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1. 发明申请

WO2016000763A1 UNIT AND METHOD FOR SYNCHRONOUS RECTIFICATION CONTROL 审中-公开
标题翻译：用于同步整流控制的单元和方法
公开(公告)号：WO2016000763A1
公开(公告)日：2016-01-07
申请号：PCT/EP2014/063967
申请日：2014-07-01
申请人： HUAWEI TECHNOLOGIES CO.,LTD , MA, Jun , TSENGENES, Georgios , TORRICO, Grover
发明人： MA, Jun , TSENGENES, Georgios , TORRICO, Grover
IPC分类号： H03K17/13 , H02M3/335 , H03K5/1534 , H03K5/1536
CPC分类号： H03K17/13 , H02M1/38 , H02M3/33584 , H02M2001/0009 , H02M2001/0058 , H02M2001/0064 , H03K5/1534 , H03K5/1536 , H03K2017/307 , Y02B70/1491
摘要： A synchronous rectification control unit and a method for synchronous rectification control are presented. The synchronous rectification control unit includes a voltage pulse generation circuit (26) configured to measure a current I in a circuit (200) including a power switch (50), and to output a logic high value for a first voltage V1 (28), if the current I has a positive change rate adjacent to a value of zero for the current I, or to output a logic high value for a second voltage V2 (29) if the current I has a negative change rate adjacent to a value of zero for the current I. The synchronous rectification control unit also includes a control algorithm circuit (27) configured to generate first and second synchronous pulse width modulation, PWM, control signals SQ1 (32) and SQ2 (33), and based on first and second non-synchronous PWM control signals Q1 (30) and Q2 (31), and based on the first voltage V1 (28) and said second voltage V2 (29), the first and second synchronous PWM control signals SQ1 (32) and SQ2 (33) being usable for controlling switching of the power switch (50).
摘要翻译：提出了同步整流控制单元和同步整流控制方法。同步整流控制单元包括电压脉冲发生电路（26），被配置为测量包括电源开关（50）的电路（200）中的电流I，并输出用于第一电压V1（28）的逻辑高电平值，如果电流I对于电流I具有与零值相邻的正变化率，或者如果电流I具有与零值相邻的负变化率，则输出用于第二电压V2（29）的逻辑高值同步整流控制单元还包括被配置为产生第一和第二同步脉宽调制，PWM，控制信号SQ1（32）和SQ2（33）的控制算法电路（27），并且基于第一和第二非同步PWM控制信号Q1（30）和Q2（31），并且基于第一电压V1（28）和所述第二电压V2（29），第一和第二同步PWM控制信号SQ1（32）和SQ2（ 33）可用于控制电源开关（50）的切换。

2. 发明申请

WO2016000754A1 UNIT AND METHOD FOR SYNCHRONOUS RECTIFICATION CONTROL 审中-公开
标题翻译：用于同步整流控制的单元和方法
公开(公告)号：WO2016000754A1
公开(公告)日：2016-01-07
申请号：PCT/EP2014/063900
申请日：2014-07-01
申请人： HUAWEI TECHNOLOGIES CO.,LTD , MA, Jun , TSENGENES, Georgios , TORRICO, Grover
发明人： MA, Jun , TSENGENES, Georgios , TORRICO, Grover
IPC分类号： H03K17/06 , H02M1/38 , H02M3/158 , H03K17/13
CPC分类号： H03K17/06 , H02M1/08 , H02M1/38 , H02M3/33592 , H02M2001/0009 , H02M2001/0012 , H03K17/13 , H03K2017/307 , Y02B70/1475
摘要： A unit ant a method for synchronous rectification control unit is disclosed. The synchronous rectification control unit includes a voltage sensing circuit 25 configured to detect body diode conduction for a power switch 14, and to output a voltage pulse signal V DC corresponding to the body diode conduction. The synchronous rectification control unit further includes a capture unit 24 configured to determine a time duration T c for the voltage pulse signal V DC , and to store the time duration T c in a memory. The synchronous rectification control unit further includes a control algorithm circuit 26 configured to determine a turn-on time T on and a turn-off time T off to be used for a synchronous pulse width modulation, PWM, control signal SQ1 or a non-synchronous PWM control signal Q1 during an upcoming switching cycle, wherein the determination of the turn—on T on and turn—off T off times is based on the stored time duration T c . The synchronous rectification control unit further includes a PWM signal generator 32 configured to generate, by use of the determined turn-on T on time and turn-off T off time, the synchronous PWM control signal SQ1 for controlling switching of the power switch 14 when the power switch is in a synchronous side of a circuit; or the non-synchronous PWM control signal Q1 for controlling switching of the power switch 14 when the power switch is in a non-synchronous side of the circuit 100.
摘要翻译：公开了一种用于同步整流控制单元的方法。同步整流控制单元包括电压检测电路25，其被配置为检测功率开关14的体二极管导通，并且输出与体二极管导通相对应的电压脉冲信号VDC。同步整流控制单元还包括捕获单元24，其被配置为确定电压脉冲信号VDC的持续时间Tc，并将持续时间Tc存储在存储器中。同步整流控制单元还包括控制算法电路26，其被配置为确定用于同步脉宽调制，PWM，控制信号SQ1或非同步PWM控制的导通时间Ton和关断时间Toff 在即将到来的开关周期期间信号Q1，其中导通Ton和截止Toff时间的确定基于所存储的持续时间Tc。同步整流控制单元还包括PWM信号发生器32，其被配置为通过使用所确定的接通Ton时间和截止Toff时间来产生用于在功率开关14控制电源开关14的切换时的同步PWM控制信号SQ1 开关处于电路的同步侧; 或用于在电源开关处于电路100的非同步侧时控制电源开关14的切换的非同步PWM控制信号Q1。

