研究生: |
薛又誠 Yu-Cheng Hsueh |
---|---|
論文名稱: |
具雙模式控制之低靜態電流降壓式轉換器 A Low Quiescent Current Dual-Mode Control Buck Converter |
指導教授: |
林景源
Jing-Yuan Lin |
口試委員: |
林景源
Jing-Yuan Lin 邱煌仁 Huang-Jen Chiu 張佑丞 Yu-Chen Chang 林宜鋒 Yi-Feng Lin |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
論文出版年: | 2023 |
畢業學年度: | 111 |
語文別: | 中文 |
論文頁數: | 104 |
中文關鍵詞: | 電池使用壽命 、低功耗 、低靜態電流 、降壓式轉換器 、睡眠模式 、自適應導通時間控制 |
外文關鍵詞: | battery life, low power consumption, low quiescent current, buck converter, sleep mode, adaptive on-time control |
相關次數: | 點閱:309 下載:6 |
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近年來可攜式電子產品已是多數人不可或缺的必需品,電源管理 積體電路(Power Management Integrated Circuit, PMIC)已經廣泛應用於手持式裝置、電腦、數位相機等。而因應物聯網(Internet of things, IoT)應用產品的發展,許多商品為達到更長的電池使用壽命,開始往低功耗的方向邁進。在許多手持電子產品或是IoT產品中,其電路喚醒的頻率低,因此讓整體電路無用消耗增加。本文提出「具雙模式控制之低靜態電流降壓式轉換器」其採用TSMC 0.18mm CMOS High Voltage Mixed-Signal based 1P6M製程實現,晶片面積為1.26 ×1.36 mm2。功率級輸入電壓為3.3 V至5 V,輸出電壓為1.8 V,負載範圍為1 μA至200 mA,切換頻率為2 MHz,輸出電感與電容分別為2.2 μH及10 μF。本文提出之設計在睡眠模式下靜態電流為100~200 nA,因此儘管負載降至10 μA還是得以維持高於80%的效率值,另外採用自適應導通時間控制使電路於喚醒時能夠加快負載之暫態響應速度,確保電路於工作模式時提升其效能。
In recent years, portable electronic products have become an indispensable necessity for most people, and power management integrated circuit have been widely used in handheld devices, computers, digital cameras, etc. In recent years, in response to the development of IoT application products, many products have begun to move towards low power consumption in order to achieve longer battery life.In many handheld electronic products or IoT products, the circuit wake-up frequency is much lower than expected, which increases useless consumption of the overall circuit. This paper proposes "A Low Quiescent Current Dual-Mode Control Buck Converter", which is realized by TSMC 0.18mm CMOS High Voltage Mixed-Signal based 1P6M process, with a chip area of 1.26 × 1.36 mm2. The input voltage of the power stage is 3.3 V to 5 V, the output voltage is 1.8 V, the load range is 1 uA to 400 mA, the switching frequency is 2 MHz, the inductance and output capacitance are 2.2 μH and 10 μF respectively. The design proposed in this paper has a quiescent current of 100~200 nA in sleep mode, so even if the load drops to 10 uA, it can still maintain an efficiency value higher than 80%. In addition, the adaptive on-time control is used to speed up the transient state of the load when the circuit wakes up. Response speed ensures that the circuit improves its performance in the working mode.
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