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NPM1100-CAAA-R Datasheet(PDF) 4 Page - Nordic Semiconductor

Part # NPM1100-CAAA-R
Description  nPM1100
PDF  58 Pages
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Manufacturer  NORDIC [Nordic Semiconductor]
Direct Link  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NPM1100-CAAA-R Datasheet(HTML) 4 Page - Nordic Semiconductor

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Contents
nPM1100. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii
Feature list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii
1 Revision history. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 About this document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Document status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Core component chapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Product overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1.1 In circuit configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
3.2 System description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 Power-on reset (POR) and brownout reset (BOR) . . . . . . . . . . . . . . . . . . . 10
3.4 DPPM — Dynamic power-path management . . . . . . . . . . . . . . . . . . . . . 10
3.5 Using Ship mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
3.6 Thermal protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
3.7 Battery considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.8 Charging and Error LED drivers . . . . . . . . . . . . . . . . . . . . . . . . . .
11
3.9 System electrical parameters . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
3.10 System efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
4 Absolute maximum ratings. . . . . . . . . . . . . . . . . . . . . . . . . . 13
5 Recommended operating conditions. . . . . . . . . . . . . . . . . . . . . 14
5.1 Dissipation ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.2 WLCSP light sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6 Core components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.1 SYSREG — System regulator . . . . . . . . . . . . . . . . . . . . . . . . . . .
15
6.1.1 USB port detection and VBUS current limiting . . . . . . . . . . . . . . . . . .
15
6.1.2 SYSREG resistance and output voltage . . . . . . . . . . . . . . . . . . . . . . 16
6.1.3 VBUS overvoltage and undervoltage protection . . . . . . . . . . . . . . . . . . 16
6.1.4 VBUS disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
6.1.5 Electrical parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.1.6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
6.2 CHARGER — Battery charger . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
6.2.1 Charging cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
6.2.2 Battery detection and UVLO . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.2.3 Termination voltage (VTERMSET) . . . . . . . . . . . . . . . . . . . . . . . . 21
6.2.4 Termination and trickle charge current . . . . . . . . . . . . . . . . . . . . .
21
6.2.5 Charge current limit (ICHG) . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.2.6 Battery thermal protection using NTC thermistor (NTC) . . . . . . . . . . . . . .
21
6.2.7 Charger thermal regulation . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.2.8 Charger error conditions . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
6.2.9 Charging indication (CHG) and charging error indication (ERR) . . . . . . . . . . . . 23
6.2.10 DPPM — Dynamic power-path management . . . . . . . . . . . . . . . . . .
23
4445_367 v1.0
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