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公开(公告)号：US20170192476A1
公开(公告)日：2017-07-06
申请号：US15399641
申请日：2017-01-05
Applicant: Seagate Technology LLC
Inventor： John Wayne Shaw , Robert John Dore , Christopher A. Massarotti , Philip Jurey , Ashutosh Razdan , Philip Yin , Michael Gene Morgan
CPC classification number: G06F13/16 , G06F1/263 , G06F13/382 , G06F13/385 , G06F13/4022 , G06F13/4282 , G06F2213/0032 , G06F2213/0042
Abstract: An apparatus includes a communication interface, a controller, and a power section. The communication interface is configured to receive power from an external host to the apparatus. The controller is configured to limit a current drawn by the communication interface to a predetermined value when the apparatus is powered through the external host. The power section is configured to generate a first voltage from a portion of the limited current drawn by the communication interface. The first voltage powers a data storage circuitry. The power section is further configured to store electrical charges received from another portion of the limited current drawn by the communication interface. The power section is further configured to generate a second voltage from the stored electrical charges in response to a signal from the controller. The second voltage supplements the first voltage during high power events by the data storage circuitry.
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公开(公告)号：US10459502B2
公开(公告)日：2019-10-29
申请号：US15331425
申请日：2016-10-21
Applicant: Seagate Technology LLC
Inventor： Christopher A. Massarotti , John Wayne Shaw, II , Philip Jurey , Brian Dean Boling
Abstract: A charge leveler coupled between an external power supply and a data storage device includes a current limiter to receive an input current from the external power supply and to provide a limited input current at no more than a pre-determined level. A charge reservoir couplable in parallel with an output of the current limiter supplements the limited input current when the pre-determined level is exceeded. The charge reservoir is replenished with surplus limited current when the data storage device draws less than the pre-determined level. A boost assist regulator monitors a requested current from the data storage device, and initiates operation of the charge reservoir to supplement the limited input current when the requested current exceeds the limited input current.
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公开(公告)号：US10387337B2
公开(公告)日：2019-08-20
申请号：US15399641
申请日：2017-01-05
Applicant: Seagate Technology LLC
Inventor： John Wayne Shaw , Robert John Dore , Christopher A. Massarotti , Philip Jurey , Ashutosh Razdan , Philip Yin , Michael Gene Morgan
Abstract: An apparatus includes a communication interface, a controller, and a power section. The communication interface is configured to receive power from an external host to the apparatus. The controller is configured to limit a current drawn by the communication interface to a predetermined value when the apparatus is powered through the external host. The power section is configured to generate a first voltage from a portion of the limited current drawn by the communication interface. The first voltage powers a data storage circuitry. The power section is further configured to store electrical charges received from another portion of the limited current drawn by the communication interface. The power section is further configured to generate a second voltage from the stored electrical charges in response to a signal from the controller. The second voltage supplements the first voltage during high power events by the data storage circuitry.
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公开(公告)号：US20180113497A1
公开(公告)日：2018-04-26
申请号：US15331425
申请日：2016-10-21
Applicant: Seagate Technology LLC
Inventor： Christopher A. Massarotti , John Wayne Shaw, II , Philip Jurey , Brian Dean Boling
CPC classification number: G06F1/266
Abstract: A charge leveler coupled between an external power supply and a data storage device includes a current limiter to receive an input current from the external power supply and to provide a limited input current at no more than a pre-determined level. A charge reservoir couplable in parallel with an output of the current limiter supplements the limited input current when the pre-determined level is exceeded. The charge reservoir is replenished with surplus limited current when the data storage device draws less than the pre-determined level. A boost assist regulator monitors a requested current from the data storage device, and initiates operation of the charge reservoir to supplement the limited input current when the requested current exceeds the limited input current.
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