TW200616305A - Pulse width modulation apparatus by using output voltage feedback delay circuit to automatically change the output frequency - Google Patents

Pulse width modulation apparatus by using output voltage feedback delay circuit to automatically change the output frequency

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Publication number
TW200616305A
TW200616305A TW093134834A TW93134834A TW200616305A TW 200616305 A TW200616305 A TW 200616305A TW 093134834 A TW093134834 A TW 093134834A TW 93134834 A TW93134834 A TW 93134834A TW 200616305 A TW200616305 A TW 200616305A
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TW
Taiwan
Prior art keywords
frequency
output
pulse width
width modulation
signal
Prior art date
Application number
TW093134834A
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English (en)
Other versions
TWI251395B (en
Inventor
Chung-Cheng Wu
Original Assignee
Niko Semiconductor Co Ltd
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Filing date
Publication date
Application filed by Niko Semiconductor Co Ltd filed Critical Niko Semiconductor Co Ltd
Priority to TW93134834A priority Critical patent/TWI251395B/zh
Application granted granted Critical
Publication of TWI251395B publication Critical patent/TWI251395B/zh
Publication of TW200616305A publication Critical patent/TW200616305A/zh

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TW93134834A 2004-11-12 2004-11-12 Pulse width modulation apparatus by using output voltage feedback delay circuit to automatically change the output frequency TWI251395B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW93134834A TWI251395B (en) 2004-11-12 2004-11-12 Pulse width modulation apparatus by using output voltage feedback delay circuit to automatically change the output frequency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW93134834A TWI251395B (en) 2004-11-12 2004-11-12 Pulse width modulation apparatus by using output voltage feedback delay circuit to automatically change the output frequency

Publications (2)

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TWI251395B TWI251395B (en) 2006-03-11
TW200616305A true TW200616305A (en) 2006-05-16

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TWI620396B (zh) * 2016-02-05 2018-04-01 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
TWI651915B (zh) * 2016-02-05 2019-02-21 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
TWI651608B (zh) * 2016-07-26 2019-02-21 廣東歐珀移動通信有限公司 適配器和充電控制方法
US10291043B2 (en) 2016-07-26 2019-05-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
TWI676091B (zh) * 2018-08-24 2019-11-01 浦登有限公司 電源適配器
TWI677164B (zh) * 2018-04-16 2019-11-11 大陸商廣州昂寶電子有限公司 用於電池充電的交流信號功率變換系統、充電系統及方法
US10910852B2 (en) 2016-07-26 2021-02-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter

