A newly introduced 24-channel mixed-signal device integrates sensing, motor control and fault monitoring functions into a single package, helping engineers reduce system complexity in mission-critical aviation and defence platforms.
A new highly integrated mixed-signal integrated circuit (IC) by Microchip Technology Inc. aims to simplify the design of high-reliability actuation control systems used in aerospace and defence applications. The device consolidates multiple sensing, monitoring and motor-control functions into a single chip, helping engineers reduce system size, weight and component count in mission-critical environments.
Designed for applications such as more-electric aircraft architectures, guided defense systems, drones and launch platforms, the new 24-channel device supports synchronized data acquisition and deterministic control. By combining several analog and digital functions typically distributed across multiple components, the IC reduces board complexity and wiring requirements while improving reliability.
The component is packaged in a compact 144-pin LQFP format and integrates a wide range of sensing and control capabilities. These include pressure and temperature sensing, current monitoring, PWM motor drive outputs and interfaces for position sensors. Dual high-speed SAR ADCs enable precise measurement and timing alignment across multiple channels, supporting accurate feedback in actuator systems.
The key features are:
- 24-channel mixed-signal architecture for sensing and motor control
- Dual high-speed SAR ADCs for synchronized data acquisition
- Integrated pressure, temperature and current sensing support
- Dual LVDT/resolver and Hall-effect sensor interfaces
- Redundant design for fault-tolerant, mission-critical operation
A key design element is its redundant architecture, developed to meet the strict reliability and fault-tolerance requirements of aviation and defense electronics. By consolidating functionality normally handled by microcontrollers, ADCs, DACs, driver ICs and regulators, the device helps system designers streamline electronics while meeting certification and safety standards.
The integration also supports the industry’s push toward lighter and more compact systems, particularly in aircraft and unmanned platforms where reducing weight and power consumption is critical. Fewer discrete components can also improve long-term reliability and simplify system maintenance.
To support development, evaluation hardware and documentation are available for engineers building actuator control systems. An evaluation board provides access to the device’s communication interfaces and functional blocks, allowing engineers to test sensor inputs, motor control outputs and monitoring capabilities. Additional application guidance demonstrates integration with microcontrollers in linear actuator control architectures.
The new device is now available in production quantities, targeting aerospace and defense manufacturers seeking highly integrated solutions for next-generation actuation systems.
