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  Topic: PIC16F1946, high power consumption at sleep mode.
Andru-Khan

Replies: 7
Views: 11852

PostForum: General CCS C Discussion   Posted: Mon Nov 29, 2010 2:40 am   Subject: PIC16F1946, high power consumption at sleep mode.
1) Vbat_IO not connected (resistor R39 is not placed).
Vbat_ADC connected to analog input of MCU (PIN_A0).

2) In test application that I wrote in the beginning I do not use #use delay.
At the rea ...
  Topic: PIC16F1946, high power consumption at sleep mode.
Andru-Khan

Replies: 7
Views: 11852

PostForum: General CCS C Discussion   Posted: Mon Nov 29, 2010 1:16 am   Subject: PIC16F1946, high power consumption at sleep mode.
All voltages came from a bench power supply: and 5V and 3V.
The schematic drawing of it please find below.
The current I'm measuring in sleep mode is the current that board taking from battery. The ...
  Topic: PIC16F1946, high power consumption at sleep mode.
Andru-Khan

Replies: 7
Views: 11852

PostForum: General CCS C Discussion   Posted: Sun Nov 28, 2010 10:46 pm   Subject: PIC16F1946, high power consumption at sleep mode.
The amount of current in sleep mode (as I wrote previously): 85uA
The amount of current during normal operation mode: 3.71 mA
Vdd = 5V
Vbattery = 3V
No connection to the MCU except ISP (so 19K res ...
  Topic: PIC16F1946, high power consumption at sleep mode.
Andru-Khan

Replies: 7
Views: 11852

PostForum: General CCS C Discussion   Posted: Sun Nov 28, 2010 4:58 pm   Subject: PIC16F1946, high power consumption at sleep mode.
Hi All,

I need to use PIC16F1946 in sleep mode for RTC operation but its power consumption is too high.

Even if I turn MCU to sleep mode immediately after start (no interrupts, no nothing) then ...
 
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