Using the TPS2511EVM-141 User's Guide Literature Number: SLUU945 June 2012
User's Guide SLUU945 – June 2012 TPS2511EVM-141 USB Dedicated Charging Port Controller and Power Switch Evaluation Module 1 Introduction This user’s guide describes the evaluation module (EVM) for the TPS2511. TPS2511 is a USB dedicated charging port controller and current limiting power switch. 2 Description The TPS2511EVM allows reference circuit evaluation of the TI TPS2511 USB dedicated charging port controller and current limiting power switch. 2.1 Features • • • • • • • • • 2.
EVM Block Diagram www.ti.com 3 EVM Block Diagram Sense VBUS +5 V D- Power Supply TPS2511 D+ GND USB-A GND Feedback EN Switch Figure 1. TPS2511EVM-141 EVM Block Diagram 4 Glossary of Terms • • • • Charging Downstream Port (CDP) – A downstream port that complies with the USB 2.0 definition of a host or a hub and additionally defines a handshake on DP and DM to identify a BC 1.1 compliant host to a BC 1.1 compliant portable device. – BC 1.
10 to 20 Volts 2A J2 2 1 2.2uF 2.2uF TP9 GND C6 C7 TP10 TP11 GND 0.1uF C2 VIN 30.1k R9 124k R8 0.1uF C11 1 VIN BOOT PH 10 GND 9 COMP 8 90.9k R10 11 820pF C9 TP13 PWRGD VSNS 7 5 RT/CLK PWRGD 6 3 EN 4 SS/TR 2 U2 TPS54240DGQ 0.1uF C5 PWPD 3300pF C8 R7 16.5k B360-13-F D3 1 L1 3.3 uH 1 2 C3 Not Installed 47uF IN R2 20k 100k R4 5.
Physical Access www.ti.com 6 Physical Access Table 1 defines the TPS2511EVM-141 connector functionality, Table 2 defines the test point availability and Table 3 describes the jumper functionality. Table 1. Connector Functionality CONNECTOR FUNCTIONALITY J2 10-V to 20-V, power-input polarity screened on EVM J1 USB power output connector Table 2.
Switches 7 www.ti.com Switches Switch S1 enables and disables the TPS2511 controller. The switch positions are screened on the PC board. 8 Test Setup The starting setup for the EVM is shown in Figure 3. TPS2511EVM-141 10-V to 20-V Power Supply J2 + - J1 USB Portable Device Figure 3. Test Setup Set the input voltage power supply to 12 V, ±0.1 V and the current limit to 3 A. Turn off the power supply.
EVM Assembly Drawings and PCB Layout www.ti.com 9 EVM Assembly Drawings and PCB Layout Figure 4. TPS2511EVM-141 Layer 1 Figure 5.
EVM Assembly Drawings and PCB Layout www.ti.com Figure 6. TPS2511EVM-141 Layer 3 Figure 7.
EVM Assembly Drawings and PCB Layout www.ti.com Figure 8.
List of Materials 10 www.ti.com List of Materials Table 4. TPS2511EVM-141 List of Materials COUNT 10 REF DES DESCRIPTION PART NUMBER MFR 1 C1 Capacitor, ceramic chip, 10 V, X7R, ±10%, 22 µF, 1210 Std STD 4 C2 C4-5 C11 Capacitor, ceramic, 35 V, X7R, 10%, 0.1 µF, 0603 STD STD 2 C3 C10 Capacitor, ceramic chip, 10 V, ,X5R, ±10%, 47 µF, 1210 Std STD 2 C7 C6 Capacitor, ceramic chip, 100 V, X7R, ±10%, 2.
Evaluation Board/Kit Important Notice Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards.
EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions: The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims arising from the handling or use of the goods.
FCC Interference Statement for Class B EVM devices This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
【Important Notice for Users of this Product in Japan】 】 This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product: 1. 2. 3. Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.
EVALUATION BOARD/KIT/MODULE (EVM) WARNINGS, RESTRICTIONS AND DISCLAIMERS For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished electrical equipment and not intended for consumer use.
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
