Hello Angus,
The BQ25040EVM has a pulse generating circuit you can refer to: https://media.digikey.com/pdf/Data%20Sheets/Texas%20Instruments%20PDFs/BQ25040EVM_UG,4-2009.pdf
Is there a reason you have chosen this device? I would suggest looking at BQ25170…
Adam,
You only need to order either the BQ24090EVM or the BQ25040EVM since they perform the same function with different features. Also, be sure and download the user's guide (and datasheet) for any EVMs you order: BQ24090EVM , BQ25040EVM and TPS6…