NPM1100-CAAA-E-R7

Battery Management Overview

The nPM1100-CAAA-E-R7 is a power management IC (PMIC) from Nordic Semiconductor, designed for space-constrained applications. It integrates a linear battery charger and a dual-mode configurable buck regulator. The device supports lithium-ion and lithium-polymer batteries with charging currents ranging from 20 to 400 mA. It features a non-regulated system power rail capable of delivering up to 660 mA at voltages between 3 V and 5.5 V. The input voltage range is 4.1 V to 6.7 V, with overvoltage protection up to 20 V. The component operates within a temperature range of -40 °C to 85 °C and utilizes a WLCSP package.

Battery Management Feature Summary

• Integrates a linear battery charger compatible with lithium-ion and lithium-polymer batteries, supporting JEITA charging specifications.
• Includes a dual-mode configurable buck regulator that automatically switches between hysteresis and PWM modes or can be fixed to PWM operation.
• Features a transport mode with ultra-low operating current to preserve battery charge during storage.
• Supports full configuration via pin selection without requiring software initialization.

Battery Management Applications

• Wearable electronic devices
• Personal medical equipment
• Smart home sensors

Battery Management Procurement Notes

Verify the specific suffix 'E' against official Nordic Semiconductor documentation to confirm its exact functional definition relative to the standard nPM1100 variant. Ensure compatibility with target PCB footprint and thermal requirements. Confirm availability through authorized distributors as supply chain details may vary.

Battery Management Selection Notes

Select this PMIC for designs prioritizing minimal PCB area, with a solution size as low as 23 mm² including passive components. It is suitable for systems requiring efficient power management without complex software configuration. Consider the integrated charger and regulator capabilities for simplified bill of materials in compact battery-powered products.

Battery Management Part Context

The nPM1100 series represents Nordic Semiconductor's entry into the power management IC market, aimed at complementing their wireless SoCs. It addresses the need for highly integrated, energy-efficient power solutions in IoT and wearable markets. The device consolidates multiple power functions into a single small package to reduce design complexity and board space.

Battery Management Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Evaluate other Nordic nPM series devices or generic PMICs based on specific electrical parameter matching and pinout compatibility.