Solution for USB PD Type C - szfujiawei.com

1 Solution for USB PD Type C Kenny Chan March, 2015 CONFIDENTIAL USB PD Safety Total Solution Cost Key Considerations of USB PD Application Solution HW/FW Support Miniature Design Design tool Mfg. test Certification/Logo After service Poor quality of adaptor or devices Aging and poor quality problem of cable, plug, receptacle & Buck Cap Cable voltage drop caused by high current Dust problems Low BOM Cost Low Develop Cost Low Mfg Cost CONFIDENTIAL Total Integrated Solution 3 RT7800 RT7207 RT7786 RT9460 Buck AC/DC DC/DC PWM PD Control + CC/CV + SR + Protection PD Control + Protection Charger IC - single cell RT1710 Boost CONFIDENTIAL RT7800 - USB PD Controller Features USB PD Type-C High Flexibility.

2 Embedded ARM M0 MCU Two I2C Interface for both EC & Charger Programmable for DRP, DFP and UFP Auto selection of various input source ( DC barrel or VBUS or VSYS5V ) High Integration: 3 Power Path N-MOSFETs Drive Rd , Rp Resistors and Switches Built in LDO Built in Support Vconn and Dead Battery Function Protection: OVP for VBRL, VBUS, VSYS OCP for VSYS Vconn OVP and OCP Vbus Constant Current and Cable Compensation Quick Discharge 4 QFN5x5-32pins CONFIDENTIAL Built in LDO, CC, Vconn, Pre-driver Rp Rd Vconn Vbus Rd Rx Rd Tx TXEN Rp VCONN_CTRL XX Company RT7800A CC LDO CONFIDENTIAL RT7800A Typical Application Circuit - Tablet 6 Smart Phone USB PD Provider Dual Role USB PD Port (Type C) RT9460 CHGCNTRLSYS VINRT7800 BUSB PDType-CControllerType CReceptacle24 PinsAPSCK_ECSDA_ECALERT# (Fault, ACOK, BRLOK, Role )

3 GPGC2 BGC2 AVSYS5 LDO1P8 VDDVBVBRLGNDVBUSCC1CC25 VENPCSCKSDACS-CS+SCK_CHGSDA_CHGIRQCEBSTA TTSIRQCEBSTATTSVPTSBATSYSLXMIDVINB attery Pack5 VBoostSys5 VIDAC for Vout + RT9640 Enable Fast Charge RT9640 CONFIDENTIAL RT7800A Typical Application Circuit - NB 7 CHGCNTRLSYS VINACDETRT7800 AUSB PDType-CType CReceptacle24 PinsBRLR eceptacleDAC_CVECSCKSDAACPRESALERT# (Fault, ACOK, BRLOK, Role ) +VCONN2 VCONN1optionoptionVCONNVBPSWRT8296 AFBENVINCONFIDENTIAL RT7207 - USB PD Controller for SMPS Features USB PD Type-C Compliant , Other protocol is optional Highly Integration: ARM M0 MCU embedded Transceiver embedded for BMC.

4 Programmable Type C current mode setting. (default, , 3A) CV and CC Control Synchronous rectifier driver and controller (Operate in both DCM and CCM for wide output voltage range (RT7207T) BLD pin for quick discharge Shut regulator and Programmable cable compensation built in Charge pump built in for wide VDD operation range ( 3V to 20V ). USBP pin to directly drive external isolation P-MOSFETs . Green mode in standby for power saving Protection: OTP, Adaptive OVP, Programmable UVP, SCP CS+CS-V_TRVGVDDBLDD+D-V5V2V9 VFBIFBOPTOVCPRTOVPCC1 USBPQFN4X4 PGNDAGNDCC2 VDDAGNDCONFIDENTIAL 9 AC/DC Adaptor Solution Adaptive Adaptor.)

5 High Efficiency > 90% Power Saving < 30mW @ 5V High integration and Protection Small size Low cost QFN4x4 24 pin VOUTGNDOPTOCOMPGNDVDDGATECS/OTPDMAGHVCC1CC2CS-CS+VDDV2 BLDOPTOIFBVFBV5CC1CC2 PGNDRTAGNDV_TRVGD-D+RT7786RT7207 TUSBPOVPVCPV9AC Mains+++22215,1643189242313141210111, 171920215678 CONFIDENTIAL 10 AC/DC Adaptor Solution Adaptive Adaptor: High Efficiency > 88% Power Saving < 30mW @ 5V High integration and Protection Small size Low cost SOP16 VOUTGNDOPTOCOMPGNDVDDGATECS/OTPAC MainsDMAGHVCC1 BLDCS-VDDV2 OPTOIFBVFBV5CC1CC2CS+VCPUSBPV9CC2RT7207 DRT7786 AGNDPGNDCONFIDENTIAL Typical Application Circuit of RT7207T 11 CC Built in: CC/CV, LDO, TL431, OVP, OTP, SR, Cable Comp, Charge Pump, PMOS drive, Quick Discharge, Single Fault , PWM Off @ OVP SR OTP Charge Pump Quick Discharge CONFIDENTIAL 12 RT7786.

6 PWM for Adaptive Power SOP-8 COMPCSGNDDMAGVDDHVGATE6784523NC7 Features Designed for adaptive power Wide Vdd Range ( 7V~38V) Adaptive Vo OVP , UVP for < 3V Feedback Loop Fault Protection Adaptive Loop Gain for Loop Stability Adoptive Current Limit to meet LPS High Efficiency: CCM/QR Hybrid Control Power Saving < 30mW @ 5V Other Protection: Vdd OVP, OCP, OLP, OTP, Adjustable Constant Output Power , Brown in/out protection, Secondary Rectifier Short Protection , Adaptive Vo OVP CONFIDENTIAL 13 RT1710 _ E-Mark IC for USB PD Features Support SOP and SOP communication Embedded RA resistor in detection pin Support to operation on VCONN pin Built-in voltage clamp in CC pin to avoid EOS Built-in slew rate control for BMC signal to reduce the effect of EMI Support custom structured VDM writing through CC pin CONFIDENTIAL Summary Total USB PD Solution from Richtek 14 USB PD Safety Total Solution Cost