MAS provides high-performance analog and mixed-signal ASSP and ASIC solutions, specializing in the development of low-power Piezo Driver ICs and sensor interfaces. From concept design to in-house wafer probing, we support global electronics manufacturers in optimizing power efficiency and sound pressure levels for industrial and consumer applications.
The Role of Piezoelectric Actuation in Modern Energy-Efficient Systems
Piezoelectric actuation has become a cornerstone in the design of high-efficiency electronics. Unlike traditional electromagnetic components, piezoelectric elements operate through the conversion of electrical energy directly into mechanical displacement. This process is inherently more efficient for applications requiring high sound pressure levels (SPL) or precision movement within a small footprint. In B2B electronic manufacturing, the integration of a dedicated Piezo Driver is essential to manage the high-voltage requirements of these components while maintaining a low current draw from the primary power source.
01. Efficiency
Minimal heat dissipation during actuation.
02. Precision
Sub-micron control in sensor applications.
03. Profile
Ultra-thin form factors for compact R&D.
Technical Advantages of Mixed-Signal Piezo Driver ICs over Electromagnetic Solutions
Traditional electromagnetic buzzers and actuators rely on voice coils that consume significant current and generate electromagnetic interference (EMI). Mixed-signal Piezo Driver ICs mitigate these issues by utilizing capacitive loads. This shift results in lower EMI profiles, making them suitable for sensitive medical and industrial environments. Furthermore, integrated circuits like the MAS6253 offer a 40Vpp output from low-level battery inputs, providing superior sound volume without the bulk of traditional transformers.
MAS6253: 40Vpp multi-tone piezo driver for high-performance acoustic feedback.
Reducing Power Consumption through High-Efficiency Multi-Tone Sound Generation
In industrial alarm systems and consumer portables, multi-tone generation often requires complex software overhead. Advanced ASSP solutions offload this processing to the hardware level. By optimizing the switching frequency and utilizing resonant drive techniques, a Piezo Driver can achieve higher sound pressure levels while reducing the total energy per alert cycle. This is critical for devices powered by coin-cell batteries or solar harvesting systems.
Impact of Advanced Driver Topology on Device Battery Life and Carbon Footprint
The design topology of an integrated circuit directly impacts the thermal efficiency and battery longevity of the end product. For example, synchronous buck-boost DC/DC converters like the MAS6230 work in tandem with sensor interfaces to ensure stable voltage rails even as battery levels fluctuate. By minimizing quiescent current and maximizing conversion efficiency, MAS-designed ICs contribute to longer product lifecycles and reduced electronic waste, supporting global sustainability initiatives in the semiconductor industry.
Application Scope: From Industrial Sensor Interfaces to Consumer Electronics
MAS’s analog and mixed-signal portfolio addresses a wide spectrum of technical requirements:
- Sensor Conditioning: The MAS6513 24-bit IC provides high-resolution signal conditioning for capacitive MEMS sensors in automotive and industrial pressure monitoring.
- Timing Solutions: Ultra-wide temperature range VCTCXO ICs (MAS6287) ensure frequency stability for communication infrastructure.
- Acoustics: Piezo Driver ICs enable reliable alarm and notification functions in consumer white goods and handheld devices.
Optimizing Performance with Integrated Charge Pump and 40Vpp Output Stages
The primary challenge in driving piezoelectric elements is the requirement for high peak-to-peak voltage. MAS addresses this by integrating internal charge pumps within the silicon. This eliminates the need for bulky external inductors or transformers, reducing the overall Bill of Materials (BOM) cost and PCB area. The MAS6253 specifically leverages this topology to deliver 40Vpp, ensuring that even small piezo transducers produce a clear, audible signal in noisy environments.
Scalable ASIC and ASSP Solutions for High-Performance Piezoelectric Control
Beyond standard ASSP products, MAS provides comprehensive ASIC design services tailored to unique client specifications. Our fabless model allows us to focus on high-level schematic design, simulation, and prototype testing. With our in-house wafer probing and testing facility in Helsinki, we manage the full transition from concept to high-volume production, ensuring that every customized circuit meets rigorous performance standards for automotive, industrial, and medical sectors.
Custom ASIC Development & Technical Support
Contact our engineering teams in Helsinki, Tallinn, or Hong Kong to discuss your requirements for analog mixed-signal circuits and piezo driver applications.
