User Manual

 2012-2017 Microchip Technology Inc. Advance Information DS40001667E-page 21
MGC3030/3130
4.2.4.4 MGC3X30 Power Profile
The MGC3X30 power profile is illustrated in Figure 4-5.
FIGURE 4-5: MGC3X30 POWER PROFILE
MGC3X30 current consumption for the different
operation modes are summarized in Table 4-1.
The Self Wake-up mode current consumption depends
on the number of active channels during Self Wake-up
mode, Approach Scan and Calibration Scan repetition
period. Changing these parameters results in different
current consumption values.
Wake-up IRQ from host
or I²C
TM
start detected
Approach detected
No user interaction
(Time-out)
t
I
I
DS
(1)
=9µA
I
PEAK
(1)
= 20mA
I
SW1
(1)
= 200µA
Deep Sleep Self Wake-up Self Wake-upProcessing
I PEAK : Processing mode with 5 Rx Channels
I
SW1 : Self Wake-up with 150 ms Approach Scan and 10s Calibration Scan
I
SW2 : Self Wake-up with 150 ms Approach Scan and without Calibration Scan
I
DS : Deep Sleep
(1) These are preliminary values @ 3.3V, typical
I
SW2
(1)
= 110µA
TABLE 4-1: CURRENT CONSUMPTION OVERVIEW
Mode Current Consumption Conditions
Processing mode 20 mA V
DD = 3.3V
5 Rx Channels activated
Self Wake-up mode 110 µA V
DD = 3.3V
No Calibration Scan
1 Rx Channel active
200 µA VDD = 3.3V
Calibration Scan each 10s
1 Rx Channel active
Deep Sleep mode 9 µA VDD = 3.3V
Note: In Processing mode, there are always five
Rx channels activated. Choosing only four
Rx channels in Aurea does not have an
impact on the current consumption during
Processing mode.