VBAT
MCU-Link USB
(J1)
FL_USB_5V0
EXT USB
(J2)
EXT_USB_5V0
FS USB
(J3)
FS_USB_5V0
SYS_5V0
VIN2
LDO2 3V3
FL_3v3
LDO 3V3
LDO 1V9
VCC_1V9
VCC_3V3
VCC_3V3_1V9
MCU-Link
LPC5536
VBAT
VIN1
Figure 5. Power supply diagram
The table below describes the LPC55S36-EVK power supplies.
Table 9. LPC55S36-EVK power supplies
Power source
Manufacturing part
number
Power supply rail
Description
USB connector J1
ZX62D-B-5PA8(30)
(Hirose Electric)
FL_USB_5V0 (5 V)
• One of the three sources for SYS_5V0 supply
• Supplies power to MCU-Link 3.3 V regulator
(U31)
• Provides USB1_VBUS power to MCU-Link
• Should always be powered when using the
board
USB connector J2
ZX62D-B-5PA8(30)
(Hirose Electric)
EXT_USB_5V0 (5 V)
• Another source for SYS_5V0 supply
• Produces HOST_USB_VBUS supply through
load switch U7 (NX5P3090UK)
• Should be powered when using the target
MCU USB0 in Host mode
USB connector J3
ZX62D-AB-5P8(30)
(Hirose Electric)
FS_USB_5V0 (5 V)
Third source for SYS_5V0 supply
From FL_USB_5V0 /
EXT_USB_5V0 /
FS_USB_5V0
SYS_5V0 (5 V)
• One of the three sources for VIN_LDO supply
• One of the three power sources for audio
expansion connector
• Supplies power to mikroBUS socket connector
J8, Motor 1 + unused MCU pin socket
connector J10, Motor 2 + Arduino socket
connector J102, high-speed CAN transceiver,
and voltage translators (U25 and U26)
• Produces P5VA supply, which is used in
current measurement circuit
Table continues on the next page...
NXP Semiconductors
LPC55S36-EVK Functional Description
LPC55S36-EVK Board User Manual, Rev. 1, 24 January 2022
User Manual
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