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US11539230B2 (en) 2016-02-05 2022-12-27 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Device charging system, charging method, and power adapter
TWI651914B (zh) * 2016-02-05 2019-02-21 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
US11070076B2 (en) 2016-02-05 2021-07-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging method, charging system, and power adapter
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TWI656710B (zh) * 2016-02-05 2019-04-11 廣東歐珀移動通信有限公司 充電系統、充電時的保護方法、電源適配器
TWI656707B (zh) * 2016-02-05 2019-04-11 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
TWI656709B (zh) * 2016-02-05 2019-04-11 廣東歐珀移動通信有限公司 充電系統、充電時的保護方法以及電源適配器
TWI656711B (zh) * 2016-02-05 2019-04-11 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
TWI657642B (zh) * 2016-02-05 2019-04-21 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器、充電裝置
US10992160B2 (en) 2016-02-05 2021-04-27 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging device, charging method, power adapter and terminal
US10277053B2 (en) 2016-02-05 2019-04-30 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, lightning protection method for terminal during charging, and power adapter
US10985595B2 (en) 2016-02-05 2021-04-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Adapter and method of controlling charging process
US10910866B2 (en) 2016-02-05 2021-02-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method for terminal and power adapter
TWI661640B (zh) * 2016-02-05 2019-06-01 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法及電源適配器、開關電源
TWI661644B (zh) * 2016-02-05 2019-06-01 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
US10340727B2 (en) 2016-02-05 2019-07-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method, and power adapter
TWI661646B (zh) * 2016-02-05 2019-06-01 廣東歐珀移動通信有限公司 充電系統、充電方法及電源適配器、充電裝置
TWI661645B (zh) * 2016-02-05 2019-06-01 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
US10886772B2 (en) 2016-02-05 2021-01-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method for terminal, and power adapter
US10320225B2 (en) 2016-02-05 2019-06-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method for increasing service life of battery of terminal and power adapter thereof
US10326297B2 (en) 2016-02-05 2019-06-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
TWI663805B (zh) * 2016-02-05 2019-06-21 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
TWI663810B (zh) * 2016-02-05 2019-06-21 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
TWI663811B (zh) * 2016-02-05 2019-06-21 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
US10340718B2 (en) 2016-02-05 2019-07-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
TWI655821B (zh) * 2016-02-05 2019-04-01 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
US10819134B2 (en) 2016-02-05 2020-10-27 Guangdong Oppo Mobile Telecommuncations Corp., Ltd. Adapter and method for charging control
US10348121B2 (en) 2016-02-05 2019-07-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, lightning protection method for terminal during charging, and power adapter
US10381861B2 (en) 2016-02-05 2019-08-13 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
US10381860B2 (en) 2016-02-05 2019-08-13 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Adapter and charging control method
US10389164B2 (en) 2016-02-05 2019-08-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, protection method for preventing from impact of surge voltage and power adapter
US10411496B2 (en) 2016-02-05 2019-09-10 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method, and power adapter
US10461568B2 (en) 2016-02-05 2019-10-29 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
US10727687B2 (en) 2016-02-05 2020-07-28 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and method for terminal, power adapter and charging device
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US10566829B2 (en) 2016-02-05 2020-02-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Adapter and charging control method
US10566827B2 (en) 2016-02-05 2020-02-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Adapter and charging control method
US10581264B2 (en) 2016-02-05 2020-03-03 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Adapter and charging control method
TWI620396B (zh) * 2016-02-05 2018-04-01 廣東歐珀移動通信有限公司 用於終端的充電系統、充電方法以及電源適配器
CN107912076A (zh) * 2016-02-05 2018-04-13 广东欧珀移动通信有限公司 用于终端的充电系统、充电方法以及电源适配器
US10644529B2 (en) 2016-02-05 2020-05-05 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Adapter and method for charging control
US10651677B2 (en) 2016-02-05 2020-05-12 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method, and power adapter and switching-mode power supply
US10680460B2 (en) 2016-02-05 2020-06-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method and power adapter for charging a rechargeable battery
TWI661639B (zh) * 2016-07-26 2019-06-01 廣東歐珀移動通信有限公司 適配器和充電控制方法
TWI661291B (zh) * 2016-07-26 2019-06-01 廣東歐珀移動通信有限公司 適配器和充電控制方法
US10910852B2 (en) 2016-07-26 2021-02-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
US10291043B2 (en) 2016-07-26 2019-05-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
TWI658675B (zh) * 2016-07-26 2019-05-01 廣東歐珀移動通信有限公司 適配器和充電控制方法
TWI657638B (zh) * 2016-07-26 2019-04-21 廣東歐珀移動通信有限公司 適配器和充電控制方法
TWI653520B (zh) 2016-07-26 2019-03-11 廣東歐珀移動通信有限公司 適配器和充電控制方法
TWI651608B (zh) * 2016-07-26 2019-02-21 廣東歐珀移動通信有限公司 適配器和充電控制方法
TWI677164B (zh) * 2018-04-16 2019-11-11 大陸商廣州昂寶電子有限公司 用於電池充電的交流信號功率變換系統、充電系統及方法
TWI676091B (zh) * 2018-08-24 2019-11-01 浦登有限公司 電源適配器

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