Datasheet

TMC8462 Datasheet • Document Revision V1.5 • 2019-June-21

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Name Pin Type (I,O,PU,PD) Function

MFC High Voltage IO Supplies

VIO1 B5 I MFCHVIO block 1 supply voltage

VIO2 B7 I MFCHVIO block 2 supply voltage

VIO3 B9 I MFCHVIO block 3 supply voltage

GNDIO1 B6 I MFCHVIO block 1 ground, connect to GND

GNDIO2 B8 I MFCHVIO block 2 ground, connect to GND

GNDIO3 B10 I MFCHVIO block 3 ground, connect to GND

Device Supply and Ground

VS B11 I Supply voltage, use a 100nF ﬁlter capacitor

VCCIO E10, F10, I

I/O supply voltage,

use a 100nF ﬁlter capacitor

per pin

G10, F11

VCC_CORE F6, G6, I

Core supply voltage,

connect to VDD1V8_OUT,

use a 100nF ﬁlter capacitor per pin

F7, G7

PLLCLK_VCCIO K6 I

PLL supply voltage,

connect to VCCIO through

a ﬁlter (R/L/C)

TSTCLK_SELECT H6 I

Test input,

always connect to VCCIO for nor-

mal operation

GND C1, F1, I Supply Ground

J1, A3,

B4, F5,

G5, E8,

F8, G8

PLLCLK_GND J6 I PLL supply ground, connect to GND

Voltage Regulator IOs

VDD1V8_OUT G11 O

Output of internal 1.8V regulator,

use a 100nF

ﬁlter capacitor

VDD5_OUT E11 O

Output of internal 5V regulator,

use a 100nF ﬁl-

ter capacitor if VS≥5V

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