Allegro Introduces 48V Power and Precision Sensors for Robotics

What happened

Allegro MicroSystems announced an expansion of its robotics portfolio with 48V power management and precision position-sensing solutions designed to address key hardware challenges in humanoid robots, targeting system size, weight, thermal management, torque density, and functional safety, alongside a collaboration with Sarcomere Dynamics supporting more natural, human-like dexterity. The new A81481 power management IC (PMIC) integrates power regulation and safety monitoring in a single 6 × 6 mm package, incorporating two buck regulators, five low-dropout (LDO) outputs, and safety diagnostics including a triple-watchdog architecture; its ASIL-D-capable safety features support safety-critical designs, and according to Allegro, the A81481 can cut overall system footprint and bill-of-materials costs by approximately 50%. The A17802 and A17803 inductive position sensors provide rotor-position feedback for high-torque actuators in robotic joints such as shoulders, hips, and knees, with the A17803 also available in an ultra-compact QFN package. For robotic hands and fingers, Allegro offers the CT310 XtremeSense TMR angle sensor (sub-degree angular accuracy in a 2 × 2 mm DFN package) and the A33023 Hall-effect angle sensor. Allegro's Robotics Building Blocks program offers samples and evaluation support for the A81481, A17802, A17803, CT310, and A33023, and the company will showcase its robotics power and sensing solutions at electronica 2026, Hall C6, Booth 129. The source does not state the cause (this is a product introduction with no price or supply-demand change information).

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Source: Power Electronics News · 10/22/2026 · View original source