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TPS2540RTET

更新时间： 2024-11-05 13:14:51
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德州仪器 - TI 开关电源开关控制器
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TPS2540RTET 数据手册

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TPS2540  
TPS2541  
www.ti.com  
SLVSAG2 –OCTOBER 2010  
USB Charging Port Power Switch and Controller  
Check for Samples: TPS2540 , TPS2541  
1
FEATURES  
DESCRIPTION  
2
•
•
•
Meets Battery Charging Specification BC1.2  
(draft) for DCP and CDP  
The TPS2540 and TPS2541 are a combination of  
current-limited USB port power switch with a USB 2.0  
high-speed data line (D+/D-) switch and a USB  
charging port identification circuit. Applications  
include notebook PCs and other intelligent USB host  
devices. The wide bandwidth (2.6 GHz) data-line  
switch also features low capacitance and low on  
resistance, allowing signals to pass with minimum  
edge and phase distortion. The TPS2540/41 monitors  
D+ and D-, providing the correct hand-shaking  
protocol with compliant client devices.  
Meets Chinese Telecommunications Industry  
Standard YD/T 1591-2009  
Supports Sleep-Mode Charging for Most  
Available Apple® Devices and/or BC1.2 (draft)  
Compliant Devices  
•
Compatible With USB 2.0 and 3.0 Power  
Switch Requirements  
•
•
•
•
2.6-GHz Bandwidth USB 2.0 Data Switch  
73-mΩ (typ.) High-Side MOSFET  
The TPS2540/41 supports the following charging  
logic schemes:  
Adjustable Current Limit up to 2.8 A (typical)  
•
•
•
USB 2.0 BC1.2 (draft)  
Chinese Telecom Standard YD/T 1591-2009  
Divider Mode, compliant with Apple devices such  
as iPod® and iPhone®  
OUT Discharge Through CTLx=000 (TPS2540)  
or DSC (TPS2541) Input  
•
Available in 16-Pin QFN Package  
CTL1-CTL3 logic inputs are used to select one of the  
various charge modes provided by the TPS2540 and  
TPS2541. These charge modes allow the host device  
to actively select between Dedicated Charging Port  
APPLICATIONS  
•
•
•
USB Ports/Hubs  
Notebook PCs  
Universal Wall Charging Adapter  
(DCP)  
(wall-adapter  
emulation),  
Charging  
Downstream Port (CDP) (active USB 2.0 data  
communications with 1.5-A support), or Standard  
Downstream Port (SDP) USB 2.0 Mode (active USB  
2.0 data communications with 500-mA support). The  
TPS2540/41 also integrates an auto-detect feature  
that supports both DCP schemes for Battery  
Charging Specification (BC1.2 (draft)) and the Divider  
Mode without the need for outside user interaction.  
TPS2540/41 RTE Package and Typical Application Diagram  
TPS2540/41  
RTE Package  
(Top View)  
To System Bus  
To Peripheral  
4.5 V to 5.5 V  
FAULT Signal  
1
IN  
OUT 12  
ILIM0 16  
ILIM1 15  
CUSB  
VBUS  
D-  
D+  
TPS2540  
0.1 mF  
RFAULT  
10 kW  
16  
15  
14  
13  
GND  
2x  
RILIM  
1
2
3
4
IN  
DM_OUT  
DP_OUT  
ILIM_SEL  
12 OUT  
11  
10 DP_IN  
13 FAULT  
DM_IN  
GND 14  
Exposed  
Thermal Die  
ILIM Select  
4
5
6
7
8
ILIM_SEL  
Power Switch EN  
Mode Select I/O  
Mode Select I/O  
Mode Select I/O  
EN  
DM_IN 11  
DP_IN 10  
9
N/C  
CTL1  
CTL2  
CTL3  
5
6
7
8
DM_OUT  
DP_OUT  
2
3
To Host Controller  
UDG-10116  
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.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2010, Texas Instruments Incorporated  
1234567...37

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TPS2540RTET 替代型号

型号 品牌 替代类型 描述 数据表
TPS2540RTER TI

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