CN111756242A - 相冗余方案中的or-fet本体制动 - Google Patents
相冗余方案中的or-fet本体制动 Download PDFInfo
- Publication number
- CN111756242A CN111756242A CN202010217036.0A CN202010217036A CN111756242A CN 111756242 A CN111756242 A CN 111756242A CN 202010217036 A CN202010217036 A CN 202010217036A CN 111756242 A CN111756242 A CN 111756242A
- Authority
- CN
- China
- Prior art keywords
- transistor
- low
- converter
- inductor
- ing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001052 transient effect Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004590 computer program Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/16—Means for providing current step on switching, e.g. with saturable reactor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/157—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/325—Means for protecting converters other than automatic disconnection with means for allowing continuous operation despite a fault, i.e. fault tolerant converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
用于改良直流到直流转换器中感应电流下降时间的一种方法、系统和计算机程序产品,直流到直流转换器具有一个电感器,导电耦合到低端晶体管的第一端,以及一个or‑ing晶体管耦合到第二端,其中直流到直流转换器位于相冗余电源中。该方法包括在发生空载瞬态时,断开低端晶体管,断开or‑ing晶体管。
Description
发明领域
本发明的各个方面主要涉及功率转换器,更确切地说是在相冗余方案中配置的直流到直流功率转换器。
发明背景
现代负载(服务器、GPU、ASIC、网络开关等其他高电流负载)的主机需要小巧、可靠以及高性价比的服务器系统。服务器系统故障的主要原因在于电源。在许多先进的服务器中使用相冗余电源方案,可以提高可靠性。相冗余电源方案通常具有多个冗余功率级。如果功率级出现故障的话,相冗余电源可以检测到,从而隔离出故障的功率级,使系统的其他部分正常运行,不受干扰。常用的相冗余电源具有N+2个功率级,其中N为相的数量。对于一个带有N+2个功率级的相冗余电源来说,2个功率级出现故障时,电源仍然可以正常运行。
为了实现相冗余电源方案,要将多个功率级配置在一起,才能使其中一个发生故障时,将其隔离出电源电路,剩余的功率级可以共享负载。因此,与非冗余电源相比,相冗余电源中的功率级通常至少具有一个额外的晶体管,用于发生故障时,关掉电源转换器。
服务器的另一个主要问题是瞬态性能。确切地说,就是当发生空载瞬态时,电源必须有能力迅速降低电流。
正是在这一前提下,提出了本发明的各种实施例。
发明内容
本发明涉及一种用于改良直流到直流转换器中感应电流下降时间的方法,其中一个低端晶体管电耦合到一个电感器的第一端和地之间,一个OR-ing晶体管耦合到电感器的第二端和直流到直流转换器输出端之间,其中直流到直流转换器在相冗余电源中,该方法包括:发生空载瞬态时,断开低端晶体管,断开OR-ing晶体管。
其中,低端晶体管和OR-ing晶体管都会在检测到空载瞬态时的30纳秒内断开。
其中,电感器通过OR-ing晶体管的体二极管和低端晶体管的体二极管释放能量。
其中,电感器感应电流下降时间小于2.4微秒。
本发明还涉及一种在相冗余电源中的直流到直流转换器,包括:一个电感器;一个低端晶体管,电耦合到电感器的第一端和地之间;一个OR-ing晶体管,电耦合到电感器的第二端和直流到直流转换器输出端之间;一个相冗余控制器,交互耦合到OR-ing晶体管上,其中配置相冗余控制器,使OR-ing晶体管在发生空载瞬态时断开。
其中,低端驱动器接收的信号来自于脉冲宽度调制信号控制器,用于在发生空载瞬态时断开低端晶体管。
其中,低端晶体管和OR-ing晶体管都会在检测到空载瞬态时30纳秒内断开。
其中,电感器通过OR-ing晶体管的体二极管和低端晶体管的体二极管释放能量。
其中,电感器感应电流下降时间小于2.4微秒。
其中,还包括:一个高端晶体管,电耦合到电感器的第一端和直流到直流转换器输入端之间。
附图说明
阅读以下详细说明并参照以下附图之后,本发明的其他特征和优势将显而易见:
图1表示依据本发明的一个实施例,在一个相冗余电源中的直流到直流电压转换器中的电路图。
