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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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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.

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thank you FvM for your reply.

If we exclude defective USB-Blaster, could this kind of damage occur due to PCB design error or some kind of malfunction in Stratix III to pull more current from the JTAG header while being configured through the USB Blaster.

-Susantha