NXP Semiconductors MCX-N9 EVK Series - Page 15

NXP Semiconductors
UM12036
MCX-N9XX-EVK Board User Manual
Figure 7. MCX-N9XX-EVK 5 V power source selection
3.3 V power sources and selection
The following table describes the 3.3 V input power sources and their output power supplies.
Part identifier Device / power source Output power supply Description
U2 PCA9420BSAZ (NXP
Semiconductors)
LDO2_OUT: 3.3 V One of the sources for P3V3 supply
U54 ADM7172 regulator
(Analog Devices)
ADM7172_VOUT: 3.3 V One of the sources for P3V3 supply (default
option)
- LDO2_OUT through
JP44
P3V3
- ADM7172_VOUT
through JP44
P3V3
J3 (pin 8) Arduino shield
compatible header
P3V3
• Power supply for:
– EMV SIM load switch (U48)
– SD card load switch (U56)
– Ethernet transceiver LAN8741 (U37)
through JP4 jumper
– FlexCAN transceiver TJA1057 (U39)
– Dual supply translating transceivers
NTS0302 (U50), NTB0102 (U52),
NTB0101 (U51)
– mikroBUS connector (J19)
– Flex IO header (J20)
– M.2 Key E card connector (J12)
– Crystal oscillator (Y5)
– RGB LED
• One of the sources for VDD_P2 supply
through the JP47 jumper. For details, see
Section 1.6
Table 7. P3V3 power sources
UM12036 All information provided in this document is subject to legal disclaimers. © 2024 NXP B.V. All rights reserved.
User manual Rev. 1 — 20 January 2024
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