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Altera_Forum
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16 years ago

Stratix III- JTAG header power supply issue...

Hi, We have custom-designed Stratix III FPGA boards for our particle tracking experiments. One board gave an error while configuring the device. Later we found that 8-mil trace which powered(3.3V)...
Altera_Forum's avatar
Altera_Forum
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16 years ago

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Can anyone tell us the maximum current being pulled by the JTAG header while the FPGA is configured using an USB Blaster.

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It's in a few mA range. You should expect a defective USB-Blaster or cable causing the damage. It's a good idea however to provide some kind of protection, e.g. a PTC fuse if the output isn't short-circuit proof.