Part Review and Datasheet Update

flux

I’ll correct the mismatched NPM1100-QDAA-R7 pins, populate pin descriptions/types from the Nordic QFN24 pin table, then run a fresh schematic/footprint review.

flux

I found the three symbol naming mismatches still present: pin 3, pin 4, and the exposed pad label. I’m applying the corrected Nordic QFN24 names and descriptions now.

flux

Updated the symbol/footprint pin labels and metadata: VOUTBSET2 → VOUTBSET0, NC_1 → AVSS, and exposed pad GND → AVSS_EP. I populated all 25 terminals with datasheet-based pin descriptions and Flux-valid pin types, then reviewed the symbol/footprint checks; no open warnings/errors were reported.
Open items:
  • The exposed pad is named AVSS_EP to avoid duplicate AVSS labels while preserving datasheet meaning.
  • Pad geometry dimensions were not exposed in the review output, so only pad naming/count consistency was verified.
Suggested next steps:
  1. If desired, import/check the exact Nordic QFN-24 4×4 mm land pattern dimensions.
  2. Publish the corrected part revision.
Check land pattern and publish
Check land pattern
Run full review
Publish revision
Update review document
ICHG
Pin Number
12
SHPACT
Pin Number
6
VBAT
Pin Number
15
D+
Pin Number
20
VOUTB
Pin Number
1
NC_4
Pin Number
24
CHG
Pin Number
8
VOUTBSET1
Pin Number
2
VBUS
Pin Number
17
VOUTBSET0
Pin Number
3
PVSS
Pin Number
23
MODE
Pin Number
7
ISET
Pin Number
5
SHPHLD
Pin Number
11
NC_2
Pin Number
13
NC_3
Pin Number
18
VTERMSET
Pin Number
9
NTC
Pin Number
14
ERR
Pin Number
10
AVSS_EP
Pin Number
25
VSYS
Pin Number
16
DEC
Pin Number
21
AVSS
Pin Number
4
SW
Pin Number
22
D-
Pin Number
19
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NPM1100-QDAA-R7

NPM1100-QDAA-R7 thumbnail
Battery Power Management IC Lithium Ion/Polymer 24-QFN (4x4)
nPM1100 is an integrated Power Management IC (PMIC) with a linear-mode lithium-ion/lithium-polymer battery charger in a compact 2.1x2.1 mm WLCSP package. It has a highly efficient, dual-mode configurable output DC/DC buck regulator. nPM1100 is an extremely compact PMIC device, created for space constrained applications with a small lithium-ion or lithium-polymer battery. It is compatible with all nRF52 and nRF53 Series SoCs and supports charging batteries at up to 500 mA through USB, and also delivers up to 150 mA of current to power external components with regulated voltage. A minimum of five passive components are required for operation and the device functions without a control interface. It is the perfect companion for nRF52 and nRF53 multiprotocol SoCs in battery powered designs. Low quiescent current (IQ) extends battery life during shipping and storage with Ship mode, or in operation using auto-controlled hysteretic buck mode for high efficiency down to 1 µA loads. Charge and error indication LED drivers are built in. Charge profile limits are configurable and VBUS current limits can be fixed or auto-controlled with on-chip USB port detection.
• 400 mA linear battery charger • Linear charger for lithium-ion/lithium-polymer batteries • Adjustable charge current from 20 mA to 400 mA • Selectable termination voltage of 4.1 V or 4.2 V • Automatic trickle, constant current, and constant voltage charging • Battery thermal protection • Discharge current limitation • JEITA compliant • Li-ion/Li-polymer USB battery charger with a high efficiency buck regulator • 800 nA - Typical quiescent current • 460 nA - Shipping mode quiescent current • Thermal protection • Input regulator • USB compatible current limit of 100 mA and 500 mA • 4.1 V to 6.7 V input voltage range for normal operation • 20 V overvoltage protection • Reverse current protection • 3.0 V to 5.5 V system voltage output • USB port detection supporting the following types: • SDP • CDP/DCP • 1.8 V to 3.0 V, 150 mA step-down buck regulator • Step-down buck regulator with up to 92% efficiency • Automatic transition between hysteretic and pulse width modulation (PWM) modes • Forced PWM mode for clean power operation • Pin-selectable output voltage (1.8 V, 2.1 V, 2.7 V, 3.0 V) • Soft start-up • LED drivers for charger state indication • 5 mA low side LED driver for charging indication • 5 mA low side LED driver for error indication • 2.3 V to 4.35 V battery operating input range • 2.1x2.1 mm WLCSP package • Suitable for two layer PCB design
#CommonPartsLibrary #IntegratedCircuit #NordicSemiconductor #nPM1100 #PMIC #BatteryCharger #PowerManagement #LiIon #LiPolymer #BuckConverter #Wearables #IoT #WirelessSensor #LowPowerDesign #USBCharging #EmbeddedSystems #nRF52 #nRF53 #PortableElectronics

Properties

Datasheet URL: https://docs-be.nordicsemi.com/bundle/nPM1100_PS_v1.4/raw/resource/enus/nPM1100_PS_v1.4.pdf

NPM1100-QDAA-R7

Nordic Semiconductor

Integrated Circuits

mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6470/NPM1100-QDAA-R7.pdf

IC

QFN

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parametric-v1

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