Alps Alpine uses Siemens Symphony to verify mixed-signal touch chip

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Alps Alpine has chosen the Siemens Symphony platform to verify its latest mixed-signal capacitive ouch detection integrated circuit.

www.eenewseurope.com/, May. 02, 2023 – 

mixed-signal applications when developing and verifying its newest, functionally safe capacitance detection integrated circuit (IC).

The Alps Alpine chip enables proximity, touch, and spatial gesture detection across a wide range of human-machine interface systems in demanding applications such as the automotive and smart device spaces with functional safety.

Alps Alpine used the Symphony tool, which is based on Analog FastSPICE, to achieve silicon accurate simulation for its touch detection IC, increasing functional verification productivity by 5x and speeding up the time to market.

The tool combines foundry-certified circuit simulators and industry-standard HDL simulators for efficient and precise verification of complex nanometre-scale mixed-signal ICs. The modular design uses Analog FastSPICE in mixed-signal simulation linked to the digital solvers such as the functional verification engine of the Siemens Questa platform, extending debug productivity.

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"A major feature of our latest IC is the use of absolute self-capacitance detection to achieve outstanding high sensitivity and noise resistance performance," said Akihisa Iikura, IC design manager for Alps Alpine.

"As a manufacturer of in-vehicle electrical components, we are required to comply with the ISO26262 functional safety standard, and the semiconductors we use must additionally comply with aggressive Automotive Safety Integrity Level-B (ASIL-B) requirements. Siemens' Symphony platform helped us to rapidly and successfully design and verify our design's complex operations and functionality. The Symphony platform's exceptional performance, together with its user-friendly interface, led to greater adoption among our verification teams, ultimately resulting in a 5x increase in productivity."

"The need for high-sensitivity capacitive sensing technology is becoming critical in many human-machine interface applications, and mixed-signal innovations such as Alps Alpine's capacitance detection solutions are critical to meet those requirements," said Amit Gupta, vice president and general manager for the Custom IC Verification Division at Siemens Digital Industries Software.

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