USB3751A-1

Microchip's USB375x family of Hi-Speed USB switches were specifically designed to enable a range of applications to achieve single-port connectivity. Their design provides a substantial 1GHz of bandwidth, allowing for the passage of robust USB 2.0 signals. The USB375x family of highly-integrated USB 2.0 switches contains port detection and port protection within a small footprint package. The USB375x family provides excellent ESD performance along with over-voltage (OVP) and under-voltage (UVP) protection for the entire system. Microchip's RapidCharge Anywhere™ technology enables USB-IF Battery Charging Compliant detection capabilities for targeted portable devices, allowing for quick charging with a host PC or dedicated charger. Additionally, Microchip's complimentary and confidential USBCheck™ online design review service is available for customers who select the USB375x for their application design-in.*

Features
  • Provides VBUS over-voltage protection up to 9V
  • Contains over-voltage and under-voltage lock-out feature
  • 15kV IEC capability for contact and air discharge
  • Supports USB battery charging detection from dedicated and host chargers
  • Allows dead battery support with 100mA trickle charge control
  • I2C interface for control and customization of the device
  • Supports industrial temperature range (-40° to 85°C)
  • 16-pin QFN, RoHS-compliant package
  • Smart phones
  • Storage Drives
  • Headsets
  • Media Players
  • Tablets and Docking Stations
  • Bluetooth® Earpieces
  • MP3 Players
  • Industrial Products
Parameter
Parameter Name Value Value
Description USB 2.0 Port Protection and Charger Detection USB 2.0 Port Protection and Charger Detection
Upstream Port USB 2.0 USB 2.0
USB Speed High Speed High Speed
Integrated Vbus Power Switch Yes Yes
Port Protection Yes Yes
Battery Charger Detection Yes Yes
Dead Battery Current Limit Yes Yes
Temp. Range Min. -40 -40
Temp. Range Max. 85 85
Documents
USB375x USB 2.0 Protection IC with Battery Charger Detection Data SheetData Sheets09/30/2014408KB
USB375x USB 2.0 Protection IC with Battery Charger Detection Data BriefProduct Briefs02/12/2013272KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
USB3751A-1-A4-TR16QFN-40C to +85CT/R0.930.780.710.680.67
Similar Devices
ProductUpstream PortUSB SpeedTemp. Range Max. (C°)Price5K
USB3740USB 2.0High Speed85$0.56
USB3750A-1USB 2.0High Speed85$0.79
USB3751A-1USB 2.0High Speed85$0.67
USB3751A-2USB 2.0High Speed85$0.67
RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
USB3751A-1-A4-TR0.0216000.11400016QFN3x3x0.9mmMatte Tine3
USB375x USB 2.0 Protection IC with Battery Charger Detection Data Sheet USB3751A-2
USB375x USB 2.0 Protection IC with Battery Charger Detection Data Brief USB3751A-2