A High-Stability Regulation Circuit with Adaptive Linear Pole–Zero Tracking Compensation for USB Type-C Interface
We present a high-stability regulation circuit to ensure the safety of a device within a wide range of the back-sink current for a USB Type-C interface application. The proposed adaptive linear pole–zero tracking compensation can linearly compensate for the changes in the back-sink current, thereby...
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| Veröffentlicht in: | Electronics (Basel) 2022-07, Vol.11 (14), p.2121 |
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| creator | Tang, Hua Wang, Yuanfei Zhang, David Wei |
| description | We present a high-stability regulation circuit to ensure the safety of a device within a wide range of the back-sink current for a USB Type-C interface application. The proposed adaptive linear pole–zero tracking compensation can linearly compensate for the changes in the back-sink current, thereby adaptively canceling the pole–zero changes caused by the current changes. The simulation results show that the phase margin remains greater than 60°. Meanwhile, the loop bandwidth changes between 45 kHz and 135 kHz, when the current increases from 0 A to 1 A, ensuring excellent loop stability. The high-stability regulation circuit is realized in a standard 180 nm CMOS process with an area of 0.4 mm × 0.6 mm. The chip regulates an output voltage from 4.5 V to 5.5 V with 1 A current capacity and 100 mV maximum dropout voltage with the help of the adaptive linear pole–zero tracking compensation. |
| doi_str_mv | 10.3390/electronics11142121 |
| format | Article |
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The chip regulates an output voltage from 4.5 V to 5.5 V with 1 A current capacity and 100 mV maximum dropout voltage with the help of the adaptive linear pole–zero tracking compensation.</description><identifier>ISSN: 2079-9292</identifier><identifier>EISSN: 2079-9292</identifier><identifier>DOI: 10.3390/electronics11142121</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Bandwidths ; Circuits ; Compensation ; Data buses ; Electric potential ; Interface stability ; Interfaces ; Sensors ; Tracking ; Transistors ; Voltage</subject><ispartof>Electronics (Basel), 2022-07, Vol.11 (14), p.2121</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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| language | eng |
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| source | MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals |
| subjects | Bandwidths Circuits Compensation Data buses Electric potential Interface stability Interfaces Sensors Tracking Transistors Voltage |
| title | A High-Stability Regulation Circuit with Adaptive Linear Pole–Zero Tracking Compensation for USB Type-C Interface |
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