Datasheet

Figure 3-12. Override Pulse (Delay Multiplier x24)
VDD
OUT
VSS
2
1
4
SNS
Rm
Vm
TIME
6
3
SNSK
Cs
SENSE
ELECTRODE
Rs
Rop
5
VDD
Cby
100 nF
Vdd
Vss
Tp
Figure 3-13 shows override pulses being applied to a QT1012 with delay multiplier set to x1.
Figure 3-13. Overriding Auto-off
SNSK
Vm
C
toff
C C C
OUT
P P P
P - override (reload auto off delay)
O - switch output off (t burst time + 50ms)
C - sensor recalibration
off
Bursts
O
AT42QT1012
© 2017 Microchip Technology Inc.
Datasheet
DS40001948A-page 20