Texas Instruments UCC20520EVM286, User Manual

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s
Power
Supply #1
(5V/0.05A)
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s
Power
Supply #2
(12V/0.1A)
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s
DMM #2
DC Current
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DMM #1
DC Current
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s
Power
Supply #2
(12V/0.1A)
CH1 CH2
EVM
Function
Generator
Oscilloscope
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Test Summary
9 SLUUBG8B – June 2016 – Revised November 2018
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Using the UCC21520EVM-286, UCC20520EVM-286, UCC21521CEVM-286,
and UCC21530EVM-286
5.3.6 Bench Setup Diagram
The current bench setup diagram includes the function generator and oscilloscope connections.
Follow the connection procedure below and use Figure 2 as a reference:
• Make sure all the output of the function generator, voltage source are disabled before connection;
• Function generator channel-A channel applied on JINA ←→ TP14 as seen in Figure 2 ;
• Function generator channel-B channel applied on JINB ←→ TP15 as seen in Figure 2 . For the
UCC20520EVM, JINB, J-INB and TP15 are not installed because the UCC20520 is a single PWM
input, dual-channel output Iso-Driver;
• Power supply #1: positive node applied on J1 pin-1 (or TP0), and negative node applied on J1 pin-2
(or TP13);
• Power supply #2: positive node connected to input of DMM #1 and DMM #1 output connected to J2
pin-3 (or TP10), negative node connected directly to J2 pin-1 (or TP17);
• Power supply #3: positive node connected to input of DMM #2 and DMM #2 output connected to J3
pin-3 (or TP 11), negative node connected directly to J3 pin-1 (or TP19);
• Oscilloscope channel-A probes TP9 ←→ TP17, smaller measurement loop is preferred;
• Oscilloscope channel-B probes TP12 ←→ TP19, smaller measurement loop is preferred;
Figure 2. Bench Setup Diagram and Configuration