Pujitha Weerakoon,Goran N. Marnfeldt,Philip L. Weiss
申请号：
US15695965
公开号：
US20180071520A1
申请日:
2017.09.05
申请国别(地区):
US
年份:
2018
代理人:
摘要：
An implantable pulse generator (IPG) is disclosed having a plurality of electrode nodes, each electrode node configured to be coupled to an electrode to provide stimulation pulses to a patient's tissue. The IPG includes a digital-to-analog converter configured to amplify a reference current to a first current specified by first control signals； a first resistance configured to receive the first current, wherein a voltage across the first resistance is held to a reference voltage at a first node； a plurality of branches each comprising a second resistance and configured to produce a branch current, wherein a voltage across each second resistance is held to the reference voltage at second nodes； and a switch matrix configurable to selectively couple any branch current to any of the electrode nodes via the second nodes.
