Power Daughter Card Connector (Con16) - Wolfspeed SPEEDVAL KIT HALF-BRIDGE MOD-MB-HB-0900V-40A User Manual

All gate driver cards will have two 4-pin connectors for the isolated gate output connections. One
connector is for the high-side device and one is for the low-side. Using two pins per signal helps
to reduce the inductance in the connection and provides redundancy.
Some gate driver cards have two additional 2-pin connectors for a Miller clamp signal as shown in
Table 5.
Pin
1
2

3.2. POWER DAUGHTER CARD CONNECTOR (CON16)

Figure 5 shows the pinout for the 164-pin edge card connector between the motherboard and
power daughter card. The red pins are +BUS, the blue pins are -BUS, and the yellow pins are the
switch node. The remaining pins are for the gate drive circuits, Miller clamp, temperature
feedback and current sensing. The dark grey areas are pins that are unused in order to provide
adequate voltage spacing between nets at different potentials.
PRD-06829 REV. 1, December 2022
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SpeedVal Kit™ and Wolfspeed logo is a trademark of Wolfspeed, Inc. Other trademarks, product and company names
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sponsorship or association.
Pin High Side (J4)
1 0VB (source)
2 HS_Gate
3 0VB (source)
4 HS_Gate
T 4: G
ABLE ATE
High Side (J7)
Miller_Clamp_Gate_HS
Miller_Clamp_VSS_HS
T 5: M C
ABLE ILLER
F 5: P F 164-P
IGURE INOUT OR
SpeedVal Kit™ Half-Bridge User Guide
Low Side (J8)
0VA (source)
LS_Gate
0VA (source)
LS_Gate
C
ONNECTIONS
Low Side (J8)
Miller_Clamp_Gate_LS
Miller_Clamp_VSS_LS
C
LAMP ONNECTIONS
C C
IN ARD ONNECTOR
14