Patents Assigned to DELTA ELECTRONICS (SHANGHAI) CO., LTD.
  • Publication number: 20210066170
    Abstract: The present disclosure provides a power module and a method for manufacturing the power module. The power module includes a chip, a passive element and connection pins. The connection pins are provided on a pin-out surface of the power module, and are electrically connected to at least one of a chip terminal of the chip and the passive element; a projection of the chip on the pin-out surface of the power module does not overlap with a projection of the passive element on the pin-out surface of the power module, and an angle between the terminal-out surface of the chip and the pin-out surface of the power module is greater than 45° and less than 135°.
    Type: Application
    Filed: July 23, 2020
    Publication date: March 4, 2021
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Pengkai JI, Shouyu HONG, Yiqing YE
  • Patent number: 10935197
    Abstract: A light module and a manufacturing method are provided. The light module comprises a first and a second substrate separated from a prefabricated substrate along a closed curve, the first substrate is detachable connected and/or fixed with the second substrate; light emitting elements mounted on one of the first and second substrate; and a drive element mounted on the other one of the first and second substrate. The method comprises: determining a closed curve on a prefabricated substrate to separate the prefabricated substrate into a first region and a second region; providing light emitting elements and first electronic element on first surface of the prefabricated substrate; providing second electronic element on second surface of the prefabricated substrate; separating a first and second substrate from the prefabricated substrate along the closed curve; and assembling and connecting the second substrate with the first substrate at a separation opening.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: March 2, 2021
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Zhaowei Chai, Chun-Jen Chung, Xiaoping Fu, Xinghua Zhang
  • Patent number: 10924030
    Abstract: A modular power supply system, includes: a main controller, configured to output a main control signal; N local controllers, wherein each of the local controllers is configured to receive the main control signal to output at least one local control signal; and N power units, in one-to-one correspondence with the N local controllers, wherein each of the power units includes a first end and a second end, the second end of each of the power units is connected to the first end of an adjacent one of the power units, each of the power units includes M power converters, and each of the power converters is configured to operate according to the local control signal output by a corresponding local controller, wherein each of the power units further includes: M sampling circuits, configured to sample positive DC bus voltages and negative DC bus voltages of the M power converters respectively.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: February 16, 2021
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianping Ying, Ming Wang, Xiaobo Huang, Jun Liu, Zhiming Hu
  • Publication number: 20210041924
    Abstract: The disclosure provides a system of providing power to a chip on a mainboard, including: a first power supply, located on the mainboard, and configured to receive a first voltage and to provide a second voltage; and a second power supply and a third power supply, located on the mainboard, wherein the second power supply and the third power supply are electrically connected to the first power supply; so as to receive the second voltage, the second power supply is disposed at a first side of the chip, the third power supply is disposed at a second side of the chip, the second power supply provides a third voltage to the chip, and the third power supply provides a fourth voltage to the chip.
    Type: Application
    Filed: October 22, 2020
    Publication date: February 11, 2021
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Haoyi YE, Jianhong ZENG, Xiaoni XIN
  • Publication number: 20210045243
    Abstract: The present disclosure provides a power supply module used in a smart terminal and a power supply module assembly structure, the power supply module includes a substrate having first and second surfaces opposite to each other; a power passive element, an active element and a plurality of first conductive parts disposed at the substrate; the power passive element being independently disposed on the first surface of the substrate as a whole; wherein a maximum height of the power passive element disposed on the first surface of the substrate is greater than a sum of a maximum height of an element disposed on the second surface of the substrate and an half of the thickness of the substrate.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Pengkai JI, Jianhong ZENG, Yu ZHANG, Shouyu HONG, Jinping ZHOU, Bau-Ru LU
  • Publication number: 20210036695
    Abstract: The present disclosure mainly provides a clamping circuit, coupled to a first end and a second end of a switching transistor through a first node and a second node, comprising: an RCD circuit, comprising a first resistor and a first capacitor connected in parallel between the second node and a third node, and a diode having a negative electrode coupled to the third node; and a first stabilivolt diode, having a negative electrode coupled to the first node and a positive electrode coupled to a positive electrode of the diode at a fourth node.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 4, 2021
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Lifeng QIAO, Wuying LI, Dehui ZHANG, Teng LIU, Jianping YING
  • Patent number: 10897241
    Abstract: A hysteresis control method for inverter and an inverter based on hysteresis control are disclosed. The inverter is electrically connected to a power grid, and the method includes: Step S1, sampling a grid voltage Vg(z) and an output current Ig(z) of the inverter; Step S2, calculating a present period hysteresis bandwidth H(z) based on the grid voltage Vg(z) sampled in step S1; Step S3, predicting a next period hysteresis bandwidth H(z+1); Step S4, correcting the present period hysteresis bandwidth H(z) based on the next period hysteresis bandwidth H(z+1) obtained in step S3, to obtain a final hysteresis bandwidth Hout(z); and Step S5, controlling an output driving signal according to the output current Ig(z) of the inverter and the final hysteresis bandwidth Hout(z) to control the operation of the inverter.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: January 19, 2021
