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STUSB4500 Datasheet

Standalone USB PD sink controller

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STUSB4500
Datasheet
Standalone USB PD sink controller with short-to-VBUS protections
Features
Product status link
STUSB4500
Device summary
Order code
STUSB4500QTR
STUSB4500BJR
Description
Standalone USB PD
sink controller (auto-run
mode)
Package
QFN-24 EP (4x4)
WLCSP-25
(2.6x2.6x0.5)
Marking
4500
• Auto-run Type-C™ and USB PD sink controller
• Dead battery mode support
• Up to 3 sink PDO configurable profiles
• Dual high power charging path support
• Integrated VBUS switch gate drivers (PMOS)
• Integrated VBUS voltage monitoring
• Internal and/or external VBUS discharge paths
• Short-to-VBUS protections on CC pins (22 V)
• High voltage capability on VBUS pins (28 V)
• Dual power supply (VSYS and/or VDD):
– VSYS = [3.0 V; 5.5 V]
– VDD = [4.1 V; 22 V]
• Debug accessory mode support
• Temperature range: -40 °C up to 105 °C
• ESD: 3 kV HBM - 1.5 kV CDM
• Certified:
– USB Type-C™ rev 1.2
– USB PD rev 2.0 (TID #1000133)
• Interoperable with USB PD rev 3.0
Applications
• Printers, camcorders, cameras
• IoT, drones, accessories and battery powered devices
• LED lighting and industrial
• Toys, gaming, POS, scanner
• Healthcare and handheld devices
• Any Type-C sink device
Description
The STUSB4500 is a USB power delivery controller that addresses sink devices. It
implements a proprietary algorithm to allow the negotiation of a power delivery
contract with a source without MCU support (auto-run mode). PDO profiles are
configured in an integrated non-volatile memory.
The device supports dead battery mode and is suited for sink devices powered from
dead battery state and requiring high power charging profile to be fully operational.
Thanks to its 20 V technology, it implements high voltage features to protect the CC
pins against short-circuits to VBUS up to 22 V and to support high voltage on the
VBUS pins directly connected to the VBUS power path up to 28 V.
DS12499 - Rev 2 - July 2018
For further information contact your local STMicroelectronics sales office.
www.st.com


STMicroelectronics Electronic Components Datasheet

STUSB4500 Datasheet

Standalone USB PD sink controller

No Preview Available !

STUSB4500
Functional description
1 Functional description
The STUSB4500 is a USB Type-C™ and power delivery controller IC for sink applications. It is able to negotiate a
power delivery contract with a source without MCU support (auto-run mode). It relies on proprietary algorithms
and configurable PDO (power data objects) thanks to an integrated non-volatile memory. It supports dead battery
mode to allow a system to be powered from an external source directly. Combined with its capability to negotiate
directly a power contract, the STUSB4500 is the ideal controller device for autonomous systems requiring high
power charging profile to be fully operational.
The STUSB4500 major role is to:
1. Detect the connection between two USB Type-C ports (attach detection)
2. Establish a valid source-to-sink connection
3. Determine the attached device mode: source or debug accessory
4. Resolve cable orientation and twist connections to establish USB data routing (MUX control)
5. Negotiate a USB power delivery (PD) contract with a PD capable source device
6. Configure the incoming VBUS power path and the charging paths accordingly
7. Monitor the VBUS power path and manage the VBUS voltage transitions
8. Handle the high voltage protections
The STUSB4500 also provides:
• Dead battery mode
• PDO (power data object) customization through NVM
• Internal and/or external VBUS discharge paths
• Dual high power charging path support
• Debug accessory mode detection
• Customization of the device configuration through NVM to support specific applications
1.1 Block overview
Figure 1. Functional block diagram
VSYS
VDD
RESET
VBUS_EN_SNK
A_B_SIDE
DISCH
ADDR[1..0]
SCL
SDA
ALERT
ATTACH
POWER_OK2
POWER_OK3
GPIO
GND
Internal
supply
VBUS status
POR
voltage
monitoring
I²C
slave
Port status
Port C
controller
Control
Device
Policy
Manager
Policy
Engine
Protocol
Layer
CC
line
access
Physical
Layer
VBUS_VS_DISCH
CC1DB
CC1
CC2
CC2DB
DS12499 - Rev 2
page 2/41


Part Number STUSB4500
Description Standalone USB PD sink controller
Maker STMicroelectronics
Total Page 30 Pages
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