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产品描述
Microchip's USB334x family of Hi-Speed USB 2.0 transceivers delivers enhanced USB functionality for the portable market with support for the latest USB-IF Battery Charging 1.2 (BC 1.2) specification. This family of devices dramatically reduces the time required for battery charging and system bill-of-material (BOM) costs by up to 60% over competitive solutions. Microchip has positioned itself as a leader in providing innovative solutions in support of the latest USB-IF Battery Charging specification. The new USB334x provides an excellent compliment to USB charging ports by enabling portable devices to negotiate up to three times the charging current compared to a standard USB port, resulting in faster battery charging. The USB334x is designed in a small footprint package and reduces the number of external components through the integration of voltage regulators and other discretes. Additionally, Microchip's complimentary and confidential USBCheck? online design review service is available for customers who select the USB334x for their application design-in*.
标题
USB334x Enhanced Single Supply Hi-Speed USB ULPI Transceiver Data Brief - USB334x Enhanced Single Supply Hi-Speed USB ULPI Transceiver Data Brief
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Integrated USB Switch (USB3341, USB3346, and USB3347) - Allows single USB port of connection by providing switching function for:
Battery charging Stereo and mono/mic audio USB Full-Speed/Low-Speed dataRapidCharge AnywhereTM Provides: - 3-times the charging current through a USB port over traditional solutions - USB-IF Battery Charging 1.2 compliance to any portable device - Charging current to 1.5Amps via compatible USB host or dedicated charger - Dedicated Charging Port (DCP), Charging (CDP) & Standard (SDP) Downstream Port support
flexPWR® Technology - Extremely low current design ideal for battery powered applications - "Sleep" mode tri-states all ULPI pins and places the part in a low current state 3.3V IO Voltage (USB3343)
Single Power Supply Operation - Integrated 1.8V regulator - Integrated 3.3V regulator"Wrapper-less" design for optimal timing performance and design ease - Low Latency Hi-Speed Receiver (43 HiSpeed clocks Max) allows use of legacy UTMI Links with a ULPI bridge
External Reference Clock operation available - ULPI Clock Input Mode (60 MHz sourced by Link) to 3.6V input drive tolerant - Able to accept "noisy" clock sources as reference to internal, low-jitter PLL - Crystal support available (USB3343)
Smart detection circuits allow identification of USB charger, headset, or data cable insertionIncludes full support for the optional On-The-Go (OTG) protocol detailed in the On-The-Go Supplement Revision 2.0 specification
Supports the OTG Host Negotiation Protocol (HNP) and Session Request Protocol (SRP)and DM lines to VBUS or ground Industrial Operating Temperature +85C 24 pin, QFN RoHS Compliant package
ApplicationsThe USB334x is the solution of choice for any application where a Hi-Speed USB connection is desired and when board space, power, and interface pins must be minimized.
Cell Phones PDAs MP3 Players GPS Personal Navigation Scanners External Hard Drives Digital Still and Video Cameras Portable Media Players Entertainment Devices Printers Set Top Boxes Video Record/Playback Systems IP and Video Phones Gaming Consoles
It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors@microchip.com. We welcome your feedback.
To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: http://www.microchip.com
You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page. The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for current devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the revision of silicon and revision of document to which it applies. To determine if an errata sheet exists for a particular device, please check with one of the following: Microchip's Worldwide Web site; http://www.microchip.com Your local Microchip sales office (see last page) When contacting a sales office, please specify which device, revision of silicon and data sheet (include -literature number) you are using.
Register on our web site at www.microchip.com to receive the most current information on all of our products.
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USB3343-CP-TR
USB3343-CP-TR has several brands around the world that may have alternate names for USB3343-CP-TR due to regional differences or acquisition. USB3343-CP-TR may also be known as the following names:
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