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The RT9752 is a USB Type-C Downstream Facing Port (DFP) controller with back to back power switch which offers 28V tolerance on VOUT pin at off state and 3A rated supply current for VBUS for USB Type-C applications. The RT9752 have Configuration Channel (CC) function to determine when USB device is attached. If the Upstream Facing Port (UFP) is attached using an E-marked cable, the RT9752 also applies power to VBUS and VCONN power to the cable CC pin. The RT9752 also identifies when Type-C audio or debug accessories are attached. Reverse voltage protection is provided to prevent reverse current flowing back to input power supply in a power source swap application.

Applications

  • Type-C USB Chargers
  • PC Products Base on Type-C Host Port
Key Spec.
RT9752A RT9752AN RT9752B RT9752BN
Status Active Active Active Active
Number of Outputs 1 1 1 1
Vin (min) (V) 4.5 4.5 4.5 4.5
Vin (max) (V) 5.5 5.5 5.5 5.5
Ron (typ) (mOhm) 34 34 34 34
Iq (typ) (mA) 0.24 0.24 0.24 0.24
Current Limit (typ) (A) 1.7;3.4 1.7;3.4 1.7;3.4 1.7;3.4
FLAG Indicator Yes Yes Yes Yes
Iocp Adjustable Yes Yes Yes Yes
Safety Nemko;UL Nemko;UL Nemko;UL Nemko;UL
Switch Type Power Switch Power Switch Power Switch Power Switch
Features Adjustable Current Limit;Enable Input;OCP;OVP;SCP Adjustable Current Limit;Enable Input;OCP;OVP;SCP Adjustable Current Limit;Enable Input;OCP;OVP;SCP Adjustable Current Limit;Enable Input;OCP;OVP;SCP
Package Type WQFN3x4-20T(FC) WQFN3x4-20T(FC) WQFN3x4-20T(FC) WQFN3x4-20T(FC)
Features
  • USB Type-C Compliant DFP Controller
  • Standard USB/1.5A/3A Capability Advertisement on CC
  • VBUS Application and Discharge
  • VCONN Application to Electronically Marked Cable
  • VIN Supply Voltage Range from 4.5V to 5.5V
  • Reverse Voltage Protection with Ultra Fast RVP Recovery
  • Low On-Resistance of the Power FETs
  • Programmable Current Limit Level
  • High Reliability of High Voltage Power Switch
  • UL Approved-E219878
  • Nemko Approved-NO110026
Technical Documents
TitleItem TypeLast UpdateDownload
Richtek Product Selection Guide [Jan., 2024] Selection Guide2024/01/18
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT9752AGQWFWQFN3x4-20T(FC)1,500 Request Digikey 1,450 Buy
Mouser 742 Buy
Please confirm with our distributor or sales representative for actual stock status.
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