New Suggestions
· Replace inrush current limiting (ICL) circuit with the one on UV cutoff.
o Simpler, cheaper
· Reduce number of fans
· High voltage interlock loop
o Requires changes to all other HV boards (MCI, DC-DC, solar)
o Not priority considering time constrains
Major ICs
· Buck Converter (12V to 5V)
IC REG BUCK 4.5V TO 17V, 5A, SYNCHRONOUS STEISOSPI COMM
TPS565201DDCT
Not in Stock on Digikey– Needs Replacement?
Replacements:
· IC ISOSPI COMM INTERFACE LTC6820IMS#3ZZPBF (ISO_SPI_Interface)
Isolated Communications Interface 16-MSOP
Not in Stock on Digikey– Needs Replacement?
Replacements:
· IC PULSE XFMR 1CT:1CT 350UH SMD (ISO_SPI_Interface)
PT61018AAPEL-S
· IC HSD Dual-Channel 40V 1KOhm (high side driver to kill switch)
TPS2H000-Q1
Not in Stock on Digikey– Needs Replacement?
Replacements:
· MCP23008T-E/SS (Firmware Contactor Control)
IC I/O EXPANDER I2C 8B 20SSOP
Not in Stock on Digikey– Needs Replacement?
Replacements:
· IC REMOTE THERMAL CTLR 24QSOP (Fan Controller)