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AN2203 - Programmable Analog High Current Source, PSoC® 1 Style | Cypress Semiconductor

AN2203 - Programmable Analog High Current Source, PSoC® 1 Style

Last Updated: 
Nov 23, 2015
Version: 
*C
This is an Obsolete Application Note
The document AN2203 - Programmable Analog High Current Source, PSoC® 1 Style has been marked as obsolete. The obsolete version of this application note is still available with the below description but may not be complete or valid any longer. If you have any questions or require support in regards to the below application note content, please click here and create a technical support case.

The unique configuration of the PSoC®1 switched capacitor blocks allows, with the addition of an external pass transistor and current setting resistor, the construction of a programmable current source. A detailed explanation of this function is provided, demonstrating how to build a programmable current source using a single switched capacitor block.