A Closed-loop Power Control Function for Bio-implantable devices

被引：0

作者：

Kiyoyama, Kouji ^{[1
]}

Tanaka, Yoshito ^{[2
]}

Onoda, Mashahiro ^{[3
]}

Fukushima, Takafumi ^{[4
]}

Tanaka, Tetsu ^{[4
]}

Koyanagi, Mitsumasa ^{[4
]}

机构：

[1] Tohoku Univ, Dept Micronanomachining Res, Aoba Ku, 6-6-01 Aza Aoba, Sendai, Miyagi 9808579, Japan

[2] Nagasaki Inst Appl Sci, Dept Inst Innovat Sci & Technol, Nagasaki 851-0193, Japan

[3] Terumo Co Ltd, Dept Res & Dev Ctr, Shibuya, Tokyo, Japan

[4] Tohoku Univ, Grad Sch Engn, Dept Bioengn & Robot, Sendai, Miyagi 980-8577, Japan

来源：

2008 IEEE ASIAN SOLID-STATE CIRCUITS CONFERENCE | 2008年

基金：

日本科学技术振兴机构;

关键词：

Biomedical circuit; wireless interface; cortical monitoring; wireless power transmission; biomedical inductive coupling; body-implantable devices; closed-loop power control; battery-less; mixed-signal; CMOS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A wireless communication system with a closed-loop power control function for bio-implantable applications is described which keeps the power dissipation of implantable unit at the allowable level for human body. The function is controlled by monitoring an excessive current at the implantable unit and limiting the power transmission at the external interrogator unit. The implantable unit with the closed-loop power control function has been fabricated in a standard 0.18 mu m CMOS technology, achieved less than 530 mu W with a 1.8V and the chip core size of 0.14 mm(2). The system uses inductive coupling at 13.56MHz with internal and external coils. Experimental results confirm its stable power supply to the implantable unit over a coil distance of 0.5 to 10mm.

引用

页码：321 / +

页数：2