DPS1133FIAQ
24V/3A 1-CH POWER SWITCH WITH FAST ROLE SWAP
Description
Pin Assignments
The DPS1133FIAQ is part of a family of power switches optimized for
the USB Power Delivery and other hot-swap applications. Through
the analog interface, exception status is reported and several
functions can be programmed: current limit, overvoltage protection,
and output voltage ramping up. The fast role swap function, which
complies with the requirements defined in the USB Power Delivery
Specification Release 3.0, V1.0a is implemented, and many popular
(Top View)
IN
IN
1
2
3
4
5
6
17 OUT
16 OUT
15 OUT
14 VLIM
13 ILIM
12 DV/DT
®
IN
USB Type-C applications.
18
SRC
EN
This device is designed to operate between 4.5V and 24V. It offers
fast short-circuit response time to ensure system robustness. The
integrated port-discharge function allows the voltage levels at the
input and output ports to be discharged to meet the requirements of
the USB Power Delivery Specification. Comprehensive fault detection
and recovery mechanisms are provisioned to enable applications
which are subjected to heavy capacitive loads and the risk of short
circuit. These mechanisms include: reverse voltage and current
blocking, input overvoltage protection, output overcurrent, short-circuit
protection, and overtemperature shut-down. In addition, the rise time
of output voltage can be adjusted to minimize in-rush current and to
ensure system stability. Before any exception condition is notified via
the low-active FAULTB signal, deglitch of 7ms is applied to prevent
false triggering.
FRS
GND
V-QFN4040-17
The DPS1133FIAQ is housed in the low-profile and space-saving V-
QFN4040-17 package which is manufactured with environmental-
friendly material.
Applications
Features
Notebook, Desktop, and AIO PCs, Servers, and Tablets
Docking Stations, Universal and Multimedia Hubs
FPTVs, PC Monitors
Set-Top-Boxes, Residential Gateways, Storage Devices
Power Protection in Industrial and Automotive Applications
Wide Operating Voltage Range: 4.5V to 24V
1-Channel Power Switch with Integrated Adjustable Current &
Voltage Limits
Ability to Discharge the Input and Output Ports either Individually
or Simultaneously via Two External Control Pins
Fast Short-Circuit Response Time at 2µs
Comprehensive Built-in Fault Detection and Recovery
Mechanisms like Input Undervoltage Lock-out, Reverse Voltage
& Current Blocking, Thermal Shutdown, Overcurrent and Short-
Circuit Protection
RDS(ON) of Embedded MOSFET at 30mΩ
Adjustable DV/DT Control at Start-Up
Fault Reporting (FAULTB) with Blanking Time at 7ms Typical
Fast Role Swap Supported
UL Recognized, File No. E322375
IEC60950-1 CB Scheme Certified
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
The DPS1133FIAQ is suitable for automotive applications
requiring specific change control; this part is AEC-Q100
qualified, PPAP capable, and manufactured in IATF 16949
certified facilities.
https://www.diodes.com/quality/product-definitions/
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and
Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
USB Type-C® and USB-C® are registered trademarks of USB Implementers Forum.
1 of 16
www.diodes.com
July 2020
© Diodes Incorporated
DPS1133FIAQ
Document number: DS40641 Rev. 2 - 2
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