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TPS2541RTET Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2541RTET Datasheet(HTML) 1 Page - Texas Instruments |
1 / 40 page 15 16 1 2 IN DM_OUT 3 4 DP_OUT ILIM_SEL 13 14 6 5 8 12 11 10 9 DM_IN DP_IN N/C OUT Exposed Thermal Die TPS2540/40A/41/41A RTE Package (Top View) 7 1 IN 0.1 mF 13 FAULT RFAULT 10 kW FAULT Signal 4.5 V to 5.5 V 4 ILIM_SEL ILIM Select 6 CTL1 5 EN/DSC 7 CTL2 8 CTL3 10 11 2 3 DP_IN DM_IN DM_OUT DP_OUT 12 OUT 16 ILIM0 15 ILIM1 14 GND 2x RILIM TPS2540/40A/41/41A Power Switch EN Mode Select I/O Mode Select I/O Mode Select I/O To Host Controller UDG-10116 VBUS D- D+ GND CUSB To Peripheral To System Bus TPS2540, TPS2540A TPS2541, TPS2541A www.ti.com SLVSAG2C – OCTOBER 2010 – REVISED OCTOBER 2011 USB Charging Port Power Switch and Controller Check for Samples: TPS2540, TPS2540A, TPS2541, TPS2541A 1 FEATURES DESCRIPTION The TPS2540/40A and TPS2541/41A are a 2 • Meets Battery Charging Specification BC1.2 combination of current-limited USB port power switch for DCP and CDP with a USB 2.0 high-speed data line (D+/D-) switch • Meets Chinese Telecommunications Industry and a USB charging port identification circuit. Standard YD/T 1591-2009 Applications include notebook PCs and other intelligent USB host devices. The wide bandwidth (2.6 • Supports Sleep-Mode Charging for Most GHz) data-line switch also features low capacitance Available Apple® Devices and/or BC1.2 and low on resistance, allowing signals to pass with Compliant Devices minimum edge and phase distortion. The • Compatible With USB 2.0 and 3.0 Power TPS2540/40A/41/41A monitors D+ and D-, providing Switch Requirements the correct hand-shaking protocol with compliant • 2.6-GHz Bandwidth USB 2.0 Data Switch client devices. • 73-m Ω (typ.) High-Side MOSFET The TPS2540/40A/41/41A supports the following charging logic schemes: • Adjustable Current Limit up to 2.8 A (typical) • USB 2.0 BC1.2 • OUT Discharge Through CTLx=000 (TPS2540/40A) or DSC (TPS2541/41A) Input • Chinese Telecom Standard YD/T 1591-2009 • Divider Mode, compliant with Apple devices such • Longer Detach Detection Time (TPS2540A/41A) as iPod® and iPhone® Supporting Additional Legacy Devices • Available in 16-Pin QFN Package CTL1-CTL3 logic inputs are used to select one of the various charge modes provided by the TPS2540/40A and TPS2541/41A. These charge modes allow the APPLICATIONS host device to actively select between Dedicated • USB Ports/Hubs Charging Port (DCP) (wall-adapter emulation), • Notebook PCs Charging Downstream Port (CDP) (active USB 2.0 data communications with 1.5-A support), or • Universal Wall Charging Adapter Standard Downstream Port (SDP) USB 2.0 Mode (active USB 2.0 data communications with 500-mA support). The TPS2540/40A/41/41A also integrates an auto-detect feature that supports both DCP schemes for Battery Charging Specification (BC1.2) and the Divider Mode without the need for outside user interaction. TPS2540/40A/41/41A RTE Package and Typical Application Diagram 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 Apple, iPod, iPhone are registered trademarks of Apple Inc. PRODUCTION DATA information is current as of publication date. Copyright © 2010–2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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