DRV8301-Q1
SLOS842 –SEPTEMBER 2013
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Application Schematic Example
Example:
Buck: PVDD= 3.5V – 40V, Iout_max = 1.5A, Vo = 3.3V, Fs = 570 kHz
PVDD
6.8nF
16.2K
0.015 mF
VCC
120
pF
205kW
3 .3
470mF
RT_CLK
SS_TR
10 nF
31.6kW
COMP
EN_BUCK
PVDD 2
PVDD
10kW
VCC
VSENSE
PWRGD
10kW
0.1 mF
0.1 mF
PVDD 2
4.7mF
22 mH
10kW
OCTW
FAULT
DTC
BST _BK
PH
10kW
VCC (3.3V)
PVDD
47mF
PH
VCC
SCS
VDD _SPI
BST _A
GH_A
SH_A
GL_A
0.1mF
SDI
SDO
SCLK
DC_CAL
GVDD
CP1
_A
SL
MOTOR
2.2 mF
0.1mF
22 nF
BST _B
GH_B
SH_B
Motor
Controller
CP2
EN_GATE
_A
INH
_B
GL
SL_B
_ C
INL_A
0.1 mF
_B
INH
BST
GH_ C
_ C
INL_B
_C
INH
SH
INL_C
DVDD
REF
GL_ C
SL_ C
SN1
1 mF
Power
Pad
10mW RS1
1 nF
SO1
SP1
SO2
SN2
RS2
1 nF
10mW
GND
AVDD
SP2
1 mF
AGND
PVDD 1
PVDD
4.7 mF
0.1 mF
AGND GND
GND PGND
22
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