Invention Grant
- Patent Title: Current ramping during multiphase current regulation
- Patent Title (中): 多相电流调节期间电流斜坡
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Application No.: US14144785Application Date: 2013-12-31
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Publication No.: US09244473B2Publication Date: 2016-01-26
- Inventor: Chris M. Young , Sunder S. Kidambi , James R. Toker
- Applicant: INTERSIL AMERICAS LLC
- Applicant Address: US CA Milpitas
- Assignee: Intersil Americas LLC
- Current Assignee: Intersil Americas LLC
- Current Assignee Address: US CA Milpitas
- Agency: Meyertons Hood Kivlin Kowert & Goetzel, P.C.
- Agent Jeffrey C. Hood
- Main IPC: H02M3/156
- IPC: H02M3/156 ; G05F1/12

Abstract:
Voltage regulators in a current share arrangement may provide a total current to a common load, and may be simultaneously turned on to ramp up member currents. Each voltage regulator may provide a respective member current in the current share configuration. A target current value may be determined from a cycle-averaged current value of the member currents and a voltage error value of the voltage regulator, and each member current may be ramped to the target current value instead of the cycle-averaged current value when the voltage regulators are turned on, resulting in more stable and balanced current ramping. A predictive multi-phase digital controller may therefore operate according to a target current determined based on a measured or inferred inductor current and an error voltage. Pulse-width, pulse position and pulse frequency (adding or skipping pulses) may be calculated according to the operation of the predictive multi-phase digital controller.
Public/Granted literature
- US20140333270A1 Current Ramping During Multiphase Current Regulation Public/Granted day:2014-11-13
Information query
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