3. 发明申请

WO2017194164A1 RESONANT DC-DC CONVERTER 审中-公开
标题翻译：谐振DC-DC转换器
公开(公告)号：WO2017194164A1
公开(公告)日：2017-11-16
申请号：PCT/EP2016/060876
申请日：2016-05-13
申请人： HUAWEI TECHNOLOGIES CO., LTD. , ZHANG, Yanzhong , RUIZ GOMEZ, Fernando , TSENGENES, Georgios , TORRICO-BASCOPÉ, Grover
发明人： ZHANG, Yanzhong , RUIZ GOMEZ, Fernando , TSENGENES, Georgios , TORRICO-BASCOPÉ, Grover
IPC分类号： H02M3/28 , H02M3/335 , H02M3/337 , H02M1/00 , H02M7/48
摘要： A resonant circuit includes first, second, and third input nodes configured to receive a three phase input power. The resonant circuit is formed as a delta circuit including a first leg connected between a first comer node and a second comer node, a second leg connected between the second comer node and a third comer node, and a third leg connected between the third comer node and the first comer node. A first outer resonant device is connected between the first input node and the first comer node, a second outer resonant device connected between the second input node and the second comer node, and a third outer resonant device connected between the third input node and the third comer node. Each leg of the delta circuit includes an inner resonant device connected in series with a corresponding transformer.
摘要翻译：谐振电路包括被配置为接收三相输入功率的第一，第二和第三输入节点。谐振电路被形成为三角形电路，该三角形电路包括连接在第一角点和第二角点之间的第一支路，连接在第二角点和第三角点之间的第二支路以及连接在第三角点之间的第三支路和第一个角落节点。第一外谐振装置连接在第一输入节点和第一拐角节点之间，第二外谐振装置连接在第二输入节点和第二拐角节点之间，第三外谐振装置连接在第三输入节点和第三拐点之间角落节点。三角形电路的每个支路包括一个与相应变压器串联的内部谐振装置。

4. 发明公开

EP3149854A1 UNIT AND METHOD FOR SYNCHRONOUS RECTIFICATION CONTROL 审中-公开
标题翻译： EINHEIT UND VERFAHREN ZUR SYNCHRONEN GLEICHRICHTUNGSSTEUERUNG
公开(公告)号：EP3149854A1
公开(公告)日：2017-04-05
申请号：EP14738776.5
申请日：2014-07-01
申请人： Huawei Technologies Co. Ltd.
发明人： MA, Jun , TSENGENES, Georgios , TORRICO, Grover
IPC分类号： H03K17/13 , H02M3/335 , H03K5/1534 , H03K5/1536
CPC分类号： H03K17/13 , H02M1/38 , H02M3/33584 , H02M2001/0009 , H02M2001/0058 , H02M2001/0064 , H03K5/1534 , H03K5/1536 , H03K2017/307 , Y02B70/1491
摘要： A synchronous rectification control unit and a method for synchronous rectification control are presented. The synchronous rectification control unit includes a voltage pulse generation circuit (26) configured to measure a current I in a circuit (200) including a power switch (50), and to output a logic high value for a first voltage V1 (28), if the current I has a positive change rate adjacent to a value of zero for the current I, or to output a logic high value for a second voltage V2 (29) if the current I has a negative change rate adjacent to a value of zero for the current I. The synchronous rectification control unit also includes a control algorithm circuit (27) configured to generate first and second synchronous pulse width modulation, PWM, control signals SQ1 (32) and SQ2 (33), and based on first and second non-synchronous PWM control signals Q1 (30) and Q2 (31), and based on the first voltage V1 (28) and said second voltage V2 (29), the first and second synchronous PWM control signals SQ1 (32) and SQ2 (33) being usable for controlling switching of the power switch (50).
摘要翻译：提出了同步整流控制单元和同步整流控制方法。同步整流控制单元包括：电压脉冲发生电路（26），被配置为测量包括电源开关（50）的电路（200）中的电流I，并输出用于第一电压V1（28）的逻辑高电平值; 如果电流I对于电流I具有与零值相邻的正变化率，或者如果电流I具有与零值相邻的负变化率，则输出用于第二电压V2（29）的逻辑高值同步整流控制单元还包括被配置为产生第一和第二同步脉宽调制，PWM，控制信号SQ1（32）和SQ2（33）的控制算法电路（27），并且基于第一和第二非同步PWM控制信号Q1（30）和Q2（31），并且基于第一电压V1（28）和所述第二电压V2（29），第一和第二同步PWM控制信号SQ1（32）和SQ2（ 33）可用于控制电源开关（50）的切换。

