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Altera_Forum
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9 years ago

ALtera MAX10 JTAG Problem

Hello, I made some BLDC and IO expander boards based on Altera MAX10, and i have strange problem that from Quartus at first programming after power was supplied, it does not want to program, but s...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

my fast slope is 20ms to get to 2v, and then slow part of the ramp is 100ms to get to 3.3V

I am using TPS7A8101 for 1.2V and 3.3V generation, and LT3042 for 2.5V generation. So what, i am screwed because my LDO can 't get into 3.3V and 2.5V and 1.2V in 10ms ? WTF

Device is MAX10 10M16DAF256C8G

Also i am generating 5V from LTM8022V, and use it's power_good to start all my LDO converters. so i only start LDO when i charge my main 5V capacitors. This should prevent low ramp speed. But damn, that was still no