WO2014019493A1 - 一种功率放大器减耗装置、方法以及移动终端 - Google Patents
一种功率放大器减耗装置、方法以及移动终端 Download PDFInfo
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- WO2014019493A1 WO2014019493A1 PCT/CN2013/080396 CN2013080396W WO2014019493A1 WO 2014019493 A1 WO2014019493 A1 WO 2014019493A1 CN 2013080396 W CN2013080396 W CN 2013080396W WO 2014019493 A1 WO2014019493 A1 WO 2014019493A1
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- Prior art keywords
- power amplifier
- temperature
- voltage
- compensation value
- voltage compensation
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0244—Stepped control
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
Definitions
- the invention belongs to the field of energy conservation, and in particular relates to a power amplifier reducing device, a method and a mobile terminal. Background technique
- Mobile terminal products have high power consumption requirements. Battery-powered mobile terminals can reduce their power consumption by increasing their power consumption.
- the power consumption of power amplifiers is the main power consumption part of the whole device. 50% of popular 3G mobile phones can be used. , even more.
- the power amplifier uses the same supply voltage at any ambient temperature, so that at normal temperature and low temperature, its operating voltage is still subject to various indicators that can be met at high temperatures, which leads to the power amplifier at normal temperature and low temperature.
- the efficiency is not optimal, so it is not conducive to reducing the power consumption of the power amplifier. Summary of the invention
- An object of the present invention is to provide a power amplifier consumption reducing device, which aims to solve the problem that the current supply voltage of a power amplifier of a mobile terminal cannot be adjusted with temperature, resulting in a large power consumption of the power amplifier.
- the present invention is implemented in such a manner that a power amplifier reducing device is connected to a power amplifier, and the power amplifier reducing device includes:
- a temperature detector that detects the temperature of the power amplifier
- a voltage converter coupled to the power amplifier to regulate a supply voltage of the power amplifier; Connected to the temperature detector and the voltage converter respectively, searching for a voltage compensation value corresponding to the temperature according to a temperature of the power amplifier detected by the temperature detector, and controlling the voltage conversion according to the voltage compensation value
- the controller outputs a controller that can increase the power supply voltage of the power amplifier.
- Another object of the present invention is to provide a method for reducing power consumption based on the above-described power amplifier consumption reducing apparatus, the method of reducing consumption comprising the following steps:
- Another object of the present invention is to provide a mobile terminal including the above power amplifier reducing device.
- the controller is respectively connected to the temperature detector and the voltage converter, and the controller searches for the voltage compensation value corresponding to the temperature according to the temperature of the power amplifier detected by the temperature detector, and controls the voltage according to the voltage compensation value.
- the converter output increases the power supply voltage of the power amplifier, which allows the power amplifier to be at optimum efficiency at any temperature, greatly reducing the power consumption of the power amplifier.
- FIG. 1 is a circuit block diagram of a power amplifier consumption reduction apparatus according to an embodiment of the present invention
- FIG. 2 is a flowchart of a power amplifier consumption reduction method according to an embodiment of the present invention. detailed description
- FIG. 1 shows a circuit block structure of a power amplifier consumption reducing apparatus according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown, which are described in detail below.
- a power amplifier reducing device is connected to the power amplifier 100, and the power amplifier reducing device includes:
- a temperature detector 200 for detecting the temperature of the power amplifier 100
- a voltage converter 300 coupled to the power amplifier 100 for regulating the supply voltage of the power amplifier 100;
- the amplifier 100 is an efficient supply voltage controller 400.
- temperature detector 200 is a temperature sensor.
- FIG. 2 shows a flow of a method for reducing power consumption of a power amplifier according to an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown, which are described in detail below.
- a method for reducing power consumption based on the power amplifier reducing device described above, the method for reducing consumption includes the following steps:
- Step S1 preset a correspondence table between the temperature of the power amplifier and the voltage compensation value of the power amplifier; wherein, step S1 is preparatory work.