5. 发明公开

EP3406023A1 RESONANT DC-DC CONVERTER 有权
公开(公告)号：EP3406023A1
公开(公告)日：2018-11-28
申请号：EP16722252.0
申请日：2016-05-13
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Yanzhong , RUIZ GOMEZ, Fernando , TSENGENES, Georgios , TORRICO-BASCOPÉ, Grover
IPC分类号： H02M3/28 , H02M3/335 , H02M3/337 , H02M1/00 , H02M7/48
CPC分类号： H02M3/337 , H02M3/285 , H02M2001/0058 , H02M2001/0074 , H02M2007/4815 , Y02B70/1433 , Y02B70/1441 , Y02B70/1491
摘要： A resonant circuit includes first, second, and third input nodes configured to receive a three phase input power. The resonant circuit is formed as a delta circuit including a first leg connected between a first comer node and a second comer node, a second leg connected between the second comer node and a third comer node, and a third leg connected between the third comer node and the first comer node. A first outer resonant device is connected between the first input node and the first comer node, a second outer resonant device connected between the second input node and the second comer node, and a third outer resonant device connected between the third input node and the third comer node. Each leg of the delta circuit includes an inner resonant device connected in series with a corresponding transformer.

6. 发明公开

EP3149851A1 UNIT AND METHOD FOR SYNCHRONOUS RECTIFICATION CONTROL 审中-公开
标题翻译：同步纠正控制的单元和方法
公开(公告)号：EP3149851A1
公开(公告)日：2017-04-05
申请号：EP14736346.9
申请日：2014-07-01
申请人： Huawei Technologies Co. Ltd.
发明人： MA, Jun , TSENGENES, Georgios , TORRICO-BASCOPE, Grover Victor
IPC分类号： H03K17/06 , H02M1/38 , H02M3/158 , H03K17/13
CPC分类号： H03K17/06 , H02M1/08 , H02M1/38 , H02M3/33592 , H02M2001/0009 , H02M2001/0012 , H03K17/13 , H03K2017/307 , Y02B70/1475
摘要： A unit ant a method for synchronous rectification control unit is disclosed. The synchronous rectification control unit includes a voltage sensing circuit 25 configured to detect body diode conduction for a power switch 14, and to output a voltage pulse signal V
DC corresponding to the body diode conduction. The synchronous rectification control unit further includes a capture unit 24 configured to determine a time duration T
c for the voltage pulse signal V
DC , and to store the time duration T
c in a memory. The synchronous rectification control unit further includes a control algorithm circuit 26 configured to determine a turn-on time T
on and a turn-off time T
off to be used for a synchronous pulse width modulation, PWM, control signal SQ1 or a non-synchronous PWM control signal Q1 during an upcoming switching cycle, wherein the determination of the turn—on T
on and turn—off T
off times is based on the stored time duration T
c . The synchronous rectification control unit further includes a PWM signal generator 32 configured to generate, by use of the determined turn-on T
on time and turn-off T
off time, the synchronous PWM control signal SQ1 for controlling switching of the power switch 14 when the power switch is in a synchronous side of a circuit; or the non-synchronous PWM control signal Q1 for controlling switching of the power switch 14 when the power switch is in a non-synchronous side of the circuit 100.
摘要翻译：公开了一种用于同步整流控制单元的方法。同步整流控制单元包括电压感测电路25，其被配置为检测功率开关14的体二极管导通，并且输出与体二极管导通相对应的电压脉冲信号VDC。同步整流控制单元还包括捕获单元24，其被配置为确定电压脉冲信号VDC的持续时间Tc，并将持续时间Tc存储在存储器中。同步整流控制单元还包括控制算法电路26，控制算法电路26被配置为确定要用于同步脉宽调制PWM，控制信号SQ1或非同步PWM控制的导通时间Ton和关断时间Toff 信号Q1在即将到来的切换周期期间，其中确定导通Ton和关断Toff时间是基于所存储的持续时间Tc。同步整流控制单元还包括PWM信号发生器32，其被配置为通过使用所确定的导通Ton时间和关断Toff时间来生成用于在功率开关14控制功率开关14切换时的同步PWM控制信号SQ1 开关处于电路的同步侧; 或当功率开关处于电路100的非同步侧时用于控制功率开关14的开关的非同步PWM控制信号Q1。

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