# Chip Shortage: Parts Interchange

todo organize these notes better

## Proteus

[Proteus Stock issues - Forum](https://rusefi.com/forum/viewtopic.php?p=41539#p41539)

Highside BTS4175SGA: BSP762/ISP762, ISP752T

BM2LC105FJ-C BM2LC120FJ are replacement for VNLD5160

MCP6004T-I/ST: MCP6004T-E/ST

### Proteus MCU options

Requirements:

- LQFP144
- 1MB flash (but 2MB works as well)
- STM32F4: Known working is any F427/F429.  256KB RAM required. 1MB or 2MB acceptable.
- STM32F7: Known working is F767. 1MB or 2MB acceptable.

## Hellen

See also [Hellen JLC fabrication component substitution options](https://github.com/andreika-git/hellen-one/wiki/JLC-fabrication-component-substitution-options)

any f405xG should work

G = 1MB

[https://github.com/andreika-git/hellen-one/labels/CHIP-SHORTAGE](https://github.com/andreika-git/hellen-one/labels/CHIP-SHORTAGE)

todo:
shall we try TLE82092 one day?