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TPS2546 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS2546 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 43 page OUT GND FAULT ILIM_LO EN R ILIM_LO RSTATUS (10 kW) Power Switch EN 4.5V – 5.5V TPS2546-Q1 0.1 mF CUSB Fault Signal DM_IN DP_IN VBUS D- D+ GND USB Connector To Portable Device à Power Bus CTL1 CTL2 CTL3 ILIM_SEL ILIM Select DM_OUT DP_OUT To Host Controller à Mode Select I/O IN STATUS STATUS Signal R ILIM_HI ILIM_HI RFAULT (10 kW) Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TPS2546-Q1 SLVSCA1B – OCTOBER 2013 – REVISED AUGUST 2016 TPS2546-Q1 USB-Charging Port Controller and Power Switch With Load Detection 1 1 Features 1 • AEC-Q100 Qualified – Device HBM ESD Classification Level H2 – Device CDM ESD Classification Level C5 • Operating Range: 4.5 V to 5.5 V • D+/D– CDP/DCP Modes per USB Battery Charging Specification 1.2 • D+/D– Shorted Mode per Chinese Telecommunication Industry Standard YD/T 1591-2009 • Supports Non-BC1.2 Charging Modes by Automatic Selection: – D+/D– Divider Modes 2 V/2.7 V and 2.7 V/2 V – D+/D– 1.2-V Mode • Supports Sleep-Mode Charging and Mouse/Keyboard Wakeup • Automatic SDP/CDP Switching for Devices That Do Not Connect to 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 and 3.0 Power Switch Requirements • I73-mΩ (Typical) High-Side MOSFET • Adjustable Current-Limit up to 3 A (Typical) • Operating Range: 4.5 V to 5.5 V • Max Device Current: – 2 µA When Device Disabled – 270 µA When Device Enabled • Drop-In and BOM Compatible With TPS2543 • Available in 16-Pin WQFN (3.00 mm × 3.00 mm) Package 2 Applications • Automotive • USB Ports (Host and Hubs) • Notebook and Desktop PCs • Universal Wall-Charging Adapters 3 Description The TPS2546-Q1 is a USB charging port controller and power switch with an integrated USB 2.0 high- speed data line (D+/D–) switch. TPS2546-Q1 provides the electrical signatures on D+/D– to support charging schemes listed under Feature Description. TI tests charging of popular mobile phones, tablets, and media devices with the TPS2546 to ensure compatibility with both BC1.2 compliant, and non- BC1.2 compliant devices. In addition to charging popular devices, the TPS2546- Q1 also supports two distinct power management features, namely, power wake and port power management (PPM) through the STATUS pin. Power wake allows for power supply control in S4/S5 charging and PPM the ability to manage port power in a multi-port application. Additionally, system wake up (from S3) with a mouse/keyboard (both low speed and full speed) is fully supported in the TPS2546-Q1. The TPS2546-Q1 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. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS2546-Q1 WQFN (16) 3.00 mm × 3.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic |
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