Texas Instruments UCC28C56EVM-066, Руководство пользователя, Страница: 8 / 36

4.3 EVM Test Points
Table 4-1 describes the various EVM test points, allowing easy access for connecting oscilloscope probes, DVM
test leads and wire connections to lab test equipment.
Table 4-1. Input, Output, Test Point (I/O/TP) Description
PIN I/O/TP COLOR
DESCRIPTION
MIN TYP MAX
J1 - Green GND - 0 V -
J2 I Green VIN+ 40 V 800 V 1000 V
J3 - Green ISO_GND - 0 V -
J4 O Green VOUT+ (depends on load) 14.5 V 15.5 V 20 V
VDD TP White Analog controller bias supply - 18.6 V -
VREF TP White Controller reference output 4.9 V 5 V 5.1 V
COMP TP White Error amplifier output 0 V - 5 V
VFB TP White Inverting input to the error amplifier 2.45 V 2.5 V 2.55 V
RT/CT TP White Fixed frequency triangle oscillator 0.9 V
TYP
1.4 V
PP
2.3 V
PP
VIN TP Red Input voltage 40 V - 1000 V
V_AUXL TP White AUX voltage after a 10 ohm series resistor - 18.7 V -
V_AUX TP White AUX output voltage - 18.7 V -
VG TP White Voltage at the gate of the SiC MOSFET 0 V 18 V -
SWN TP Silver Switching node (bottom of the PCB) 0 V - V
IN
+ 480 V
VO TP Yellow Output voltage 14.5 V 15.5 V 20 V
GND x5 TP Black GND - 0 V -
ISO_GND x2 TP Black Isolated GND - 0 V -
EVM Setup and Operation www.ti.com
8 Using the UCC28C56EVM-066 High-Density 40-W Auxiliary Power Supply for
800-V Traction Inverters SLUUCN1C – JUNE 2022 – REVISED DECEMBER 2022
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