Current detection circuit and method

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United States of America Patent

PATENT NO 11579203
SERIAL NO

17949349

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Abstract

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A current detection circuit includes a current sampling branch, a switch branch, a first current mirror branch, a capacitor branch, a feedback branch and a control branch. The control branch receives the second current and outputs the first current and the first voltage signal. The current sampling branch outputs a first discharging current. The switch branch establishes and disconnects the connection between the first current mirror branch and the capacitor branch. The capacitor branch is charged in response to the first charging current and discharged in response to the first discharging current. The first current mirror branch outputs the first charging current. The feedback branch adjusts the second charging current to adjust the first charging current, so that the total charge of the capacitor branch is balanced with the total charge of discharge within one switching cycle, so that the first current is represented by the first charging current.

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Patent Owner(s)

Patent OwnerAddress
HALO MICROELECTRONICS CO LTDUNIT 305-308 BLOCK A8 QIANDENG LAKE VENTURE CAPITAL TOWN NO 6 GUILAN NORTH RD GUICHENG ST NANHAI DISTRICT GUANGDONG PROVINCE FOSHAN CITY 528200

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fan, Jun Foshan, CN 146 1005
Han, Xinkuan Foshan, CN 2 7
Tan, Xiaoliang Foshan, CN 18 19
Zou, Peian Foshan, CN 1 0

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