Invention Grant
- Patent Title: Multi-mode power management unit
- Patent Title (中): 多模式电源管理单元
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Application No.: US13238968Application Date: 2011-09-21
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Publication No.: US08766601B2Publication Date: 2014-07-01
- Inventor: Ken Guo Chi Yang
- Applicant: Ken Guo Chi Yang
- Applicant Address: US CA Irvine
- Assignee: Broadcom Corporation
- Current Assignee: Broadcom Corporation
- Current Assignee Address: US CA Irvine
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: H02J7/00
- IPC: H02J7/00 ; G06F1/32

Abstract:
According to one exemplary embodiment, a multi-mode power management unit (PMU) includes a number of switchable conductive paths, where each of the switchable conductive paths corresponds to at least one of a number of power modes. The multi-mode PMU further includes a shared inductor residing in each of the switchable conductive paths. A current can flow through the shared inductor in a same direction in each of the power modes. The multi-mode PMU further includes a controller configured to set one of the power modes using one of the switchable conductive paths. The power modes can include a battery-to-electronic system power mode and a charge-battery power mode. The power modes can further include a battery-to-electronic system/camera flash power mode, a power port-to-electronic system/battery power mode, and a battery-to-electronic system/backlight LED power mode.
Public/Granted literature
- US20120007562A1 Multi-Mode Power Management Unit Public/Granted day:2012-01-12
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