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what are the readings on t
votie

votie

@copilot what are the readings on t
2y

copilot

I'm sorry, but can you provide more specific details about which readings on the "T" reference you are referring to? Are you referring to a specific component(s) in your schematic starting with the letter "T" such as a transistor, transformer, etc., or a parameter such as temperature? The provided schematic does not include a designator starting with "T."
If you're referring to a specific measurement in a test you're running on the circuit, please provide details about the context of the measurement (voltage, current, resistance, etc.), and where you're measuring it in the schematic.
2y
2
which element can i replace this ic with that has a simulation model
votie

votie

@copilot which element can i replace this ic with that has a simulation model
2y

copilot

The IC specified in your project is the ICM7555ISA+T. This is a general-purpose timer integrated circuit similar to the popular 555 timer IC, but with more robust performance and consuming less power.
In terms of substitution, it would likely be best to replace this IC with another 555-based timer that has a simulation model and behaves similarly. The NE555 or LM555 (from Texas Instruments) could be good alternatives. They are among the most widely-used ICs and have abundant simulation models for various platforms.
Remember to compare the datasheets between the original IC and the recommended ones to ensure they meet the specific needs of your project. This is because sometimes, even "equivalent" parts can have subtle differences in their characteristics such as power consumption, maximum operating voltage, package type, etc. Make sure to re-evaluate the simulation model after changing the IC to make sure the operation is as expected.
2y
4
recommend a replacement for IC2.
votie

votie

@copilot recommend a replacement for IC2.
2y

copilot

Sure, IC2 is an ICM7555ISA+T. This is a CMOS timer IC, similar to the popular NE555, but with lower power consumption. A suitable replacement could be:
  1. TLC555QDR from Texas Instruments - This is a direct replacement. Albeit with slightly different electrical characteristics, such as broader operating voltage range (2V-15V compared to 2V-18V on the ICM7555), lower power consumption, and a higher frequency range. It does come in a different package (SOIC package) which might require a minor reroute on your PCB depending if you currently have a SOIC footprint or not.
  2. SE555DT from STMicroelectronics - Similar to the ICM7555, it features low power CMOS technology. It also has a wide supply voltage range from 2V to 16V. However, it has a different outline package (SOIC) compared to the ICM7555ISA+T.
  3. LTC555CN#PBF from Analog Devices - This is a direct replacement featuring the same pin-out configuration. It operates on wide supply voltage (1.5V~16V). But this one also uses a different package (PDIP).
Remember to verify that the timer configuration and output drive capabilities match the requirements of your project before deciding on a replacement. Changes in output current specifications, for instance, could necessitate the use of buffer amplifiers or other support components.
2y
3
R4
Resistance
500 Ω
C2
Capacitance
0.000001 F
C4
Capacitance
Capacitance
R1
Resistance
5000 Ω
IC3
R2
Resistance
5000 Ω
V1
C1
Capacitance
0.0000001 F
C3
Capacitance
0.01 F
SW1

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