Electrifying circuit on mobile terminal camera
A mobile terminal and camera technology, applied in the field of cameras, can solve problems such as prolonging the time to market of products and increasing R&D investment, and achieve the effects of shortening project cycle, reducing R&D costs and enhancing compatibility
Inactive Publication Date: 2009-09-16
WINGTECH COMM
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The invention discloses an electrifying circuit on a mobile terminal camera, wherein a camera module comprises a front camera compatible with 0.16/0.30/1.30 megapixels and a back camera compatible with 0.30/1.30/2.00 megapixels, and a power supply module comprises a first LDO power supply, a second LDO power supply and a DC-DC power supply with adjustable voltage; both the front camera and the back camera comprise three paths of power supplies, and both an analog power supply AVDD and an I/O power supply DOVDD are provided by the second LDO power supply; a digital power supply DVDD of the front camera is provided by the first LDO power supply; when the back camera is of 0.30/1.30 megapixels, the digital power supply DVDD is provided by the first LDO power supply; and when the back camera is of 2.00/3.00 megapixels, the digital power supply DVDD is provided by the DC-DC power supply. With the electrifying circuit on the mobile terminal camera, cameras with different pixels can be configured on a mainboard of a same mobile phone freely according to different requirements.
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