Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. TQFN (ZH16) MSL1 Sn

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PI5USB2546Q

USB charging controller with integrated power switch 1 port for CDP and SDP Support

Datasheet

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Overview

Product Description

The PI5USB2546Q is a USB charging port controller and power switch with an integrated USB 2.0 high-speed data line (D+/D–) switch. PI5USB2546Q provides the electrical signatures on D+/D– to support charging schemes listed under device feature section. This series is compatible with both popular BC1.2 compliant and non-BC1.2 compliant devices.

System wake up (from S3) with a mouse/keyboard (both low speed and full speed) is fully supported in the PI5USB2546Q. Additionally, PI5USB2546Q supports two distinct power management features, namely, power wake and port power management (PPM) through /STATUS pin. Power wake allows for power supply control in S4/S5 charging and PPM manages port power in a multi-port application.

The PI5USB2546Q 73-mΩ power-distribution switch is intended for applications where heavy capacitive loads and short-circuits are likely to be encountered. Two programmable current thresholds provide flexibility for setting current limits and load detect thresholds.

Features

AEC-Q100 Qualified
Supports CDP/DCP Modes per USB Battery Charging Specification 1.2
Supports Shorted Mode per Chinese Telecommunication Industry Standard YD/T1591-2009
Supports non-BC1.2 Charging Modes by Automatic Selection
- Divider-1A mode
- Divider-2A mode
- DCP-1.2V mode
Supports Sleep-Mode Charging and Mouse/Keyboard Wake up
Automatic SDP/CDP Switching for Devices that do not request for the CDP Ports
Load Detection for Power Supply Control in S4/S5 Charging and Port Power Management in all Charge Modes
Compatible with USB 2.0/3.0 Power Switch requirements
Integrated 73-mΩ (Typ.) High-Side MOSFET
Adjustable Current-Limit up to 3A(Typ.)
Operating Range:4.5V to 5.5V
Max Device Current
- 2μA at Device Disabled
- 270μA at Device Enabled
Device Package: TQFN 3.0x3.0-16L
UL Listed and CB File No. E341484

Applications

Automotive
USB Ports (Host and Hubs)
Notebook and Desktop PCs
Universal Wall Charging Adapters

Specifications & Technical Documents

Product Parameters

Compliance (Only Automotive Supports PPAP)	Automotive
Configuration	1-Port
Differential Channels	N/A
HotInsertion	No
Lanes	1
OtherFeatures	Controller+ Power Switch, Charging and Data Transfer
Rail-to-Rail	Yes
Signal Type	N/A
Single Ended Channels	N/A
Type	USB Charger
Voltage	5

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Additional Technical Documents are available upon request:
Application information, Evaluation board, and Other technical documents

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Purchase & Availability

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN #	Issue Date	Implementation Date	Subject
PCN-2770	2025-10-30	2025-10-30	Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products
PCN-2586	2022-06-08	2022-09-08	Qualified Additional Wafer Fab Backend IMD Material and Process - Automotive