Infineon TLE7184F3VUMA: High-Current Half-Bridge Driver for Automotive Motor Control Applications

In the rapidly evolving landscape of automotive electronics, the demand for robust, efficient, and intelligent motor control solutions is at an all-time high. Addressing this need, Infineon Technologies introduces the TLE7184F3VUMA, a state-of-the-art high-current half-bridge driver IC engineered specifically for the rigorous demands of automotive applications. This driver is a pivotal component in managing a wide array of systems, from electric power steering (EPS) and engine cooling fans to advanced pump and valve actuators.

The core strength of the TLE7184F3VUMA lies in its exceptional output current capability. It can deliver peak source currents of up to 4.5 A and sink currents of up to 6.5 A, enabling it to directly drive large power MOSFETs with minimal switching losses. This high drive strength ensures fast switching transitions, which is critical for improving motor efficiency and reducing electromagnetic interference (EMI)—a key consideration in the noise-sensitive automotive environment.

Designed with functional safety (FuSa) as a paramount concern, this IC supports the development of systems aiming for ASIL (Automotive Safety Integrity Level) compliance. It integrates a comprehensive suite of advanced diagnostic and protection features, including:

Undervoltage Lockout (UVLO) for both the logic and driver sections.

Overcurrent Protection (OCP) with a precise external sense resistor.

Overtemperature Shutdown (TSD) to prevent thermal runaway.

Short-Circuit Protection (SCP) for both high-side and low-side switches.

These diagnostics are communicated back to the host microcontroller, providing crucial data for predictive maintenance and system health monitoring.

Housed in a compact and robust PG-VQFN-48 package, the TLE7184F3VUMA offers excellent thermal performance, which is essential for dissipating heat in space-constrained under-the-hood environments. Its AEC-Q100 qualified status guarantees reliable operation across the harsh automotive temperature range, from -40°C to 150°C.

ICGOOODFIND: The Infineon TLE7184F3VUMA stands out as a premier solution for automotive motor control, masterfully combining raw driving power with intelligent integrated protection. Its focus on functional safety, comprehensive diagnostics, and high efficiency makes it an indispensable component for next-generation vehicle systems, ensuring both performance and reliability.

Keywords: Automotive Motor Control, Half-Bridge Driver, Functional Safety (FuSa), High-Current Driver, Advanced Diagnostics.