The USB334x family of devices from Microchip are Hi-Speed USB2.0 ULPI Transceivers that support USB-IF Battery Charging 1.2 (BC 1.2) specification.
Features USB-IF Battery Charging 1.2 Specification Compliant
Link Power Management (LPM) Specification Compliant
Integrated ESD protection circuits – Up to ±25kV IEC Air Discharge without external devices
Over-Voltage Protection circuit (OVP) - protects the VBUS pin from continuous DC voltages up to 30V
Integrated USB Switch - USB3341, USB3346, and USB3347 models only
Microchip’s RapidCharge Anywhere™:
- 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 up 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
Single Power Supply Operation - Integrated 1.8V and 3.3V regulators
PHYBoost – Programmable USB transceiver drive strength for recovering signal integrity
VariSense™ - Programmable USB receiver sensitivity
“Wrapper-less” design for optimal timing performance and design ease
External Reference Clock operation available
Smart detection circuits allow identification of USB charger, headset, or data cable insertion
Includes 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)
UART mode for non-USB serial data transfers
Internal 5V cable short-circuit protection of ID, DP and DM lines to VBUS or ground
Feature
- Highly-integrated, Hi-Speed USB 2.0 transceivers
- Integrated VBUS over-voltage protection (up to +30V)
- Integrated regulators allow single supply operation
- Extremely high ESD performance in a Hi-Speed USB transceiver
- ±8kV HBM with up to ±25kV IEC (contact/air)
- Supports a wide variety of common reference clock frequencies
- USB-IF Battery Charger revision 1.2 support
- USB connector as a single port for data, charging and audio
- 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
- QFN, RoHS-compliant package
- Digital Still/Video Cameras
- Smartphones/Cell Phones
- GPS Personal Navigation Devices
- MP3/Portable Media Players (PMPs)
- External Hard Disk Drives
- Gaming Consoles
Highlights
