Datasheet
TMC8462 Datasheet • Document Revision V1.5 • 2019-June-21
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5.4.8 Minimum External Supply Circuit for Single Supply >5V
To connect TMC8462 to a single supply greater than 5V the circuit is very similar to Figure 25. The main
difference is that an additional external diode (MSS1P6) is required at output SW0. The pin SW_DIODE is
open.
TMC8462 Supply
VS
100nF
VS0
VS>5V
100nF
VS1
4x VCCIO
4x100nF
PLLCLK_VCCIO
100nF
1 Ω
600 Ω @100MHz
3.3V
VDD1V8_OUT
100nF
1.8V
4x VCC_CORE
4x100nF
VIO1/2/3
VDD5_OUT
100nF
SW1
VOUT
VOUT_FB
GND1
SW0
22µH
22µF
+
47µF
MSS1P6
3.3V
SW_DIODE
GND_DIODE
GND0
10x GND
PLLCLK_GND
GNDIO1/2/3
Figure 26: Minimum external supply circuit for single supply >5V
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