RSL10 Smart Shot Camera Power Consumption Measurements
■The RSL10 smart shot camera is a complete ultra−low−power, battery operated, edge−to−cloud platform that enables new vision applications that require compact, wireless connectivity, and low duty cycle image capture with cloud−based analytics. There are two variants of this camera platform RSL10 smart shot mono camera (SECO− RSL10−CAM−GEVB) and RSL10 smart shot color camera (SECO−RSL10−CAM−COLOR−GEVK) that are optimized for power consumption that improves the battery lifetime performance of the system. This document describes the results of power consumption measurements performed on the camera platform.
■RSL10 Smart Shot Camera Design Considerations
■The RSL10 smart shot camera has been designed with ultra−low−power components like onsemi’s ARX3A0 image sensor and RSL10 SiP module, and SunplusIT SPC1100A image sensor processor (ISP). On SECO−RSL10−CAM−COLOR−GEVK, onsemi’s FAN53880 power management IC (PMIC) and additional smart power management modes have been implemented on the hardware to deliver superior power consumption for long battery operation. On SECO−RSL10−CAM−GEVB, onsemi’s NCP6925 power management IC (PMIC) is used. Some key design considerations taken for power consumption are:
▲Vision sub−system that includes the image sensor and the ISP are placed on a separate power rail. This allows the controller (RSL10) to completely power−off the vision sub−system for most of the camera operation duration and turn it on for image capture when an event is triggered.
▲The RSL10 SiP module is put into deep sleep state for most of the camera operation duration while the camera is in advertising mode and connected mode when the event triggers are enabled. The RSL10 is turned into high gear only for image capture and transmission.
▲High speed MIPI interface is used for connectivity between the ISP and the image sensor.
▲High speed SPI interface is used for image transfer between the ISP and RSL10 controller, thereby reducing the wake−up time of the vision sub−system.
■More information about the different camera modes is available in the user manual.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2021/8/19 |
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Rev. 0 |
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AND90131/D |
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376 KB |
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