Questions tagged [enable]
The enable tag has no summary.
24 questions
0 votes
1 answer
270 views
Will this power enable circuit work?
I have an application for a module in a vehicle, it will be powered by a permanent live from the battery and enabled by the ignition key. I have designed it this way so that I can have the MCU safely ...
- 850
1 vote
2 answers
108 views
Voltage output with enable?
It's been a long time since I've designed an electronic circuit, can someone please advise the best was to handle this problem. I have a trigger switch as seen below, the voltage value of SPEED_CTRL ...
0 votes
4 answers
2k views
Which is the default state of MCU's GPIO before initialization?
I have a microcontroller that enables an IC. This IC would be enabled when a logic 0 is set in its enable input pin. So, one microcontrollers' GPIO is connected to that pin. My question is, before ...
0 votes
1 answer
191 views
Voltage Supervisor (TPS3840DL) with Step-Down Converter (TPS54202)
I am trying to find the error in my schematic. I want to use the TPS3840DL supervisor to reset (turn off and on again) the TPS54202 step-down converter either when the voltage drops below the ...
- 15
0 votes
0 answers
605 views
MCP2221A and ESP32-S3 Auto Program circuit?
I am currently trying to make my own development board but have run into a bit of a pickle. I want to be able to Auto Program the ESP32 since pressing a button each time is not something that I would ...
- 11
0 votes
1 answer
66 views
Controlling ADC (on/off) with microcontroller
I'm designing a PCB. I want to turn the ADS1120 ADC off/on using the SAMD21G microcontroller. The ADC has two power inputs, 3.3V analog and 3.3V digital. The 3.3V analog is connected to an LDO that ...
2 votes
3 answers
2k views
Do you need a current limiting resistor on an enable pin?
I am using MCP16312-E/MS buck regulator and need the component to always be on. I am therefore connecting the enable pin to the Vin supply. Do you need a current limiting resistor? Whilst the resistor ...
- 421
4 votes
6 answers
3k views
What does "Driven low/high" mean in terms of electronics?
I keep seeing in specs/manuals to drive a pin high or low, what does that really mean? For example I'm working with a voltage regulator that has an ENABLE pin that says will switch the board to a low ...
- 155