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Notebook PCs are used around the world to charge battery-powered handheld devices such as cell phones, tablets and MP3/MP4 players. Hand-held devices require communication with the notebook PC before they start to draw current. This ensures that the handheld device will obtain sufficient current when it wants to charge. The challenge is that notebook PC's do not provide acknowledge signal to the handheld device when the notebook is in “Sleep” mode. The PI5USB1468(/A) solves this issue by setting the D+/D- pins in the notebook PC to the required signal levels during “sleep” mode. When the handheld device sees these required signal levels, it will then start to draw the current required to charge itself. Cell phones within today’s market use different communication schemes, so the switch will need to configure itself in different modes. PI5USB1468 (/A) can alternate between modes automatically, once device type is correctly detected. D+, D- are protected with Diodes' ESD protection circuits supporting ESD damage as high as +/-4kV contact per IEC61000-4-2 specification.
Manages communication to allow charging to occur
Provides multiple modes of charging to ensure all of the following specs can be met:
DCP, CDP, and SDP per BC1.0, 1.1, 1.2 spec
DCP per YD/T-1591 spec
Samsung fast charging
Sony Ericsson fast charging
Apple fast charging 1A
Amazon Kindle Fire
Automatic USB Device Identification Circuit (used to determine charging mode required)
Single Power Supply, 5V ±5%
-40°C to +85°C Operating Temperature Range
Integrated ESD protection up to +/- 4kV contact on pins 2 and 3 per IEC61000-4-2 spec
Detects and differentiates between High-Speed devices and mouse/keyboard (USB Low/Full Speed device) when in Auto dedicated charging mode
Environmental Compliance Legend: LFF: Pb-Free Finish and RoHS 5/6 TLFP: Totally Pb-Free Product and RoHS 6/6 LFGP: Pb-free Finish and Green Product, RoHS 5/6 and Halogen Free TPGP: Totally Pb-Free and Green Product, RoHS 6/6 and Halogen Free GREEN: Halogen-free and RoHS compliant RoHS: RoHS compliant but NOT halogen-free
Product Change Notices (PCNs)
A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.