TMC8462 Datasheet • Document Revision V1.4 • 2018-May -09
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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.
VS>5V
TMC8462 Supply
VDD5_OUT
VS
100nF
100nF
100nF
SW1
VOUT
VS0
VOUT_FB
VS1
3.3V
1.8V
GND1
4x VCCIO
3.3V
4x100nF
22µH
1 Ω
SW0
SW_DIODE
GND_DIODE
600 Ω @100MHz
PLLCLK_VCCIO
22µF
47µF
100nF
GND0
VDD1V8_OUT
4x VCC_CORE
VIO1/2/3
100nF
10x GND
PLLCLK_GND
4x100nF
GNDIO1/2/3
Figure 26: Minimum external supply circuit for single supply >5V
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