图2表示依据本发明的各个方面,感应电流、脉冲宽度调制(PWM)信号、智能功率级(SPS)、栅极低(GL)驱动信号以及来自相冗余控制器(PRC)低栅极(LGATE)随时间变化的一组曲线图。
具体实施方式
虽然为了解释说明,以下详细说明中含有许多典型细节,但是本领域的技术人员应理解依据以下细节做出的修改和变化都属于本发明的范围内。因此,以下说明的典型实施例,并不会对所要求保护的发明造成任何一般性损失,并且不对所要求保护的发明施加任何限制。
系统
依据本发明的各个方面,相冗余电源中的电源转换器发生空载瞬态时,可以通过瞬态时断开OR-ing晶体管,来抑制输出电压过冲。图1表示依据本发明的各个方面,在相冗余电源中配置的一个直流到直流转换器100用于抑制输出电压过冲的电路图。此处的直流到直流转换器是相冗余电源的一部分。作为相冗余电源的一部分,直流到直流转换器具有多个元件,使得发生故障时,从电源电路中断开直流到直流转换器,这些元件是一个高端断开晶体管Q1、一个OR-ing晶体管Q2以及一个相冗余控制器101。直流到直流转换器还包括配置主动和被动电源元件,以便调制输出电压(Vout)和监视器负载电流。这些主动电源元件是高端晶体管Q3、低端晶体管Q4、电感器104以及电容器(图中没有表示出)。额外的电压监视和控制单元,例如比例-积分-微分控制器(PID)和脉冲宽度调制信号控制器(PWM)都没有表示出,但是它们至少分别通过PWM引线102交流耦合和导电耦合。
相冗余电源中的直流到直流转换器接收来自电压源103在线电压(Vin)上的电流。作为示例,但不作为局限,电压源103可以提供一个12伏的线电压。然而,本领域的技术人员应理解电压源可以是任意电压,也可以是本领域中使用的任意类型的电压源。来自电压源103的电流流经电阻器R1,产生一个电压降。相冗余控制器101通过电流感应引线CS+和CS-,监控电阻器R1上的电压降。当通过CS+和CS-探测到发生故障时,相冗余控制器101会发出一个信号,断开高端关闭晶体管Q1和OR-ing晶体管Q2,以便保护负载不受故障影响,使相冗余电源利用时间很短或没有断开时间,继续运行。依据本发明的各个方面,相冗余控制器可以接受来自PWM引线102通过PWM的信号。PWM信号可以使PRC在空载瞬态时断开OR-ing晶体管Q2。另外,相冗余控制器可以利用引线Rev+和Rev-,监控通过OR-ing栅极的反向电流。控制器101发送配置信号,通过LGATE,控制OR-ing晶体管Q2的栅极,使得发生Q4 FET故障时,直流到直流转换器能够断开电流。当Q1晶体管发生故障时,SW节点将等效于Vin。通过R2、R3和C1的组合,LX节点将利用(R2||R3)*C1的时间常数监控电压上升。当LX升高超过内部故障阈值时,PRC中的比较器显示Q1晶体管故障,并发送故障,断开Q1和Q2。
在一些实施例中,PRC可以配置在带有足够电路的硬件中,以便根据过载瞬态,进行OR-ing晶体管的切换。在其他实施例中,PRC可以配置成一个集成电路、芯片的一部分。
当高端切断晶体管Q1处于“接通”状态时,电流流经高端栅极晶体管,进入智能功率级105。高端晶体管Q3切换到“接通”状态,根据PWM控制器决定的负载要求,对电感器104充电。当OR-ing栅极Q2处于“接通”状态时,能量在通过Vout离开直流到直流转换器之前,流经高端晶体管Q3、电感器104以及OR-ing栅极Q2。另外,在OR-ing晶体管之后,Q2可以是一个电容器(图中没有表示出)。流经电感器的电流在电感器中建立一个磁场,抵抗电流变化。当所需的电压级达到Vout时,高端晶体管Q3断开,低端晶体管Q4接通。电感器中的磁场开始被破坏,导致电流通过电路流至Vout。当电压级至所需电压级以下时,高端晶体管Q3接通,低端晶体管Q4可以断开。
负载电流的要求根据工作状态的变化而变化。当负载进入轻负载状态时,电流要求将很低。当发生空载瞬态时,必须很快释放存储在电感器104中作为磁场的能量,以避免输出电压过冲。在之前的方法中,仅能通过断开高端晶体管Q3并接通低端晶体管Q4,对电感器放电。然而,这经常会导致不是最优的放电时间。根据本发明的各个方面,最优的放电时间可以通过根据空载瞬态,断开高端晶体管Q3、低端晶体管Q4以及OR-ing晶体管Q2来实现。断开高端晶体管Q3、低端晶体管Q4以及OR-ing晶体管Q2使能量从电感器104通过低端晶体管Q4和OR-ing晶体管Q2的体二极管迅速地降低。这种操作也被称为本体制动。
运行方式
图2表示依据本发明的各个方面,带有OR-ing晶体管本体制动的直流到直流电源运行方式的曲线图。图2最上方的曲线表示感应电流随时间的变化情况。在正常运行时,流经电感器的电流会波动201,以便维持所需的电压输出级。PWM控制器可以检测空载瞬态情况1,可以要求PWM进入如图2所示的上方第二条曲线的三态202。如图2所示的上方第三条曲线,智能功率级(SPS)中的驱动器通过拉低GL low203,对PWM信号2做出响应。这会将低端晶体管设置到“关闭”状态。如图2所示的上方第四条曲线,当接收到三态PWM信号时,PWM信号也被相冗余控制器(PRC)接收到,拉低LGATE信号低204,将OR-ing晶体管切换到“关闭”状态。要注意的是,当图2所示的上方第三和第四条曲线表示在PRC拉低LGATE之前,驱动器拉低GL,但并非仅限于此,GL可以被拉低,LGATE也可以同时被拉低,或者在LGATE被拉低之后,GL才被拉低。在任何情况下,GL和LGATE都被拉低,在检测到空载瞬态之后不久,低端晶体管和OR-ing晶体管就被切换到“断开”状态。随着低端晶体管和OR-ing晶体管处于“断开”状态,感应电流迅速将205降至所需级别,这种现象被称为电感器减速。依据本发明的各个方面,可以在检测到空载瞬态时30纳秒(ns)以内断开低端晶体管Q4和OR-ing晶体管Q2。
