公开(公告)号：WO2016036430A1

公开(公告)日：2016-03-10

申请号：PCT/US2015/037519

申请日：2015-06-24

Applicant: APPLE INC.

Inventor： LANGLINAIS, Jamie ,  YOSHIMOTO, Mark A. ,  CHEN, Lin

IPC: H02M3/158 ,  G06F1/26 ,  H02J7/00

CPC classification number: H02J7/0081 ,  G06F1/263 ,  H02J7/0068 ,  H02J7/0078 ,  H02J2007/0067 ,  H02M3/158

Abstract: The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system operates a charging circuit for converting an input voltage from a power source into a set of output voltages for charging the battery and powering a low-voltage subsystem and a high-voltage subsystem in the portable electronic device. Upon detecting the input voltage from the power source and a low-voltage state in the battery during operation of the charging circuit, the system uses a first inductor group in the charging circuit to down-convert the input voltage to a target voltage of the battery that is lower than a voltage requirement of the high-voltage subsystem. The system also uses a second inductor group in the charging circuit to up-convert the target voltage to power the high-voltage subsystem.

Abstract translation: 所公开的实施例提供一种管理便携式电子设备中的电池的使用的系统。 在操作期间，系统操作充电电路，用于将来自电源的输入电压转换成用于对电池充电并为便携式电子设备中的低电压子系统和高压子系统供电的一组输出电压。 在充电电路工作期间，当检测到来自电源的输入电压和电池中的低电压状态时，系统使用充电电路中的第一电感器组将输入电压下变换为电池的目标电压 低于高电压子系统的电压要求。 该系统还使用充电电路中的第二电感器组来升高目标电压以对高电压子系统供电。

公开(公告)号：WO2011084188A1

公开(公告)日：2011-07-14

申请号：PCT/US2010/047311

申请日：2010-08-31

Applicant: APPLE INC. ,  THOMPSON, Paul M. ,  KIM, Floriano ,  YOSHIMOTO, Mark A.

Inventor： THOMPSON, Paul M. ,  KIM, Floriano ,  YOSHIMOTO, Mark A.

IPC: G09G3/34

CPC classification number: G09G3/342 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/0633 ,  G09G2320/064 ,  H05B33/0818 ,  Y02B20/346

Abstract: A method and system for modifying the pulse width modulation frequency for controlling the backlit illumination intensity of a liquid crystal display (14). The modified pulse width modulation frequency may be selected to reduce distortion in the display (14) while allowing for a wide range of dimming settings for the display (14). A pulse width modulation signal (95) may be also be phase shifted such that a string of light sources (110-115) may be sequentially activated to generate a effective frequency greater than that of the frequency of the pulse width modulation signal (95).

Abstract translation: 一种用于修改用于控制液晶显示器（14）的背光照明强度的脉宽调制频率的方法和系统。 可以选择修改的脉冲宽度调制频率以减少显示器（14）中的失真，同时允许显示器（14）的宽范围的调光设置。 脉冲宽度调制信号（95）也可以被相移，使得一束光源（110-115）可以顺序地被激活以产生大于脉宽调制信号（95）的频率的有效频率， 。

公开(公告)号：WO2022260957A1

公开(公告)日：2022-12-15

申请号：PCT/US2022/032186

申请日：2022-06-03

Applicant: APPLE INC.

Inventor： ZHOU, Hao ,  SHAIKH, Sarfraz ,  FLETCHER, Jay B. ,  PANT, Sanjay ,  YOSHIMOTO, Mark A. ,  BISOGNO, Vincenzo ,  SEARLES, Shawn

IPC: G06F1/3203

Abstract: A power management circuit included in a computer system regulates a voltage level of a power supply node used by other circuits in the computer system. The power management circuit includes a control circuit and multiple phase circuits coupled to the regulated power supply node via corresponding inductors. The control circuit selectively activates particular ones of the multiple phase circuits allowing them source respective currents to the regulated power supply node. The control circuit also selectively activates particular ones of other phase circuits that are external to the power management circuit and coupled to the regulated power supply node via their own corresponding inductors. Once activated, the external phase circuits source respective currents to the regulated power supply node via their corresponding inductors.

公开(公告)号：EP3189585A1

公开(公告)日：2017-07-12

申请号：EP15734523.2

申请日：2015-06-24

Applicant: Apple Inc.

Inventor： LANGLINAIS, Jamie ,  YOSHIMOTO, Mark A. ,  CHEN, Lin

IPC: H02M3/158 ,  G06F1/26 ,  H02J7/00

CPC classification number: H02J7/0081 ,  G06F1/263 ,  H02J7/0068 ,  H02J7/0078 ,  H02J2007/0067 ,  H02M3/158

Abstract: The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system operates a charging circuit for converting an input voltage from a power source into a set of output voltages for charging the battery and powering a low-voltage subsystem and a high-voltage subsystem in the portable electronic device. Upon detecting the input voltage from the power source and a low-voltage state in the battery during operation of the charging circuit, the system uses a first inductor group in the charging circuit to down-convert the input voltage to a target voltage of the battery that is lower than a voltage requirement of the high-voltage subsystem. The system also uses a second inductor group in the charging circuit to up-convert the target voltage to power the high-voltage subsystem.

Abstract translation: 所公开的实施例提供了一种管理便携式电子设备中的电池的使用的系统。 在操作期间，该系统操作用于将来自电源的输入电压转换成一组输出电压的充电电路，用于给电池充电并且为便携式电子设备中的低电压子系统和高电压子系统供电。 当在充电电路工作期间检测到来自电源的输入电压和电池中的低电压状态时，系统使用充电电路中的第一电感器组将输入电压降频转换为电池的目标电压 低于高压子系统的电压要求。 该系统还使用充电电路中的第二个电感组来上变换目标电压，为高压子系统供电。

公开(公告)号：EP2522007A1

公开(公告)日：2012-11-14

申请号：EP10757128.3

申请日：2010-08-31

Applicant: APPLE INC.

Inventor： THOMPSON, Paul M. ,  KIM, Floriano ,  YOSHIMOTO, Mark A.

IPC: G09G3/34

CPC classification number: G09G3/342 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/0633 ,  G09G2320/064 ,  H05B33/0818 ,  Y02B20/346

Abstract: A method and system for modifying the pulse width modulation frequency for controlling the backlit illumination intensity of a liquid crystal display (14). The modified pulse width modulation frequency may be selected to reduce distortion in the display (14) while allowing for a wide range of dimming settings for the display (14). A pulse width modulation signal (95) may be also be phase shifted such that a string of light sources (110-115) may be sequentially activated to generate a effective frequency greater than that of the frequency of the pulse width modulation signal (95).

公开(公告)号：EP4334799A1

公开(公告)日：2024-03-13

申请号：EP22820812.0

申请日：2022-06-03

Applicant: Apple Inc.

Inventor： ZHOU, Hao ,  SHAIKH, Sarfraz ,  FLETCHER, Jay B. ,  PANT, Sanjay ,  YOSHIMOTO, Mark A. ,  BISOGNO, Vincenzo ,  SEARLES, Shawn

IPC: G06F1/3203