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TPD4S014EVM Fiches technique(PDF) 2 Page - Texas Instruments |
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TPD4S014EVM Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 5 page Bill of Materials (BOM) www.ti.com TPD4S014. The TOP section has a switch to toggle the polarity of the EN signal. There are labels indicating the HI and LO positions on the switch. There are also test points that can be used to determine the logic level of EN and ACK signals. The TOP section also has an LED that indicates a fault condition. Please note that the LED lights up when the ACK signal is at logic LO. The TOP section is intended to illustrate the functionality of the device without any additional test equipment. The BOTTOM section consists of the SMB connectors. The connectors are connected to VBUS, VCC, D+, D – and ID pins. There is a test point for the ACK signal. The EN signal on the bottom section is tied to ground i.e. the device is always enabled. The BOTTOM section is indented to be used to measure the performance of the device such as ESD performance, Bandwidth and capacitance measurements, timing characteristics etc. Setup Procedure 1. Connect a 1.8V – 3.3V power supply between the Vin and GNC connectors of the board. The fault indication LED should light up when this power is applied. 2. Connect a USB cable to the Input connector (left) of board. Connect a variable power supply to the VBUS line on the other end of the cable. Set the Voltage on the power supply to <2V. 3. Connect another USB cable to the output connector (right) of the board. Connect a variable load to the VBUS line on the other end of the cable. Set the load to >25 ohms. 4. Slowly increase the Voltage on the input. The LED should turn OFF when the Voltage crossed 3V. 5. Continue to increase the voltage past 6V. When the voltage crosses 6V the LED should turn ON again indicating a fault (condition). 1 Bill of Materials (BOM) Count RefDes Value Description Size Part Number MFR 4 C2, C3, C4, 10uF Capacitor, Ceramic, 10 µF, 6.3V, 10% 0805 Std Std C5 1 C1 10uF Capacitor, Ceramic, 10 µF, 6.3V, 10% 0805 Std Std 1 R1 1k Ω Resistor, Chip, 1 k Ω, 1/8W, 5% 0603 Std Std 1 R2 10k Ω Resistor, Chip, 10 k Ω, 1/8W, 5% 0603 Std Std 1 D1 LED DOME 645NM RD DFF AXL LO CUR 2.08mm x 2.21mm (axial, Flat HLMP-Q150 Avago lead) 1 S1 SPDT switch 12V , 100 mA, 70 m Ω 8.85mm x 3mm CSS-1210TB Copal Electronics ON-resistance 8 TP_C_ACK, Test Point Test Point 5011 Series 63 mil in diameter 5011 Keystone Electronics TP_B_ACK, TP_C_EN 2 U1, U2 IC, 10-pin DSQ package 2mm x 2mm TPD4S014 Texas Instruments 8 SMA1 to Sidemount SMB conn. For 0.062 board width 131-3701-801 Emerson Network Power SMA8 Connectivity Solutions 2 J1,J2 -- USB Right Angle Recpt. Type A 292303-1 Tyco electronics 2 TPD4S014 EVM SLVU471 – June 2011 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated |
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