公开(公告)号：WO2016045628A1

公开(公告)日：2016-03-31

申请号：PCT/CN2015/090805

申请日：2015-09-25

Applicant: BYD COMPANY LIMITED

Inventor： YE, Wenhui ,  HOU, Yongjun ,  ZHANG, Haiquan

IPC: H02M3/335

CPC classification number: H02J7/022 ,  H02J7/045 ,  H02M3/33592 ,  Y02B40/90 ,  Y02B70/1475

Abstract: A secondary control device and a charging system are provided. The secondary control device is connected with a transformer having a secondary winding connected with a charging interface, and includes: a secondary rectifier switch connected with the secondary winding; a secondary synchronous rectifier chip connected with the secondary winding and the secondary rectifier switch, and configured to detect a voltage between two terminals of the secondary rectifier switch, to control the secondary rectifier switch to turn on or turn off according to the voltage, to control the secondary rectifier switch to turn on again when the secondary rectifier switch is in an off-state so as to control the secondary winding to generate a mutation voltage, to obtain a transmission signal on the charging interface, and to control a driving voltage of the secondary rectifier switch according to the transmission signal so as to adjust the mutation voltage.

Abstract translation: 提供二次控制装置和充电系统。 二次控制装置与具有与充电接口连接的次级绕组的变压器连接，并且包括：与次级绕组连接的次级整流开关; 与次级绕组和次级整流开关连接的次级同步整流器芯片，并且被配置为检测次级整流器开关的两个端子之间的电压，以根据电压来控制次级整流器开关导通或关断，以控制 次级整流开关在二次整流开关处于截止状态时再次接通，以控制次级绕组产生突变电压，从而在充电接口上获得发送信号，并控制 二次整流开关根据传输信号调整突变电压。

公开(公告)号：WO2014012518A1

公开(公告)日：2014-01-23

申请号：PCT/CN2013/079706

申请日：2013-07-19

Applicant: SHENZHEN BYD AUTO R & D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： ZHANG, Haiquan ,  WANG, Wenqing ,  YANG, Xiaohua

IPC: H02M7/04

CPC classification number: H02M1/36 ,  H02M2001/0032 ,  Y02B70/16

Abstract: A switching power supply and a chip for controlling the same are provided. The switching power supply comprises: a rectifying module (301); a transforming module (302); a switching module (303), connected with the transforming module (302); a chip (304) for controlling the switching power supply, connected with the transforming module (302) and the switching module (303) respectively, in which the chip (304) has a control terminal (COMP), a compensation module (406) and a power supply terminal (VDD), the control terminal is configured to output a turn off signal and to start the compensation module after being started and the compensation module is configured to stabilize and filter a voltage inside the chip (304) and to compensate the output voltage by controlling the switching module to turn on or off according to an output voltage of the transforming module; a starting resistor (R1); a first capacitor (C1); and a first MOS transistor (M1). With the switching power supply, the stand-by consumption is reduced without reducing the starting speed of the chip for controlling the switching power supply. Furthermore, as the number of the external elements is reduced, the size of the switching power supply is reduced and the cost is also decreased.

Abstract translation: 提供了开关电源和用于控制开关电源的芯片。 开关电源包括：整流模块（301）; 变换模块（302）; 与所述变换模块（302）连接的开关模块（303）; 与芯片（304）分别具有控制端（COMP）的变换模块（302）和转换模块（303）连接的用于控制开关电源的芯片（304），补偿模块（406） 和电源端子（VDD），所述控制端子被配置为输出关闭信号并且在启动之后启动所述补偿模块，并且所述补偿模块被配置为稳定和滤波所述芯片（304）内部的电压并且补偿 所述输出电压通过根据所述变换模块的输出电压控制所述开关模块的导通或截止; 启动电阻（R1）; 第一电容器（C1）; 和第一MOS晶体管（M1）。 利用开关电源，可以降低待机消耗而不降低用于控制开关电源的芯片的启动速度。 此外，随着外部元件的数量减少，开关电源的尺寸减小，成本也降低。

公开(公告)号：WO2015090236A1

公开(公告)日：2015-06-25

申请号：PCT/CN2014/094446

申请日：2014-12-19

Applicant: BYD COMPANY LIMITED

Inventor： HOU, Yongjun ,  YE, Wenhui ,  ZHANG, Haiquan

IPC: H02M3/335

CPC classification number: H02M3/33523 ,  H02M1/08 ,  H02M3/335 ,  H02M2001/0032 ,  Y02B70/16

Abstract: An integrated circuit (10) for controlling a switch power supply includes: a primary feedback terminal (101), a primary feedback sampling module (100), an error amplifying module (200), a first control module (300), a secondary control module (400), a secondary feedback terminal (401), a second control module (500), and a driving module (600). The second control module (500) is connected with the first control module (300) and the secondary control module (400) respectively and is configured to generate a logic control signal according to the constant voltage control signal or according to the secondary control signal and the constant voltage control signal. The driving module (600) is connected with the second control module (500) and is configured to generate a driving signal according to the logic control signal and output the driving signal.

Abstract translation: 一种用于控制开关电源的集成电路（10）包括：主反馈端（101），主反馈采样模块（100），误差放大模块（200），第一控制模块（300） 模块（400），次级反馈终端（401），第二控制模块（500）和驱动模块（600）。 第二控制模块（500）分别与第一控制模块（300）和辅助控制模块（400）连接，并且被配置为根据恒定电压控制信号或根据次级控制信号产生逻辑控制信号，以及 恒压控制信号。 驱动模块（600）与第二控制模块（500）连接，并且被配置为根据逻辑控制信号产生驱动信号并输出​​驱动信号。