Infineon IMM101T-046M: A High-Performance Integrated Motor Module for Compact Drives

The relentless drive for miniaturization and efficiency in modern industrial automation, robotics, and consumer appliances places immense pressure on design engineers to deliver more power in increasingly smaller spaces. Addressing this challenge head-on, Infineon Technologies has introduced the IMM101T-046M, a state-of-the-art integrated motor module (IMM) that sets a new benchmark for performance and compactness in three-phase motor drive systems.

This highly integrated module is engineered to simplify design and accelerate time-to-market for a wide range of low-power motor drive applications. By consolidating multiple critical components into a single, compact package, it eliminates the need for complex discrete designs. The IMM101T-046M seamlessly integrates a high-performance ARM® Cortex®-M0 microcontroller (MCU), a three-phase gate driver, and six robust N-channel OptiMOS™ MOSFETs in a single transfer-molded package. This high level of integration drastically reduces the PCB footprint, minimizes external component count, and enhances overall system reliability.

A key strength of the IMM101T-046M lies in its exceptional power density. The integrated OptiMOS MOSFETs are renowned for their low RDS(on) and high switching efficiency, which directly translates to reduced power losses and higher overall system efficiency. This allows for cooler operation and can eliminate the need for bulky heat sinks in many applications, further contributing to a more compact mechanical design. The module is capable of delivering up to 46 A of output current (ITrip,max), making it suitable for driving brushless DC (BLDC) or permanent magnet synchronous (PMSM) motors in applications such as high-speed drills, powerful robotic actuators, and compact industrial pumps.

Beyond hardware, the module is supported by Infineon's comprehensive MOTIX™ IMD700A motor control system IC, which handles all critical control and protection functions. It features advanced capabilities like sensorless field-oriented control (FOC), which ensures smooth, quiet, and precise motor operation across a wide speed range. Built-in protection features such as over-current, over-temperature, and under-voltage lockout safeguard both the module and the motor from potential damage, enhancing the robustness of the end product.

ICGOOODFIND: The Infineon IMM101T-046M represents a significant leap forward in motor drive technology. It successfully combines high power output, intelligent control, and robust protection into an extremely small form factor. For engineers designing the next generation of compact and efficient motor-driven systems, this integrated module offers a compelling solution that reduces design complexity, improves performance, and accelerates development cycles.

Keywords:

Integrated Motor Module (IMM)

Power Density

ARM Cortex-M0

OptiMOS™ MOSFETs

Field-Oriented Control (FOC)