当感应电流达到所需级别之后,PWM控制器使PWM离开三态4,并发出低信号。依据本发明的各个方面,减速时间可以小于2.4微秒(μs)。驱动器在SPS处接收低PWM信号,SPS推动GL信号高5将低端晶体管切换到“接通”状态。PWM低信号也被PRC接收,PRC将高信号6发送至LGATE,使OR-ing晶体管切换至“接通”状态。
要注意的是,导电耦合可以是在元件之间提供导电连接的任意表面。例如,导电耦合可以是一个导线、一个在表面上的导电轨道、一个导电引线,或者可以在两个元件之间耦合的其他类型的导电连接。与之类似,导电耦合可以是在耦合的元件之间传输信息的任意连接。即使当第三元件反馈信息时,只要传递的信息导致基本相同的结果,元件就可以与其他元件交流耦合。
依据本发明的各个方面,元件、工艺步骤和/或数据结构可以使用以下不同类型的操作系统;计算平台;用户界面/显示,包括个人或笔记本电脑、电子游戏机、PDA及其他掌上便携设备(例如手机、掌上电脑、便携游戏机等);和/或通用机器等。另外,本领域的技术人员应理解也可以使用通用性较差的设备,例如硬连线设备、现场可编程门阵列(FOG)、专用集成电路(ASIC)等,而不会背离本发明公开的发明构思的范围和精神。
尽管本发明关于某些较佳的版本已经做了详细的叙述,但是仍可能存在其他版本。因此,本发明的范围不应由上述说明决定,与之相反,本发明的范围应参照所附的权利要求书及其全部等效内容。任何可选件(无论首选与否),都可与其他任何可选件(无论首选与否)组合。在以下权利要求中,除非特别声明,否则不定冠词“一个”或“一种”都指下文内容中的一个或多个项目的数量。除非用“意思是”明确指出限定功能,否则所附的权利要求书并不应认为是意义和功能的局限。权利要求书中没有进行特定功能的精确指明的任何项目,都应理解为所述的“意义是”。
Claims (10)
1.一种用于改良直流到直流转换器中感应电流下降时间的方法,其特征在于,一个低端晶体管电耦合到一个电感器的第一端和地之间,一个OR-ing晶体管耦合到电感器的第二端和直流到直流转换器输出端之间,其中直流到直流转换器在相冗余电源中,该方法包括:
发生空载瞬态时,断开低端晶体管,断开OR-ing晶体管。
2.权利要求1所述的方法,其特征在于,低端晶体管和OR-ing晶体管都会在检测到空载瞬态时的30纳秒内断开。
3.权利要求1所述的方法,其特征在于,电感器通过OR-ing晶体管的体二极管和低端晶体管的体二极管释放能量。
4.权利要求1所述的方法,其特征在于,电感器感应电流下降时间小于2.4微秒。
5.一种在相冗余电源中的直流到直流转换器,其特征在于,包括:
一个电感器;
一个低端晶体管,电耦合到电感器的第一端和地之间;
一个OR-ing晶体管,电耦合到电感器的第二端和直流到直流转换器输出端之间;
一个相冗余控制器,交互耦合到OR-ing晶体管上,其特征在于,配置相冗余控制器,使OR-ing晶体管在发生空载瞬态时断开。
6.权利要求5所述的直流到直流转换器,其特征在于,低端驱动器接收的信号来自于脉冲宽度调制信号控制器,用于在发生空载瞬态时断开低端晶体管。
7.权利要求5所述的直流到直流转换器,其特征在于,低端晶体管和OR-ing晶体管都会在检测到空载瞬态时30纳秒内断开。
8.权利要求5所述的直流到直流转换器,其特征在于,电感器通过OR-ing晶体管的体二极管和低端晶体管的体二极管释放能量。
9.权利要求5所述的直流到直流转换器,其特征在于,电感器感应电流下降时间小于2.4微秒。
10.权利要求5所述的直流到直流转换器,其特征在于,还包括:
一个高端晶体管,电耦合到电感器的第一端和直流到直流转换器输入端之间。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/368,731 US10833577B2 (en) | 2019-03-28 | 2019-03-28 | OR-fet body brake in phase redundant scheme |
| US16/368,731 | 2019-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111756242A true CN111756242A (zh) | 2020-10-09 |
| CN111756242B CN111756242B (zh) | 2024-11-15 |
Family
ID=72605040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010217036.0A Active CN111756242B (zh) | 2019-03-28 | 2020-03-24 | 相冗余方案中的OR-ing晶体管本体制动 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10833577B2 (zh) |
| CN (1) | CN111756242B (zh) |