- Step S2 detecting a temperature of the power amplifier
- Step S3 Find a voltage compensation value corresponding to the temperature according to the temperature of the power amplifier, and control the voltage converter to output a power supply voltage capable of improving the efficiency of the power amplifier according to the voltage compensation value; wherein, step S3 is specifically:
- the voltage compensation value corresponding to the temperature corresponding to the temperature is searched, and according to the voltage compensation value, the voltage converter output is controlled to increase the power supply voltage of the power amplifier.
- the embodiment of the invention further provides a mobile terminal comprising the above power amplifier reducing device.
- the controller is respectively connected to the temperature detector and the voltage converter, and the controller searches for the voltage compensation value corresponding to the temperature according to the temperature of the power amplifier detected by the temperature detector, and controls the voltage according to the voltage compensation value.
- the converter output increases the power supply voltage of the power amplifier, which allows the power amplifier to be at optimum efficiency at any temperature, greatly reducing the power consumption of the power amplifier.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
本发明适用于节能领域,尤其涉及一种功率放大器减耗装置、方法以及移动终端。在本发明实施例中,控制器分别与温度检测器和电压变换器连接,控制器根据温度检测器检测的功率放大器的温度,查找与温度对应的电压补偿值,并根据电压补偿值,控制电压变换器输出能提高功率放大器效率的供电电压,可以使得功率放大器在任意温度下都处于最佳效率,大大降低了功率放大器的功耗。
Description
一种功率放大器减耗装置、 方法以及移动终端 技术领域
本发明属于节能领域, 尤其涉及一种功率放大器减耗装置、 方法以及移 动终端。 背景技术
移动终端产品对功耗要求很高, 电池供电的移动终端降低功耗能够增加 其续航能力, 功率放大器的功耗在整个装置中是主要的耗电部分, 目前流行 的 3G手机中能够占 50%, 甚至更多。 在同样输出功率和输入功率下, 功率放 大器的效率越高, 其功耗越小, 因此优化功率放大器效率对降低整机功耗有 很显著的效果。
目前功率放大器在任何环境温度上都釆用相同的供电电压, 这样使得在 常温和低温下, 它的工作电压依然要按照高温下能够满足的各种指标为准, 这导致功率放大器在常温和低温下的效率并未达到最理想的程度, 因此不利 于降低功率放大器的功耗。 发明内容
本发明的目的在于提供一种功率放大器减耗装置, 旨在解决现在的移动 终端的功率放大器的供电电压不能随温度调整, 而导致功率放大器能耗大的 问题。
本发明是这样实现的, 一种功率放大器减耗装置, 与功率放大器连接, 所述功率放大器减耗装置包括:
检测所述功率放大器温度的温度检测器;
与所述功率放大器连接, 调节所述功率放大器供电电压的电压变换器; 以及
分别与所述温度检测器和电压变换器连接, 根据所述温度检测器检测的 功率放大器的温度, 查找与所述温度对应的电压补偿值, 并根据所述电压补 偿值, 控制所述电压变换器输出能提高所述功率放大器效率的供电电压的控 制器。
本发明的另一目的在于提供一种基于上述的功率放大器减耗装置的减耗 方法, 所述减耗方法包括如下步骤:
