Driver unit and driving method for driving a load
First Claim
1. A driver unit for driving a load where the load includes a plurality of load elements, the driver unit comprising:
- a plurality of driver devices connected to the plurality of load elements, respectively, for driving the plurality of load elements individually,a control interface for receiving a power control signal including a single general power demand to be set by the driver unit,wherein each driver device comprises a driver interface connected to the control interface for receiving the power control signal including the single general power demand, andwherein each driver device is adapted to determine an individual power level for a respective one of the load elements on the basis of the single general power demand and to drive said respective one of the load elements according to the individual power level, so that at least one of the plurality of driver devices, set for the individual power level, is configured to be switched off when the single general power demand is decreased to lesser than a minimum power level of said at least one of the plurality of the driver devices.
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Accused Products
Abstract
Embodiments described herein comprise a driver unit for driving a load including a plurality of load elements. In one example, the driver unit comprises a plurality of driver devices connected to the load elements for driving the load elements individually. The driver unit comprises a control interface for receiving a power control signal. Each driver device comprises a driver interface connected to the control interface for receiving the power control signal including single general power demand to be set by the driver unit, and each driver device is adapted to determine an individual power level on the basis of the single general power demand and to drive the load elements according to the individual power signal, so that at least one of the plurality of driver devices is configured to be switched off when the single general power demand is decreased.
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Citations
14 Claims
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1. A driver unit for driving a load where the load includes a plurality of load elements, the driver unit comprising:
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a plurality of driver devices connected to the plurality of load elements, respectively, for driving the plurality of load elements individually, a control interface for receiving a power control signal including a single general power demand to be set by the driver unit, wherein each driver device comprises a driver interface connected to the control interface for receiving the power control signal including the single general power demand, and wherein each driver device is adapted to determine an individual power level for a respective one of the load elements on the basis of the single general power demand and to drive said respective one of the load elements according to the individual power level, so that at least one of the plurality of driver devices, set for the individual power level, is configured to be switched off when the single general power demand is decreased to lesser than a minimum power level of said at least one of the plurality of the driver devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14)
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12. A method for driving a load including a plurality of load elements, comprising the steps of:
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providing a power control signal to a plurality of driver devices for driving the load elements, wherein the power control signal includes a single general power demand, determining, by each of the driver devices, an individual power level for a respective one of the load elements on the basis of the single general power demand and on the basis of a quantity of the driver devices, and driving the load elements individually according to the individual power level so that at least one of the plurality of driver devices, set for the individual power level, is configured to be switched off when the single general power demand is decreased to lesser than a minimum power level of said at least one of the plurality of the driver devices.
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Specification