PI5USB2549 (Obsolete)

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