Datasheet nPM1100 (Nordic Semiconductor) - 5

link to page 24 link to page 26 link to page 28 link to page 29 link to page 29 link to page 29 link to page 30 link to page 31 link to page 39 link to page 39 link to page 39 link to page 40 link to page 40 link to page 40 link to page 40 link to page 40 link to page 41 link to page 42 link to page 42 link to page 43 link to page 43 link to page 44 link to page 45 link to page 46 link to page 47 link to page 48 link to page 48 link to page 52 link to page 52 link to page 52 link to page 53 link to page 54 link to page 55 link to page 57 6.2.11 Electrical parameters . 24 6.2.12 Electrical characteristics . 26 6.3 BUCK — Buck regulator . 28 6.3.1 Output voltage selection (VOUTBSET0, VOUTBSET1) . 29 6.3.2 BUCK mode selection (MODE) . 29 6.3.3 Component selection . 29 6.3.4 Electrical parameters . 30 6.3.5 Electrical characteristics . 31 7 Application. 39 7.1 Schematic . 39 7.2 Supplying from BUCK . 39 7.3 USB port negotiation . 40 7.4 CHG and ERR . 40 7.5 Termination voltage and current . 40 7.6 NTC configuration . 40 7.7 Ship mode . 40 7.8 Battery monitoring and low battery indication . 41 8 Hardware and layout. 42 8.1 Ball assignments . 42 8.2 Mechanical specifications . 43 8.2.1 WLCSP 2.075x2.075 mm package . 43 8.3 Reference circuitry . 44 8.3.1 Configuration 1 . 45 8.3.2 Configuration 2 . 46 8.3.3 Configuration 3 . 47 8.3.4 PCB guidelines . 48 8.3.5 PCB layout example . 48 9 Ordering information. 52 9.1 IC marking . 52 9.2 Box labels . 52 9.3 Order code . 53 9.4 Code ranges and values . 54 9.5 Product options . 55 10 Legal notices. 57 4445_367 v1.0 v 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