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J1772 Interface

  • When board is powered, Regulator U3 should output 5V.

Proximity Pilot (PP)

Expected readings:

EVSE_PROXIMITY Voltage (V)

U4 Inverting Input Voltage (V)

PA7 Voltage (V)

Not Connected

4.46

2.735

1.53

1.53

0.938

2.77

2.77

1.938

  • PA7 should always be DC. Time constant for RC filter (R8, C10) = 10us = 100kHz

  • PA7 should never exceed 3.3V.

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