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Qikang Wei, Feidong Xu, Xuancai Zhu
  • Publication number: 20210013793
    Abstract: A power chip, includes a metal region; a wafer region. The wafer region includes at least one first partition, forming a first power switch; and at least one second partition, forming a second power switch. The first power switch and the second power switch are electrically connected, a total number of the at least one first partition and the at least one second partition is not less than 3, and the at least one first partition and the at least one second partition are disposed alternatively along a curve.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 14, 2021
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Xiaoni XIN, Le LIANG
  • Patent number: 10886725
    Abstract: The present disclosure relates to a switching power supply, an over-temperature control and protection method, and a power control method. The switching power supply includes: a converter module including at least one main power switch; a direction detection module configured to obtain installation direction information of the switching power supply; and a process module configured to perform a preset operation in accordance with the installation direction information of the switching power supply. The present disclosure may realize power control of the switching power supply and meet over-temperature protection requirements under various installation directions.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: January 5, 2021
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Dezhi Jiao, Baohua Wang
  • Patent number: 10886054
    Abstract: The present disclosure provides a high-voltage transformer and an electronic power apparatus. The high-voltage transformer includes a magnetic core, a secondary coil unit, and a primary coil unit. The secondary coil unit includes a secondary winding; and the primary coil unit includes a primary winding and an insulating portion. The insulating portion forms at least one through hole. At least one primary winding encircle at least one through hole and is wrapped by the insulating portion and fixed in the insulating portion. The magnetic core passes through at least one through hole. A shielding layer is formed on a surface of the insulating portion, and the shielding layer is used for connecting a safety ground.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: January 5, 2021
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Quanliang Zhang, Na Dong, Min Zhou
  • Patent number: 10879808
    Abstract: A switched-tank DC transformer and a voltage ratio switching method thereof are provided. The switched-tank DC transformer includes an input terminal, an output terminal, 2n inverting switches, 2n rectifying switches, 2n?2 clamping switches, n resonance tanks and n?1 support capacitors. The inverting switches are serially connected in sequence. There is an inverting node between every two neighboring inverting switches. A terminal of the rectifying switch is connected with a rectifying node. A terminal of the two clamping switch is electrically connected with a clamping node. The resonance tank is electrically connected between the inverting node and the rectifying node. The support capacitor is electrically connected between the inverting node and the clamping node. Every support capacitor and every resonance tank is switchable to be in a normal state or a voltage ratio switching state, thus a voltage ratio of the switched-tank DC transformer is allowed to vary correspondingly.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: December 29, 2020
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Ming Li, Yiqing Ye
  • Publication number: 20200403499
    Abstract: An N-phase power converter has N phases with outputs connected in parallel and outputs connected in parallel. The converter comprises: N switch units, wherein each phase of the N-phase power converter comprises one of the N switch units; and an integrated inductor unit, comprising M inductor subunits, wherein M is a natural number greater than or equal to 2, each inductor subunit comprises i inductors, i is a natural number greater than or equal to 2, N>M×i or N=M×i, M×i of the inductors in the integrated inductor unit are respectively coupled to M×i of the N switch units, wherein: the i inductors of each of the inductor subunit are inverse-coupled to each other, the coupling coefficient between the M inductor subunits is less than the coupling coefficient between the i inductors in each of the inductor subunits.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 24, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jinping ZHOU, Min ZHOU, Zhangnan XIN, Xinjian ZOU
  • Patent number: 10873253
    Abstract: The present disclosure discloses a method of discharging a bus capacitor in a power converter, the method comprising: outputting a plurality of pulse control signals to the corresponding plurality of power semiconductor switch groups when the working state of the power converter is in a discharge state and the state of the main circuit breaker is open to control the ON and OFF of the plurality of power semiconductor switch groups, respectively, so as to form a discharge loop between the positive terminal and the negative terminal of the bus capacitor within at least a preset time, thereby causing the bus capacitor to discharge. Since a discharge loop is formed by the bus capacitor and the bridge arms and the energy of the bus capacitor is consumed by a power device, thereby the peak value and discharge rate of discharge current can be effectively controlled without adding additional discharge elements.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: December 22, 2020
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Jianping Ying, Hailong Wang, Peng Xiao, Lifeng Qiao, Hongwei Xiao, Boyu Pu
