AP25810LQ
USB TYPE-C DFP CONTROLLER AND POWER SWITCH WITH LOAD DETECTION
Description
Pin Assignments
®
The DIODES™ AP25810LQ device is a USB Type-C downstream-
facing port (DFP) controller with an integrated 3A rated USB power
switch. The AP25810LQ device monitors the USB Type-C
configuration channel (CC) lines to determine when a USB device is
attached. If an upstream-facing port (UFP) device is attached, the
AP25810LQ applies power to the VBUS and communicates the
selectable VBUS current-sourcing capability to the UFP via the pass-
through CC line. If the UFP is attached using an electronically marked
cable, the AP25810LQ also applies VCONN power to the cable CC pin.
The device also identifies when USB Type-C audio or debug
accessories are attached.
(Top View)
FAULT
IN1
1
2
3
4
5
6
16 DEBUG
15 OUT
14 OUT
13 CC2
12 GND
11 CC1
IN1
Thermal
Pad
IN2
AUX
EN
The AP25810LQ draws less than 0.7μA (typ.) when no device is
attached. Additional system power saving is achievable in the S4 and
S5 system power states by using the
output to disable the high-
UFP
W-QFN3040-20 (Type A1)
power 5V supply when no UFP is attached. In this mode, the device is
capable of running from an auxiliary supply (AUX), which can be a
lower-voltage supply (3.3V), typically powering the system μC in low-
power states (S4 and S5).
Features
USB Type-C Rev. 2.0 Compliant DFP Controller
Connector Attach or Detach Detection
STD, 1.5A or 3A Capability Advertisement on CC
Super-Speed Polarity Determination
The AP25810LQ 30mΩ power switch has two selectable fixed-current
limits that align with the Type-C current levels. The
output
FAULT
signals when the switch is in an overcurrent or overtemperature
condition. The output controls power management to multiple
VBUS Application and Discharge
LD_DET
VCONN Application to Electronically Marked Cable
Audio and Debug Accessory Identification
0.7μA (Typ.) IDDQ When Port Is Unattached
Three Input Supply Options
high-current Type-C ports in an environment where all ports cannot
simultaneously provide high current (3A).
The AP25810LQ is available in a standard Green W-QFN3040-20
(Type A1) package with exposed PAD for improved thermal
performance, and is RoHS-compliant.
.
.
.
IN1: USB Charging Supply
IN2: VCONN Supply
AUX: Device Power Supply
Power Wake Supports Low Power in System
Hibernate (S4) and OFF (S5) Power States
30mΩ (Typ) High-Side MOSFET
Applications
USB Type-C host ports in notebook computers for sleep
charging
Programmable 1.7A or 3.4A ILIM (±7.1%)
Port Power Management Enables Power
Resource Optimization Across Multiple Ports
Transient Protection for CC1/CC2 Lines:
LCD monitor/docking stations and charging cradles
USB Type-C wall chargers
.
.
IEC 61000-4-2 Contact Discharge ±8kV
IEC 61000-4-2 Air Gap Discharge ±15kV
Thermally Efficient Low-Profile Package
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
The AP25810LQ 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 25
www.diodes.com
October 2022
© 2022 Copyright Diodes Incorporated. All Rights Reserved.
AP25810LQ
Document number: DS42392 Rev. 3 - 2
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