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Equipment Setup
6.3
List of Test Points
Table 2. UCD3138OL40EVM-032 Test Point Functions
TEST POINTS
NAME
DESCRIPTION
TP1
UART J4-2
UART transmitting
TP2
UART J4-3
UART receiving
TP3
UART GND
DGND
TP4
J38-1
DGND
TP5
FLTR-DPWM2
DPWM2 front end connection
TP6
FLTR-DPWM3
DPWM3 front end connection
TP7
EAP2S
EAP2 before filter
TP8
FLTR-DPWM0
DPWM0 front end connection
TP9
FLTR-DPWM1
DPWM1 front end connection
TP10
+3.3V
3.3 V
TP11
J35-3
Logic analyzer pin 3
TP12
J35-1
Logic analyzer pin 1
TP13
J38-4
3.3 V to outside circuit
TP14
J35-4
Logic analyzer pin 4
TP15
J35-2
Logic analyzer pin 2
TP16
AGND
AGND
TP17
DGND
DGND
TP18
FFCS
Feed forward control selection
TP19
FFC_adj
Feed forward control adjustment
TP20
Q3 Gate
Ramp generator
TP21
Q3 and Q4 Drain
Ramp generator
TP22
Q4 gate
Ramp generator
J1
JTAG
J2, 5
LED D1 and D2 control
J3,6,9,10,42
PMBus
J4,16,17
UART, DB-9 female, RS232
J7, 8,11
EADC and DPWM
J12,13,18,20,21
ADC12
J14,15, 22, 23
DPWM
J19,41
Feed forward control
J24,25,26,27,30,31,36,3
UCD3138 pinout headers
7
J28,29,32
Faults connections
J33,34,38,39
Board bias power management
J35
Logic analyzer connector, not populated
J40
AGND strip
S1
UCD3138 reset, press to reset
17
SLUUA80 – January 2013
Using the UCD3138OL40EVM-032
Copyright © 2013, Texas Instruments Incorporated