NPM1100-CAAA-R7 datasheet(14/58 Pages) NORDIC

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5 Recommended operating conditions

The operating conditions are the physical parameters that the chip can operate within.

Symbol

Parameter

Notes

Min.

Nom. Max.

Unit

VBUSOP

Supply voltage

4.1

6.7

VBATOP

Battery voltage

2.30

4.35 V

Junction temperature

-40

+125 °C

Operating temperature

Ambient

-40

+85

°C

Table 6: Recommended operating conditions

5.1 Dissipation ratings

Thermal resistances and thermal characterization parameters as defined by JESD51-7 are shown in the

following table.

Symbol

Parameter

WLCSP

25 pins

Units

RϴJA

Junction-to-ambient thermal resistance

50.7

°C/W

RϴJC(top)

Junction-to-case (top) thermal resistance

9.2

°C/W

RϴJB

Junction-to-board thermal resistance

22.6

°C/W

ΨJT

Junction-to-top characterization parameter

1.05

°C/W

ΨJB

Junction-to-board characterization parameter

°C/W

Table 7: Recommended operating conditions

5.2 WLCSP light sensitivity

WLCSP package is sensitive to visible and near infrared light, which means that a final product design must

shield the chip properly.

4445_367 v1.0

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