检测功率放大器的温度;
根据所述功率放大器的温度, 查找与所述温度对应的电压补偿值, 并根 据所述电压补偿值, 控制所述电压变换器输出能提高所述功率放大器效率的 供电电压。
本发明的另一目的在于提供一种包括上述功率放大器减耗装置的移动终 端。
在本发明中, 控制器分别与温度检测器和电压变换器连接, 控制器根据 温度检测器检测的功率放大器的温度, 查找与温度对应的电压补偿值, 并根 据所述电压补偿值, 控制电压变换器输出能提高功率放大器效率的供电电压, 可以使得功率放大器在任意温度下都处于最佳效率, 大大降低了功率放大器 的功耗。 附图说明
图 1是本发明实施例提供的功率放大器减耗装置的电路模块图; 图 2是本发明实施例提供的功率放大器减耗方法的流程图。 具体实施方式
为了使本发明的目的、 技术方案及优点更加清楚明白, 以下结合附图及实施例, 对本 发明进行进一步详细说明。 应当理解, 此处所描述的具体实施例仅仅用以解释本发明, 并不用于限定本发明。
图 1 示出了本发明实施例提供的功率放大器减耗装置的电路模块结构, 为了便于说明, 仅示出了与本发明实施例相关的部分, 详述如下。
一种功率放大器减耗装置, 与功率放大器 100连接, 功率放大器减耗装 置包括:
检测功率放大器 100温度的温度检测器 200;
与功率放大器 100连接,调节功率放大器 100供电电压的电压变换器 300; 以及
分别与温度检测器 200和电压变换器 300连接, 根据温度检测器 200检 测的功率放大器 100 的温度, 查找与温度对应的电压补偿值, 并根据电压补 偿值, 控制电压变换器 300输出能提高功率放大器 100效率的供电电压的控 制器 400。
作为本发明一实施例, 温度检测器 200为温度传感器。
图 2 示出了本发明实施例提供的功率放大器减耗方法的流程, 为了便于 说明, 仅示出了与本发明实施例相关的部分, 详述如下。
一种基于上述的功率放大器减耗装置的减耗方法, 减耗方法包括如下步 骤:
步骤 S1 ,预设功率放大器的温度和功率放大器电压补偿值的对应关系表; 其中, 步骤 S1为预先准备工作。
步骤 S2, 检测功率放大器的温度;
步骤 S3 , 根据功率放大器的温度, 查找与温度对应的电压补偿值, 并根 据电压补偿值, 控制电压变换器输出能提高功率放大器效率的供电电压; 其中, 步骤 S3具体为:
根据功率放大器的温度和对应关系表, 查找与温度对应的与温度对应的 电压补偿值, 并根据电压补偿值, 控制电压变换器输出能提高功率放大器效 率的供电电压。
本发明实施例还提供一种包括上述功率放大器减耗装置的移动终端。
在本发明实施例中, 控制器分别与温度检测器和电压变换器连接, 控制 器根据温度检测器检测的功率放大器的温度, 查找与温度对应的电压补偿值, 并根据电压补偿值, 控制电压变换器输出能提高功率放大器效率的供电电压, 可以使得功率放大器在任意温度下都处于最佳效率, 大大降低了功率放大器 的功耗。
以上所述仅为本发明的较佳实施例而已, 并不用以限制本发明, 凡在本 发明的精神和原则之内所作的任何修改、 等同替换和改进等, 均应包含在本 发明的保护范围之内。
Claims
1、 一种功率放大器减耗装置, 与功率放大器连接, 其特征在于, 所述功率 放大器减耗装置包括:
检测所述功率放大器温度的温度检测器;
与所述功率放大器连接, 调节所述功率放大器供电电压的电压变换器; 以 及
分别与所述温度检测器和电压变换器连接, 根据所述温度检测器检测的功 率放大器的温度, 查找与所述温度对应的电压补偿值, 并根据所述电压补偿值, 控制所述电压变换器输出能提高所述功率放大器效率的供电电压的控制器。
2、 如权利要求 1所述的功率放大器减耗装置, 其特征在于, 所述温度检测 器为温度传感器。
3、 一种基于如权利要求 1所述的功率放大器减耗装置的减耗方法, 其特征 在于, 所述减耗方法包括如下步骤:
检测功率放大器的温度;
根据所述功率放大器的温度, 查找与所述温度对应的电压补偿值, 并根据 所述电压补偿值, 控制所述电压变换器输出能提高所述功率放大器效率的供电 电压。
4、 如权利要求 3所述的减耗方法, 其特征在于, 所述检测功率放大器的温 度或根据所述功率放大器的温度, 查找与所述温度对应的电压补偿值, 并根据 所述电压补偿值, 控制所述电压变换器输出能提高所述功率放大器效率的供电 电压的步骤之前还包括:
预设所述功率放大器的温度和功率放大器电压补偿值的对应关系表。
5、 如权利要求 4所述的减耗方法, 其特征在于, 所述根据所述功率放大器 的温度, 查找与所述温度对应的电压补偿值, 并根据所述电压补偿值, 控制所 述电压变换器输出能提高所述功率放大器效率的供电电压的步骤具体为:
根据所述功率放大器的温度和对应关系表, 查找与所述温度对应的电压补 偿值, 并根据所述电压补偿值, 控制所述电压变换器输出能提高所述功率放大 器效率的供电电压。
6、 一种移动终端, 其特征在于, 所述移动终端包括功率放大器以及与所述 功率放大器连接的功率放大器减耗装置, 所述功率放大器减耗装置包括:
检测所述功率放大器温度的温度检测器;
与所述功率放大器连接, 调节所述功率放大器供电电压的电压变换器; 以 及