| TW (1) | TWI741542B (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12130715B2 (en) | 2022-09-27 | 2024-10-29 | International Business Machines Corporation | Adaptive spare stages in configurable VRM card |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6031743A (en) * | 1998-10-28 | 2000-02-29 | International Business Machines Corporation | Fault isolation in a redundant power converter |
| CN101960700A (zh) * | 2008-03-03 | 2011-01-26 | 英特赛尔美国股份有限公司 | 对降压直流-直流转换器的零电感器电流的高端感测 |
| CN102265495A (zh) * | 2008-12-26 | 2011-11-30 | 株式会社理光 | 直流-直流转换器以及具有直流-直流转换器的电源电路 |
| CN103916013A (zh) * | 2013-01-09 | 2014-07-09 | 英飞凌科技奥地利有限公司 | 用于dc-dc变换器的主动瞬态响应 |
| US20140369084A1 (en) * | 2013-06-14 | 2014-12-18 | Michael H. Freeman | Electrical circuit for delivering power to consumer electronic devices |
| US20160079856A1 (en) * | 2014-09-15 | 2016-03-17 | Realtek Semiconductor Corporation | DC-to-DC converter and converting method of discontinuous conduction mode |
| CN107872155A (zh) * | 2016-09-23 | 2018-04-03 | 德克萨斯仪器德国股份有限公司 | 用于直流‑直流转换器的以pfm模式的扩频的实施 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7071660B2 (en) * | 2004-02-20 | 2006-07-04 | Virginia Tech Intellectual Properties, Inc. | Two-stage voltage regulators with adjustable intermediate bus voltage, adjustable switching frequency, and adjustable number of active phases |
| CN103023128B (zh) * | 2011-09-27 | 2016-06-15 | 台达电子企业管理(上海)有限公司 | 一种用于ups服务器的电源系统 |
| WO2016038601A1 (en) * | 2014-09-10 | 2016-03-17 | B.G. Negev Technologies And Applications Ltd., At Ben-Gurion University | A voltage regulator module using a load-side auxiliary gyrator circuit |
| US10483810B2 (en) * | 2014-11-07 | 2019-11-19 | Murata Manufacturing Co., Ltd. | Variable-distance wireless-power-transfer system with fixed tuning and power limiting |
-
2019
- 2019-03-28 US US16/368,731 patent/US10833577B2/en active Active
-
2020
- 2020-03-24 CN CN202010217036.0A patent/CN111756242B/zh active Active
- 2020-03-26 TW TW109110270A patent/TWI741542B/zh active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6031743A (en) * | 1998-10-28 | 2000-02-29 | International Business Machines Corporation | Fault isolation in a redundant power converter |
| CN101960700A (zh) * | 2008-03-03 | 2011-01-26 | 英特赛尔美国股份有限公司 | 对降压直流-直流转换器的零电感器电流的高端感测 |
| CN102265495A (zh) * | 2008-12-26 | 2011-11-30 | 株式会社理光 | 直流-直流转换器以及具有直流-直流转换器的电源电路 |
