An implantable neurostimulator with an integrated high-voltage inductive power- recovery frontend

This paper present a highly-integrated neurostimulator with an on-chip inductive power-recovery fron- tend and high-voltage stimulus generator. In particular, the power-recovery frontend includes a high-voltage full- wave rectifier (up to 100 V AC input), high-voltage series regulators (24/5 V outpu...

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Veröffentlicht in:Journal of semiconductors 2014-10, Vol.35 (10), p.163-170
1. Verfasser: 王远 张旭 刘鸣 李鹏 陈弘达
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description This paper present a highly-integrated neurostimulator with an on-chip inductive power-recovery fron- tend and high-voltage stimulus generator. In particular, the power-recovery frontend includes a high-voltage full- wave rectifier (up to 100 V AC input), high-voltage series regulators (24/5 V outputs) and a linear regulator (1.8/ 3.3 V output) with bandgap voltage reference. With the high voltage output of the series regulator, the proposed neurostimulator could deliver a considerably large current in high electrode-tissue contact impedance. This neu- rostimulator has been fabricated in a CSMC 1 μm 5/40/700 V BCD'process and the total silicon area including pads is 5.8 mm2. Preliminary tests are successful as the neurostimulator shows good stability under a 13.56 MHz AC supply. Compared to previously reported works, our design has advantages of a wide induced voltage range (26-100 V), high output voltage (up to 24 V) and high-level integration, which are suitable for implantable neu- rostimulators.
doi_str_mv 10.1088/1674-4926/35/10/105012
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subjects Alternating current
Contact
Electric potential
High voltages
Regulators
Semiconductors
Silicon
Voltage
前端
动力回收
感应
植入式
神经刺激器
线性调节器
高压输出
高度集成
title An implantable neurostimulator with an integrated high-voltage inductive power- recovery frontend
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