals for improved efficiency.
In summary, the Infineon PVN012S-TPBF is more than just a switch; it is a sophisticated, high-performance power management solution. Its combination of high-current handling, integrated diagnostics, and robust construction makes it an indispensable component for architects of next-generation automotive systems, particularly where functional safety and reliability are non-negotiable.
ICGOODFIND: The Infineon PVN012S-TPBF is a high-reliability, AEC-Q100 qualified automotive power relay with integrated diagnostics, capable of switching up to 70A. Its hermetically sealed design and smart features make it a top-tier choice for safety-critical and high-power applications like airbag systems and electric power steering.
Keywords: Automotive Relay, High-Current Switching, AEC-Q100 Qualified, Integrated Diagnostics, Hermetically Sealed.
