NXP Semiconductors KW45B41Z-EVK - Page 24

NXP Semiconductors
KW45B41Z-EVKUM
KW45B41Z-EVK Board User Manual
Power source Manufacturing part
number
Power supply rail Description
From PMIC_SW2 output
of PMIC through jumper
JP2
P1V8_EXT (1.8 V) • Produces VDD_PA_2G4 supply through jumper
JP11 (DNP)
• One of the three power supplies used to
produce V_SEC supply
• One of the two power supplies used to produce
VOUT_SYS / VDD_SYS supply
From P3V3 supply
through jumper JP4
VDD_SWITCH Provides VDD_SWITCH power to the target MCU
From P1V1_EXT supply
through jumper JP15
VDD_CORE Provides external VDD_CORE power (0.84 V –
1.21 V) to the target MCU
From P1V8_EXT supply
through jumper JP11
(DNP)
VDD_PA_2G4 Provides external VPA_2P4GHZ power to the
target MCU
From P3V3 supply or
VOUT_SWITCH power of
the target MCU through
jumper JP6
VDD_REG • One of the two input power supplies for jumper
JP37
• One of the two power supplies used to produce
VDD_DCDC supply
• One of the two power supplies used to produce
VDD_IO_ABC supply
• One of the two power supplies used to produce
VDD_ANA supply
From VBOARD supply
through jumper JP35
MCU_VDD_REG • Another input power supply for jumper JP37
• Another power supply used to produce VDD_
DCDC supply
• Another power supply used to produce VDD_
IO_ABC supply
• Another power supply used to produce
VDD_ANA supply
• One of the power supplies used in current
measurement circuit
From VDD_REG / MCU_
VDD_REG supply
through jumper JP7
VDD_DCDC • Provides VDD_DCDC power to the target MCU
• Another power supply used to produce VOUT_
SYS / VDD_SYS supply
From VDD_REG / MCU_
VDD_REG supply
through jumper JP8
VDD_IO_ABC
(default value: 3.3 V)
Provides VDD_IO_ABC power to the target MCU
From VDD_REG / MCU_
VDD_REG supply
through jumper JP9
VDD_ANA Provides VDD_ANA power to the target MCU
From DCDC_LX power of
the target MCU
1V8_DCDC Another power supply used to produce V_SEC
supply
From 1V8_DCDC
supply / jumper JP37
output / P1V8_EXT
supply through jumper
JP10
V_SEC • Produces VDD_LDO_CORE supply through
jumper JP12
• Produces VDD_RF supply through jumper JP14
Table 8. KW45B41Z-EVK power supplies...continued
KW45B41Z-EVKUM All information provided in this document is subject to legal disclaimers. © 2023 NXP B.V. All rights reserved.
User manual Rev. 2 — 13 February 2023
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