A 7m-range, 4.3mW/Ch. Ultrasound ASIC with Universal Energy Recycling TX for All-Weather Metamorphic Robotic 3D Vision System

Han Wu,Miaolin Zhang,Jiaqi Guo,Zhichun Shao,Kian Ann Ng,Jiamin Li,Lian Zhang,Yilong Dong,Liuhao Wu,Chne-Wuen Tsai, Benjamin Ho Yin Lee,Liwei Lin,Jerald Yoo

2021 IEEE Asian Solid-State Circuits Conference (A-SSCC)（2021）

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摘要

A 64-Ch. ultrasound ASIC in 180nm 1P6M standard CMOS is presented for metamorphic robotic machine 3D vision, with 7mrange object detection capability, low-power (4.3mW/Ch.), small form-factor $(5\times 5\times 5cm^{3})$, and lightweight (100g). The proposed Universal Energy Recycling TX (UERTX) driver circuit saves energy by 81% compared to the conventional class-D driver.

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关键词

All-weather,energy-recycling,machine vision,robotic 3D vision,ultra-low power,ultrasound application

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