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    • 4. 发明授权
    • System and method for single phase transition for multiphase DCDC converters
    • 多相DCDC转换器的单相转换系统和方法
    • US09401638B2
    • 2016-07-26
    • US14517721
    • 2014-10-17
    • Texas Instruments Deutschland GmbH
    • Erich BayerJoerg KirchnerMichael Lueders
    • H02M1/00H02M3/158H02M3/156H02M1/08G06F1/26H02J1/10
    • H02M3/156G06F1/26H02J1/102H02M1/08H02M3/1584
    • A DCDC converter includes a controller, an up/down counter, a first power stage and a second power stage. The controller generates an up/down control signal. The up/down counter generates a first power stage control signal and a second power stage control signal based on the up/down control signal. The first power stage generates a first output current at a first phase and at a first voltage based on the first power stage control signal. The second power stage generates a second output current at a second phase based on the second power stage control signal. The up/down counter modifies the first power stage control signal to control the first power stage such that the first output current attenuates from a first power stage output to a secondary first power stage output. The controller can further output a control signal to modify the first voltage of the first power stage.
    • DCDC转换器包括控制器,上/下计数器,第一功率级和第二功率级。 控制器产生一个上/下控制信号。 上/下计数器基于上/下控制信号产生第一功率级控制信号和第二功率级控制信号。 第一功率级基于第一功率级控制信号在第一相和第一电压产生第一输出电流。 第二功率级基于第二功率级控制信号在第二相产生第二输出电流。 上/下计数器修改第一功率级控制信号以控制第一功率级,使得第一输出电流从第一功率级输出衰减到次级第一功率级输出。 控制器还可输出控制信号以修改第一功率级的第一电压。
    • 5. 发明授权
    • High efficiency inductive capacitive DC-DC converter
    • 高效感性电容式​​DC-DC转换器
    • US09595871B1
    • 2017-03-14
    • US14976334
    • 2015-12-21
    • Texas Instruments Deutschland GmbH
    • Erich Johann BayerMichael LuedersRuediger Rudolf Ganz
    • G05F1/00H02M3/158H02M3/155G05F1/24
    • H02M3/1582G05F1/24H02M3/1584H02M2001/0054H02M2003/1552Y02B70/1491
    • Disclosed examples include high-efficiency integrated circuits and inductive capacitive DC-DC converters with a first converter stage including first and second switches and an inductor, and a second converter stage including third and fourth switches and a flying capacitor. A dual mode control circuit regulates output voltage signal in a first mode when the output voltage signal is below a threshold by pulse width modulating the switches of the first converter stage. When the output voltage exceeds the threshold, the control circuit operates in a second mode with a first state to close the first and third switches, and a second state to close the fourth switch to connect the inductor in series with the flying capacitor. Dual mode operation of the first and second stages facilitates buck-boost operation with reduced inductor losses and converter switching losses, and the integrated circuit can be used in boost, buck or other configurations.
    • 公开的示例包括高效集成电路和具有包括第一和第二开关和电感器的第一转换器级的电感性电容DC-DC转换器,以及包括第三和第四开关和飞行电容器的第二转换器级。 当通过对第一转换器级的开关进行脉冲宽度调制,当输出电压信号低于阈值时,双模式控制电路以第一模式调节输出电压信号。 当输出电压超过阈值时,控制电路以第一状态操作以关闭第一和第三开关的第二模式,以及关闭第四开关的第二状态以将电感器与飞跨电容器串联连接。 第一和第二级的双模操作有助于减小升压操作,降低电感器损耗和转换器开关损耗,并且集成电路可用于升压,降压或其他配置。
    • 7. 发明申请
    • SYSTEM AND METHOD FOR SINGLE PHASE TRANSITION FOR MULTIPHASE DCDC CONVERTERS
    • 用于多相DCDC转换器的单相转换的系统和方法
    • US20150256067A1
    • 2015-09-10
    • US14517721
    • 2014-10-17
    • Texas Instruments Deutschland GmbH
    • Erich BayerJoerg KirchnerMichael Lueders
    • H02M3/156H02M1/08
    • H02M3/156G06F1/26H02J1/102H02M1/08H02M3/1584
    • A DCDC converter includes a controller, an up/down counter, a first power stage and a second power stage. The controller generates an up/down control signal. The up/down counter generates a first power stage control signal and a second power stage control signal based on the up/down control signal. The first power stage generates a first output current at a first phase and at a first voltage based an the first power stage control signal. The second power stage generates a second output current at a second phase based on the second power stage control signal. The up/down counter modifies the first power stage control signal to control the first power stage such that the first output current attenuates from a first power stage output to a secondary first power stage output. The controller can further output a control signal to modify the first voltage of the first power stage
    • DCDC转换器包括控制器,上/下计数器,第一功率级和第二功率级。 控制器产生一个上/下控制信号。 上/下计数器基于上/下控制信号产生第一功率级控制信号和第二功率级控制信号。 第一功率级基于第一功率级控制信号在第一相和第一电压产生第一输出电流。 第二功率级基于第二功率级控制信号在第二相产生第二输出电流。 上/下计数器修改第一功率级控制信号以控制第一功率级,使得第一输出电流从第一功率级输出衰减到次级第一功率级输出。 控制器还可输出控制信号以修改第一功率级的第一电压