Diodes Incorporated
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PI5USB2549 (Obsolete)

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Product Description

The PI5USB2549 is a USB charging port controller and current limiting power switch. PI5USB2549 provides the electrical signatures on D+/D– to support different charging schemes and is compatible with both popular BC1.2 compliant and non-BC1.2 compliant devices. The PI5USB2549 65-mΩ power-distribution switch is intended for applications where heavy capacitive loads and short-circuits are likely to be encountered. Programmable current threshold provides flexibility for setting current limit. PI5USB2549 provides a /STATUS pin for plug-in detect indication.

Features

  • Supports 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
    • Divider-2.4A mode (with MODE_SEL=’HIGH’ only)
    • DCP-1.2V mode
  • Integrated 65-mΩ (Typ.) High-Side MOSFET
  • Programmable Current Limit up to 3A (Typ.)
  • Accurate +/-7% Current Limit at 2.51A (Typ.)
  • Provides /STATUS Pin for Plug-In Detection
  • Operating Range:4.5V to 5.5V
  • Device Package: EP-SOP8L

Applications

  • Vehicle USB Power Charger
  • AC-DC Wall Adapter with USB Port
  • Other USB Charger

Product Specifications

Product Parameters

Analog or Digital? Mixed Signal
Configuration 1-Port
Differential Channels N/A
HotInsertion 0
Lanes N/A
OtherFeatures Controller+ Power Switch, Charging and Data Transfer
RailToRail 0
Signal Type N/A
Single Ended Channels N/A
Type N/A
Voltage 5

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TN1.pdf

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