USB333x/334x USB Transceiver Family
Hi-Speed USB 2.0 Transceiver Family Featuring RapidCharge Anywhere
for Smartphones and Other Portable Devices
SMSC’s USB333x/334x 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 1.1 (BC 1.1) 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. SMSC has positioned
itself as a leader in providing innovative solutions in support of BC 1.1. The new USB333x/334x 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 USB333x/334x is designed in a small footprint package and reduces the number
of external components through the integration of voltage regulators and other discretes. Additionally, SMSC’s complimentary and
confidential USBCheck™ online design review service is available for customers who select the USB333x/334x for their application
design-in*.
Highlights
Target Applications
Features
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Single supply operation
Integrated VBUS over-voltage protection (OVP)
Integrated USB switch and ESD protection
flexPWR
Multiple clock input frequencies supported
Extremely small package footprint
Highly-integrated, Hi-Speed USB 2.0 transceivers
Extremely high ESD performance in a Hi-Speed USB transceiver
Supports a wide variety of common reference clock frequencies
USB-IF Battery Charger revision 1.1 support
Digital Still/Video Cameras
Smartphones/Cell Phones
Integrated VBUS over-voltage protection (up to +30V)
Integrated USB switch enables connector as a single port
for data, charging and audio
±8kV HBM with up to ±25kV IEC (contact/air)
®
technology providing extremely low power consumption
GPS Personal Navigation Devices
MP3/Portable Media Players (PMPs)
Benefits
Eliminates need for external regulators
Eliminates need for costly external OVP IC
Enables lower BOM part count and smaller PCB footprint area
Longer battery life and variable I/O voltage capability
Allows USB PHY to operate from the system clock, eliminating
the need for an external crystal oscillator for the USB PHY
Efficient PCB board space utilization
Ultra-low standby current
“Wrapper-less” architecture for optimized timing performance
Hi-Speed USB On-The-Go (OTG) revision 2.0 compliant
Link Power Management (LPM)
Industrial (-40° to 85°C) temperature range options available
WLCSP, RoHS-compliant package (USB333x)
QFN, RoHS-compliant package (USB334x)
External Hard Disk Drives
Gaming Consoles
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