分别与所述温度检测器和电压变换器连接, 根据所述温度检测器检测的功 率放大器的温度, 查找与所述温度对应的电压补偿值, 并根据所述电压补偿值, 控制所述电压变换器输出能提高所述功率放大器效率的供电电压的控制器。
7、 如权利要求 6所述的移动终端, 其特征在于, 所述温度检测器为温度传 感器。
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CN201210266714.8 | 2012-07-30 | ||
CN201210266714.8A CN103580616A (zh) | 2012-07-30 | 2012-07-30 | 一种功率放大器减耗装置、方法以及移动终端 |
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US (1) | US20140028402A1 (zh) |
EP (1) | EP2693631A3 (zh) |
JP (1) | JP2014027661A (zh) |
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WO (1) | WO2014019493A1 (zh) |
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US9385775B2 (en) * | 2014-05-27 | 2016-07-05 | Qualcomm Incorporated | Temperature control at power amplifier with transceiver switching |
KR102421372B1 (ko) * | 2014-12-19 | 2022-07-15 | 삼성전자 주식회사 | 전자장치의 발열에 따라 전류소모를 개선하는 방법 및 장치 |
CN104639713B (zh) * | 2015-02-05 | 2018-09-21 | 络达科技股份有限公司 | 可自我检测操作状态的通信模块、通信装置及其检测方法 |
US9698734B2 (en) | 2015-02-15 | 2017-07-04 | Skyworks Solutions, Inc. | Power amplification system with adjustable common base bias |
US9853608B2 (en) * | 2015-06-19 | 2017-12-26 | Qorvo Us, Inc. | Temperature compensation technique for envelope tracking system |
CN106507453A (zh) * | 2016-10-24 | 2017-03-15 | 努比亚技术有限公司 | 一种辐射功率和功耗的优化方法及终端 |
CN106817498A (zh) * | 2016-12-26 | 2017-06-09 | 努比亚技术有限公司 | 一种移动终端发射功耗自适应调节装置及方法 |
CN112834809B (zh) * | 2019-11-25 | 2023-12-01 | 北京比特大陆科技有限公司 | 电压补偿的方法、装置和电子设备 |
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- 2013-07-26 EP EP13178127.0A patent/EP2693631A3/en not_active Withdrawn
- 2013-07-30 WO PCT/CN2013/080396 patent/WO2014019493A1/zh active Application Filing
- 2013-07-30 JP JP2013157777A patent/JP2014027661A/ja active Pending
- 2013-07-30 US US13/954,615 patent/US20140028402A1/en not_active Abandoned
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WO2011007556A1 (ja) * | 2009-07-13 | 2011-01-20 | パナソニック株式会社 | ポーラ変調器 |
WO2011148939A1 (ja) * | 2010-05-27 | 2011-12-01 | 住友電気工業株式会社 | 増幅回路、無線通信装置、無線通信システム、及びリモートラジオユニット |
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US20140028402A1 (en) | 2014-01-30 |
EP2693631A2 (en) | 2014-02-05 |
EP2693631A3 (en) | 2017-09-06 |
CN103580616A (zh) | 2014-02-12 |
JP2014027661A (ja) | 2014-02-06 |
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