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[FAQ] GPIO Protection

Josh Prushing
Expert 5290 points

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GPIO Protection

Highlights:

  • Operating Lines: I/Os
  • Dataline operating voltage: 1.8 - 3.3 V, recommended breakdown > 3.6 V
  • Capacitance is not a huge concern < 30 pF
  • Multi-channel recommended for multiple I/Os for space-saving

TI Recommendations

Working Voltage (V)

IEC 61000-4-2 ESD Rating (kV) (Contact/Air Gap)

Capacitance (pF)

Channel

count

Package

ESD351

3.6

30/30

1.8

1

X1SON

TPD4E002

5

15/15

11

4

SOD523

TPD8E003

5.5

12/15

9

8

WSON

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