Datasheet

TMC8462 Datasheet • Document Revision V1.5 • 2019-June-21
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Name Pin Type (I,O,PU,PD) Function
Switching Regulator 0 IOs
VS0 L7 I Switching regulator 0 supply voltage, Switching
regulator 0 provides a fixed 3.3V output.
GND0 L9 I Switching regulator 0 ground, connect to GND
SW0 L8 O Switching regulator 0 output, fixed 3.3V
SW_DIODE K7 I Switching regulator 0 internal diode, connect to
SW0 only if VS0 is at or below 5V
GND_DIODE K8 I Switching regulator 0 internal diode ground, con-
nect to GND
Switching Regulator 1 IOs
VS1 L11 I Switching regulator 1 supply voltage, Switching
regulator 1 provides an adjustable output volt-
age.
GND1 K9 I Switching regulator 1 ground, connect to GND
SW1 L10 O Switching regulator 1 output, adjustable
VOUT K10 I Switching regulator 1 inductor ringing suppres-
sion feedback
VOUT_FB K11 I Switching regulator 1 feedback voltage, 1.2V typi-
cally
Bus Interface 0 IOs (EtherCAT IN Port)
TN0 D1 O Negative pin of differential transmit output pair
TP0 E1 O Positive pin of differential transmit output pair
RN0 A1 I Negative pin of differential receive output pair
RP0 B1 I Positive pin of differential receive output pair
REGOUT0 A2 O Regulator power output, use a 10uF and 0.1uF
for filtering power noise
MCLK F2 O PHY management clock, leave open if not needed
MDIO F3 I/O, PU PHY management data, use 4K7 pull up resistor
to VCCIO (3.3V)
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