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IRS20954 sim problem
IRS20954 sim problem
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Old 8th November 2017, 04:40 PM   #1
rhythmsandy is offline rhythmsandy
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Default IRS20954 sim problem

I'm trying to simulate the IRS20954 but not able to simulate it as its showing some timestep error. Is there anything wrong with this schematic?
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File Type: jpg IRS20957.JPG (146.6 KB, 49 views)

Last edited by rhythmsandy; 8th November 2017 at 04:54 PM.
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Old 8th November 2017, 05:23 PM   #2
Khron is online now Khron  Finland
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Sounds like some problem "inside" the 20954 model; that's the only place a Schmitt trigger may be, i don't see one on the schematic.
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Old 8th November 2017, 06:13 PM   #3
rhythmsandy is offline rhythmsandy
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Quote:
Originally Posted by Khron View Post
Sounds like some problem "inside" the 20954 model; that's the only place a Schmitt trigger may be, i don't see one on the schematic.
The sim was working when a test circuit with initial conditions set.
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File Type: zip irs20954.zip (5.2 KB, 12 views)
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Old 26th February 2018, 10:45 AM   #4
artmaster547 is offline artmaster547
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Do you by any chance have a model for the IRS20957 IC or do you believe this older IRS20954 should be suitable for the simulation stage?
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