Digital PFC Description
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Table 5. J3 and J4 Pin Assignment (continued)
UCD3138 CONTROL
HEADER PIN NUMBER DESCRIPTION
CARD PIN NAME
J4-06 AD_01 IPM
J4-07 AGND Analog ground GND2
J4-08 AD_02 PFC input current sense
J4-09 AGND Analog ground GND2
J4-10 AD_03 PFC BUS voltage sense
J4-11 AGND Analog ground GND2
J4-12 AD_04 PFC MOSFET Q3 current sense
J4-13 AGND Analog ground GND2
J4-14 AD_05 Not used
J4-15 AGND Analog ground GND2
J4-16 AD_06 PFC BUS voltage sense(for OVP)
J4-17 AGND Analog ground GND2
J4-18 AD_07 PFC Vin line voltage sense
J4-19 AGND Analog ground GND2
J4-20 AD_08 PFC Vin neutral voltage sense
J4-21 AGND Analog ground GND2
J4-22 AD_09 Not used
J4-23 AGND Analog ground GND2
J4-24 AD_10 Not used
J4-25 AGND Analog ground GND2
J4-26 AD_11 Not used
J4-27 AGND Analog ground GND2
J4-28 AD_12 Not used
J4-29 AGND Analog ground GND2
J4-30 AD_13 PFC MOSFET Q4 current sense
J4-31 AGND Analog ground GND2
J4-32 Not used Not used
J4-33 Not used Not used
J4-34 Not used Not used
J4-35 EAN2 Analog ground GND2
J4-36 EAP2 PFC MOSFET Q4 current sense
J4-37 EAN1 Analog ground GND2
J4-38 EAP1 PFC MOSFET Q3 current sense
J4-39 EAN0 Analog ground GND2
J4-40 EAP0 PFC Input current sense
36
Digitally Controlled Single-Phase PFC Pre-Regulator SLUU885B–March 2012–Revised July 2012
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