Datasheet nPM1100 (Nordic Semiconductor) - 45

Hardware and layout
Configuration 1 Configuration 2 Configuration 3
Description Minimal configuration Minimal configuration Normal configuration Fixed 100 mA
VBUS
limit Fixed 500 mA
VBUS
limit USB port detection BUCK Not used Not used Configured Ship mode Not used Not used Configured Battery NTC Not used Not used Configured VTERM 4.1 V 4.1 V 4.2 V
ISET AVSS VSYS AVSS D- AVSS AVSS
USB
D+
NC NC USB
ICHG
4.7 kΩ 0 Ω 1.5 Ω 1% GND GND
VOUTB
- - 2V1 Table 22: PCB application configuration 8.3.1 Configuration 1 VBUS U1 B1 VBUS VSYS C1 VOUT B2 VBUS VSYS C2 A1 C1 A2 D- DEC A3 2.2µF D+ C2 VOUTBSET0 B4 22µF VOUTBSET1 B3 VBAT D1 VBAT D2 VBAT E1 J1 NTC VOUTB B5 Optional R1 + 10k LD1 LD2 nPM1100 SW A4 L0603R L0603G Battery pack C3 E2 VTERM MODE E5 ICHG ISET D5 R_ICHG ERR E3 ERR 4k7 C4 AVSS CHG E4 CHG C5 A5 AVSS SHPACT D4 PVSS SHPHLD D3 nPM1100-CAAA 4445_367 v1.0 45 Document Outline Contents nPM1100 Feature list Revision history About this document 2.1 Document status 2.2 Core component chapters Product overview 3.1 Block diagram 3.1.1 In circuit configurations 3.2 System description 3.3 Power-on reset (POR) and brownout reset (BOR) 3.4 DPPM — Dynamic power-path management 3.5 Using Ship mode 3.6 Thermal protection 3.7 Battery considerations 3.8 Charging and Error LED drivers 3.9 System electrical parameters 3.10 System efficiency Absolute maximum ratings Recommended operating conditions 5.1 Dissipation ratings 5.2 WLCSP light sensitivity Core components 6.1 SYSREG — System regulator 6.1.1 USB port detection and VBUS current limiting 6.1.2 SYSREG resistance and output voltage 6.1.3 VBUS overvoltage and undervoltage protection 6.1.4 VBUS disconnect 6.1.5 Electrical parameters 6.1.6 Electrical characteristics 6.2 CHARGER — Battery charger 6.2.1 Charging cycle 6.2.2 Battery detection and UVLO 6.2.3 Termination voltage (VTERMSET) 6.2.4 Termination and trickle charge current 6.2.5 Charge current limit (ICHG) 6.2.6 Battery thermal protection using NTC thermistor (NTC) 6.2.7 Charger thermal regulation 6.2.8 Charger error conditions 6.2.9 Charging indication (CHG) and charging error indication (ERR) 6.2.10 DPPM — Dynamic power-path management 6.2.11 Electrical parameters 6.2.12 Electrical characteristics 6.3 BUCK — Buck regulator 6.3.1 Output voltage selection (VOUTBSET0, VOUTBSET1) 6.3.2 BUCK mode selection (MODE) 6.3.3 Component selection 6.3.4 Electrical parameters 6.3.5 Electrical characteristics Application 7.1 Schematic 7.2 Supplying from BUCK 7.3 USB port negotiation 7.4 CHG and ERR 7.5 Termination voltage and current 7.6 NTC configuration 7.7 Ship mode 7.8 Battery monitoring and low battery indication Hardware and layout 8.1 Ball assignments 8.2 Mechanical specifications 8.2.1 WLCSP 2.075x2.075 mm package 8.3 Reference circuitry 8.3.1 Configuration 1 8.3.2 Configuration 2 8.3.3 Configuration 3 8.3.4 PCB guidelines 8.3.5 PCB layout example Ordering information 9.1 IC marking 9.2 Box labels 9.3 Order code 9.4 Code ranges and values 9.5 Product options Legal notices