Quote:
Originally Posted by jackbauer
Is there a schematic / bom available for the board?
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From the Powerex BG2a application text
Component Selection:
Designation Typical Value Description Example: Mfg./PN
D1,D2,D3,D4 0.5 A, 1000V VCE detection diode – ultra fast recovery ON Semi/MUR1100E
DZ2, DZ3, DZ5, DZ6 16V, 1W Gate Voltage Surge Protection 1N4745
DZ1, DZ4 30V, 1W Detect input pin surge voltage protection 1N4751
C1, C2, C3. C5, C6 1000 μF, 35V Power supply filter – Electrolytic, low Impedance Panasonic EEU-FC1V102S
CS 0-1000 pF Adj. soft shutdown – Multilayer ceramic or film** EPCOS B37979---------
CT 0-200 pF Adj. trip time - Multilayer ceramic or film** EPCOS B37979---------
R1, R4 4.7kΩ, 0.25W Fault sink current limiting resistor
R2, R5 3.3kΩ, 0.25W Fault signal noise suppression resistor
R3 4.7KΩ, 0.25W Fault feedback pull-up resistor
OP1, OP2 NEC PS2501 Opto-coupler for fault signal isolation NEC/ PS2501
CN1, CN2, CN3 MTA .100” Input and gate drive connectors* AMP 641216-6
* Remove the three unused pins on CN2 and CN3 to maintain appropriate high voltage spacing.
Recommended mating connector AMP CST-100 Housing P/N 770602-6 with crimp contact 770666-2.
** CS, CT are only required in certain special applications.