CY8C20110/CY8C20180/CY8C20160

CY8C20140/CY8C20142

Document Number: 001-54606 Rev. **

Page 6 of 29

Note 1.8V

≤ VDD_I2C ≤ VDD_CE and 2.4V ≤ VDD_CE ≤ 5.25V

Circuit 4 - Powering Down CapSense Express Device for Low Power Requirements

For low power requirements, if Vdd is to be turned off, this concept can be used. The requirement is that the Vdds of CapSense

pins of the master can cater to the power supply requirements of the circuit, the LDO can be avoided.

 

Master

Or

Host

LDO

CapSense Express

I2C Pull

UPs

LED

I2C

BUS

SDA

SCL

VDD

Output

Output

enable

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