  • Patent number: 10873262
    Abstract: The present disclosure provides a semiconductor chip power supply system, including: a semiconductor chip including: a first data processing function area and a first power converter control area, the first data processing function area and the first power converter control area being formed on a first semiconductor substrate of the semiconductor chip; and a first power converter power stage located outside the first semiconductor substrate and electrically connected to the first power converter control area and the first data processing function area; wherein the first power converter control area controls the first power converter power stage to supply power to the first data processing function area.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: December 22, 2020
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Jianhong Zeng, Haoyi Ye, Xiaoni Xin, Siyu He, Xinjian Zou
  • Patent number: 10871811
    Abstract: A power chip includes: a first power switch, formed in a wafer region and having a first and a second metal electrodes; a second power switch, formed in the wafer region and having a third and a fourth metal electrodes, wherein the first and second power switches respectively constitute an upper bridge arm and a lower bridge arm of a bridge circuit, and the first and second power switches are alternately arranged along a first direction; and a metal region, at least including a first metal layer, a second metal layer and a third metal layer that are stacked, each metal layer including a first to a third strip electrodes, and strip electrodes with the same voltage potential in two adjacent metal layers are electrically coupled, wherein a routing direction of the strip electrode in the first metal layer is substantially perpendicular to the first direction.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: December 22, 2020
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Yan Chen, Xiaoni Xin, Le Liang, Shouyu Hong, Jianhong Zeng
  • Patent number: 10856417
    Abstract: The present disclosure provides a power supply module used in a smart terminal and a power supply module assembly structure, the power supply module includes a substrate having first and second surfaces opposite to each other; a power passive element, an active element and a plurality of first conductive parts disposed at the substrate; the power passive element being independently disposed on the first surface of the substrate as a whole; wherein a maximum height of the power passive element disposed on the first surface of the substrate is greater than a sum of a maximum height of an element disposed on the second surface of the substrate and an half of the thickness of the substrate.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: December 1, 2020
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Pengkai Ji, Jianhong Zeng, Yu Zhang, Shouyu Hong, Jinping Zhou, Bau-Ru Lu
  • Publication number: 20200373059
    Abstract: A magnetic dev ice includes a core structure, at least one inductor winding and at least two transformer windings. The core structure includes at least one inductor column and at least two transformer columns. The at least one inductor winding respectively winds around the at least one inductor column. The at least two transformer windings, wind around the at least two transformer columns respectively, and the transformer winding includes primary winding and secondary winding. Wherein the magnetic flax directions on adjacent transformer columns are opposite to each other when providing a current in the corresponding primary windings simultaneously.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Applicant: Delta Electronics (Shanghai) CO., LTD
    Inventors: Haijun YANG, Zengyi LU, Tianding HONG, Jinfa ZHANG
  • Patent number: 10848070
    Abstract: A switched-tank DC transformer and a voltage ratio switching method thereof are provided. The switched-tank DC transformer includes an input terminal, an output terminal, 2n inverting switches, 2n rectifying switches, 2n?2 clamping switches, n resonance tanks and n?1 support capacitors. The inverting switches are serially connected in sequence. There is an inverting node between every two neighboring inverting switches. A terminal of the rectifying switch is connected with a rectifying node. A terminal of the two clamping switch is electrically connected with a clamping node. The resonance tank is electrically connected between the inverting node and the rectifying node. The support capacitor is electrically connected between the inverting node and the clamping node. Every support capacitor and every resonance tank is switchable to be in a normal state or a voltage ratio switching state, thus a voltage ratio of the switched-tank DC transformer is allowed to vary correspondingly.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: November 24, 2020
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Ming Li, Yiqing Ye
  • Patent number: 10847455
    Abstract: A power module and a power device having the power module are disclosed. The power device includes a main board. The power module is inserted in the main board and includes a PCB, a magnetic element, a primary winding circuit and at least one secondary winding circuit. The magnetic element is provided on the PCB and includes a core structure, a primary winding and at least one secondary winding. The core structure has a first side and a second side opposite to each other, and a third side and a fourth side opposite to each other. The primary winding circuit is provided on the PCB and positioned in the vicinity of the first or second side of the core structure. The secondary winding circuit is provided on the PCB and positioned in the vicinity of the third or fourth side of the core structure.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: November 24, 2020
    Assignee: Delta Electronics (Shanghai) CO., LTD
    Inventors: Guodong Yin, Jinfa Zhang, Haijun Yang, Ben Wu, Lei Cai, Zhongwei Ke
  • Patent number: D909296
    Type: Grant
    Filed: December 24, 2017
    Date of Patent: February 2, 2021
    Assignee: Delta Electronics (Shanghai) Co., Ltd.
    Inventors: Xiaojun Chen, Jinfa Zhang, Daofei Xu