Using the UCC28711EVM-160 User's Guide Literature Number: SLUUA12 November 2012
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User's Guide SLUUA12 – November 2012 Using the UCC28711EVM-160 5-W USB Adapter 1 Description The UCC28711EVM-160 is a 5-W evaluation module for evaluating an off-line adapter for USB applications. It is intended for evaluation purposes and is not intended to be an end product. The UCC28711EVM-160 converts 100-V to 240-V RMS input voltage down to 5-V DC, with a 1-A current limit for USB adapter applications. Figure 1.
Electrical Performance Specifications 2 www.ti.com Electrical Performance Specifications Table 1. UCC28711EVM-160 Electrical Performance Specifications SYMBOL PARAMETER TEST CONDITION MIN TYP MAX UNITS Input Characteristics VIN Input voltage No load input power (115-V and 230-V RMS input) 100 115/23 0 VIN = nom, IOUT = 0 A 240 V 10 mW Output Characteristics VOUT Output voltage VIN = nom, IOUT = nom Line regulation VIN = min to max, IOUT = nom 4.75 5 5.
SLUUA12 – November 2012 Submit Documentation Feedback Neutral Line J2 1 3 2 R9 TP4 10 ohm Fusible Resistor TP3 VIN = 90V to 256V RMS HD06 D5 + 4.7 uF C6 470 uH L1 649 + 4.7 uF C7 SMBJP6KE82A D3 R6 10 R8 1.96 D4 7 9 R11 27.4k R5 82.5k RS1B-13-F 2 5 1 4 3 Note: No Value Means Not Populated R7 10.0k STD2HNK70Z-1 Q1 MURS160-13-F D1 330nF C5 R4 22.
Test Setup 4 www.ti.com Test Setup Safety: This evaluation module is not encapsulated and there are voltages that are much greater than 50 V DC. NOTE: If you are not trained in the proper safety of handling and testing power electronics please do not test this evaluation module. Voltage Source: Isolated AC source or variable AC transformer capable of 265-V AC cable of handling 10 W. Voltmeter: Two digital voltage meter.
List of Test Points www.ti.com 5 List of Test Points Table 2. Test Point Function TEST POINTS NAME DESCRIPTION TP3 AC line TP4 AC neutral Kelvin connection for AC line TP1 VOUT + Kelvin connection for VOUT + TP2 VOUT - Kelvin connection for VOUT - Kelvin connection for AC neutral 6 Performance Data and Typical Characteristic Curves 6.
Performance Data and Typical Characteristic Curves 6.2 Startup at 115 V Figure 5. No Load 6.3 Figure 6. 5-Ω Load Startup at 230 V Figure 7. No Load 8 www.ti.com Using the UCC28711EVM-160 5-W USB Adapter Copyright © 2012, Texas Instruments Incorporated Figure 8.
Performance Data and Typical Characteristic Curves www.ti.com 6.4 6.5 Load Transient at 115 V RMS Figure 9. 0.1-A to 0.6-A Load Step 6.5 Figure 10. 0.6-A to 0.1-A Load Step Load Transient at 230 V RMS Figure 11. 0.1-A to 0.6-A Load Step SLUUA12 – November 2012 Submit Documentation Feedback Figure 12. 0.6-A to 0.
Performance Data and Typical Characteristic Curves 6.6 www.ti.com Output Ripple Voltage at Full Load • • CH4 = VOUT at EVM output. CH2 = VOUT measure at the end of the 3 M of cable in parallel with a 1-µF capacitor. The output voltage has less than 50 mV of output ripple at the end of the cable. Figure 13.
EVM Assembly Drawing and PCB Layout www.ti.com 7 EVM Assembly Drawing and PCB Layout Figure 14. Top Assembly Drawing Figure 15.
EVM Assembly Drawing and PCB Layout www.ti.com Figure 16. Bottom Assembly Drawing Figure 17.
List of Materials www.ti.com 8 List of Materials The EVM components list according to the schematic shown in Figure 2. Table 3.
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.