| CN103916013A (zh) * | 2013-01-09 | 2014-07-09 | 英飞凌科技奥地利有限公司 | 用于dc-dc变换器的主动瞬态响应 |
| US20140369084A1 (en) * | 2013-06-14 | 2014-12-18 | Michael H. Freeman | Electrical circuit for delivering power to consumer electronic devices |
| US20160079856A1 (en) * | 2014-09-15 | 2016-03-17 | Realtek Semiconductor Corporation | DC-to-DC converter and converting method of discontinuous conduction mode |
| CN107872155A (zh) * | 2016-09-23 | 2018-04-03 | 德克萨斯仪器德国股份有限公司 | 用于直流‑直流转换器的以pfm模式的扩频的实施 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111756242B (zh) | 2024-11-15 |
| US10833577B2 (en) | 2020-11-10 |
| TWI741542B (zh) | 2021-10-01 |
| TW202105893A (zh) | 2021-02-01 |
| US20200313542A1 (en) | 2020-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108696120B (zh) | 电源相、多相电源和控制多相电源的方法 | |
| US9036314B2 (en) | Systems and methods providing current protection to an electronic system | |
| US20150229160A1 (en) | Power failure prevention system and circuits | |
| EP3046240A2 (en) | Integrated circuit charge pump with failure protection | |
| US9178385B2 (en) | Backup power control system | |
| US6304256B1 (en) | Display unit | |
| US6738270B2 (en) | Parallel power source system | |
| KR101165282B1 (ko) | 전력 제어 시스템 개시 방법 및 회로 | |
| US20200409442A1 (en) | Power supply circuit and power supply voltage supply method | |
| US20050122089A1 (en) | Power supply apparatus and power supply control device | |
| US10187055B2 (en) | Output discharge techniques for load switches | |
| JP5107790B2 (ja) | レギュレータ | |
| CN111756242A (zh) | 相冗余方案中的or-fet本体制动 | |
| JP2008193283A (ja) | 整流装置 | |
| TWI257545B (en) | Integrated circuit for reducing CPU surge, computer system with the integrated circuit, and method for reducing CPU surge | |
| CN104737431A (zh) | 用于控制dc/dc降压转换器的启动序列的方法和装置 | |
| JP2023107651A (ja) | 電源遮断保護回路、電源遮断保護回路の制御方法、電源遮断保護コントローラ、データ記憶装置 | |
| JP2002215273A (ja) | 電源システム及び活線挿抜方法 | |
| JP2023104630A (ja) | 電源遮断保護回路、電源遮断保護コントローラ、データ記憶装置 | |
| CN112087046B (zh) | 电源交换电路 | |
| US6798256B1 (en) | Resonant buffer apparatus, method, and system | |
| JP6753348B2 (ja) | スイッチング素子の駆動回路 | |
| CN220556708U (zh) | 一种电源输出保护装置及电源系统 | |
| US20240413755A1 (en) | Scalable power supply system | |
| JP2003223229A (ja) | 安定化電源装置およびそれを用いた電子機器 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |