®
RT7800B
AnyPower
TM
and PDsafe
TM
USB Type-C PD Controller
General Description
The RT7800B is a USB Power Delivery (USB PD) controller
with highly integrated functions for notebook, tablet, mobile
phone or any other devices with USB Type-C (USB-C)
receptacle. It is designed to embed ARM Cortex
TM
-M0
MCU so as to facilitate various functions of communication
protocol, protections and customized requirements. The
IC allows designer to define a USB-C port as a Provider,
Consumer or a Dual Role Port by program setup.
Features
AnyPower
TM
= AnyVolt
TM
+ AnyCurrent
TM
AnyVolt
TM
(50mV/step) Output Voltage Adjustment
for USB Cable Bus Power (V
BUS
)
Support Internet Online Firmware Updates
AnyCurrent
TM
OCP for USB-C VBUS Output
Cable Voltage Drop Compensation (CDC) for V
BUS
Support Provider, Consumer and Dual Role
Compliant with USB Power Delivery 3.0
Specification
High Integration :
�½
ARM M0 MCU for PD Protocol, Policy Engine
and Device Policy Manager; Two I
2
C Interfaces
�½
Built-in Rp, Rd and BMC Physical Layer
GPIOs for MUX Control and Customized
Functions
�½
Automatic IC Bias Input Selection
�½
Standard Compliance Quick Discharge for V
BUS
�½
Support Dead Battery Function
�½
Support USB Plug Power (V
CONN
)
�½
4 Built-in Charge Pump NMOS Gate Drivers
PDsafe
TM
:
�½
OVP Detections at VBUS and VX Pins
�½
UVP Detection at VBUS Pin
�½
Current Limit for VCONN1/2 Output
�½
Maximum Rating, 22V for CC1 and CC2 Pins
�½
Applications
Notebook PC, Tablet PC, Smart Phone
Desktop PC, LCD Monitor, TV, Docking Station
Car Charger, Power Bank
Portable Hard Disk, Dongle, Hubs
Simplified Block Diagram
AnyPower
TM
and PDsafe
TM
USB Type-C PD Controller
IC Bias Supply
3 Input Pins,
Two LDOs
Protections
VBUS, VX
OVPs
VBUS UVP
MCU System
ARM
Cortex
TM
TM
-M0
ROM
MTP Memory
SRAM
I C
Slave, Master
GPIOs
10-bit ADC
2
Power Controls
AnyVolt
CV Control
Offset-Cancelled
CS Amplifier
NMOS Gate
Drivers
Output
Bleeder
TM
AnyCurrent
Output OCP
TM
VCONN Current-
Limit
CC1/2 Functions
PD Comm.
Physical Layer
Built-in Rp, Rd
VCONN Switch
Dead Battery
Function
Ordering Information
RT7800B
Package Type
QW : WQFN-40L 5x5 (W-Type)
Lead Plating System
G : Green (Halogen Free and Pb Free)
Note :
Richtek products are :
�½
Marking Information
RT7800BGQW : Product Number
RT7800B
GQW
YMDNN
YMDNN : Date Code
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
�½
Copyright
©
2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS7800B-00 May 2017
www.richtek.com
1
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
