NPM1100-CAAA-R datasheet(42/58 Pages) NORDIC

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8 Hardware and layout

8.1 Ball assignments

The ball assignment figure and table describe the assignments for this variant of the chip.

Figure 35: WLCSP ball assignments

Name

Function

Description

Recommended

usage

D-

Analog input

USB D- data line

D+

Analog input

USB D+ data line

DEC

Power

System decoupling capacitor

Power

BUCK converter output (to

inductor)

PVSS

Power

Ground (DC/DC)

VBUS

Power

Input supply

VBUS

Power

Input supply

VOUTBSET1

Digital I/O

BUCK regulator output voltage

selection

Toggle only when the

device is in Power

OFF

VOUTBSET0

Digital I/O

BUCK regulator output voltage

selection

Toggle only when the

device is in Power

OFF

VOUTB

Power

BUCK regulator output

VSYS

Power

System voltage output;

automatically enabled after power-

on reset

VSYS

Power

System voltage output;

automatically enabled after power-

on reset

4445_367 v1.0

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