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TPS2511

更新时间： 2024-11-19 11:58:27
品牌 Logo 应用领域
德州仪器 - TI 开关电源开关控制器
页数 文件大小 规格书
26页 898K
描述
USB Dedicated Charging Port Controller and Current Limiting Power Switch

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TPS2511 数据手册

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TPS2511  
www.ti.com  
SLUSB18 –JUNE 2012  
USB Dedicated Charging Port Controller and Current Limiting Power Switch  
Check for Samples: TPS2511  
1
FEATURES  
DESCRIPTION  
The TPS2511 is a USB dedicated charging port  
(DCP) controller and current limiting power switch. An  
auto-detect feature monitors USB data line voltage,  
and automatically provides the correct electrical  
signatures on the data lines to charge compliant  
devices among the following dedicated charging  
schemes:  
•
Supports a USB DCP Shorting D+ Line to D–  
Line  
•
Supports a USB DCP Applying 2.0 V on D+  
Line and 2.7 V on D– Line (or a USB DCP  
Applying 2.7 V on D+ Line and 2.0 V on D–  
Line)  
•
Divider DCP, required to apply 2.7 V and 2.0 V on  
the D+ and D– lines respectively or 2.0 V and 2.7  
V on the D+ and D– lines respectively  
BC1.2 DCP, required to short the D+ Line to the  
D– Line  
•
•
•
Supports a USB DCP Applying 1.2 V on D+  
and D– Lines  
Automatically Switch D+ and D– Lines  
Connections for an Attached Device  
•
•
Hiccup Mode for Output Short-Circuit  
Protection  
1.2 V on both D+ and D– Lines  
The TPS2511 is a 70-mΩ power-distribution switch  
intended for applications where heavy capacitive  
loads and short-circuits are likely to be encountered.  
This device also provides hiccup mode when the  
output (OUT) voltage is less than 3.80 V (typ) or  
when an over temperature protection occurs during  
an overload condition. Accurate and programmable  
current limit provides flexibility and convenience for  
applications. The TPS2511 provides a CS pin for  
USB cable resistance compensation and an EN pin to  
control the device turn on and turn off.  
•
•
•
•
•
Provides CS Pin for USB Cable Compensation  
Programmable Current Limit (ILIM_SET Pin)  
Accurate ±10% Current-Limit at 2.3 A (typ)  
70 mΩ (typ) High-Side MOSFET  
Compatible with USB 2.0 and 3.0 Power Switch  
Requirements  
•
•
Operating Range: 4.5 V to 5.5 V  
Available in MSOP, 8-Pin Package  
APPLICATIONS  
•
•
•
Vehicle USB Power Charger  
AC-DC Wall Adapter with USB Port  
Other USB Charger  
SIMPLIFIED APPLICATION  
5.0 VOUT  
5.0 V  
TPS2511  
VBUS  
1
2
3
4
GND  
ILIM_SET  
IN  
OUT  
DM  
DP  
8
7
6
5
AC-to-DC Converter  
or  
COUT  
D−  
D+  
Buck DC-to-DC  
Converter  
GND  
FB  
CS  
EN  
CUSB  
PAD  
RILIM  
GND  
Power Supply  
UDG-12095  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2012, 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.  
1234567...26

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TPS2511 替代型号

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