Use the nPM2100 EK with the nRF54L15 DK

The nPM2100 EK can power the nRF54L15 System on Chip (SoC) as a host device on the nRF54L15 Development Kit (DK).

1. Connect the nPM2100 EK to the nRF54L15 DK as shown in Connecting nPM2100 EK and nRF54L15 DK.
2. To program and debug nRF54L15 SoC, connect a USB cable to the USB port J3 on the DK.
   This powers only the IMCU used for programming and debugging.
3. On the EK, disconnect the USB-C cable from J4 to put the EK in standalone mode.
   This disables the nPM Controller.
4. Insert a battery in the battery add-on board, ensuring correct polarity.
5. To power the EK, plug the battery add-on board in the EK socket labelled BATTERY INPUT.
6. Slide switch SW5 to VBAT.

Figure 1. Connecting nPM2100 EK and nRF54L15 DK

Note: The nRF54L15 host device and the nPM2100 PMIC have the same I/O reference level.

The following table shows the connections between the EK and the nRF54L15 DK.

Table 1. Connections between nPM2100 EK and nRF54L15 DK

Function	nPM2100 EK		nRF54L15 DK		Comment
	Pin name	Location	Pin name	Location
Power	VOUT	P11, pin 3	VDD	P6, pin 2	The nRF54L15 DK voltage can be adjusted in the Board Configurator app application to match the nPM2100 VSET voltage
	GND	P11, pin 4	GND	P6, pin 1	Ground
TWI	SCL	P11, pin 2	P1.11	P1, pin 11	Connect to a TWI compliant GPIO on DK
	SDA	P11, pin 1	P1.12	P1, pin 12	Connect to a TWI compliant GPIO on DK
GPIO	GPIO0	P12, pin 1	P0.02	P0, pin 2	Connect to a GPIO on DK
	GPIO1	P12, pin 2	P0.04	P0, pin 4	Connect to a GPIO on DK