Door 9 – nPM1304 / nPM1300 Power Management IC
nPM1304
Highly integrated PMIC with support for small size battery products
The nPM1304 is a highly integrated, ultra-low power Power Management IC (PMIC) designed for compact battery-powered devices like smart rings, body sensors or small size battery applications. It supports charging currents down to 4 mA and features industry-first precision fuel gauging using Nordic’s algorithm-based method, which combines voltage, current, and temperature data with a battery model for accurate charge estimation—without the drawbacks of traditional coulomb counters.
Key system management functions—such as hard reset, watchdog, power loss warning, and boot recovery—are accessible via an I2C-compatible Two Wire Interface (TWI), reducing the need for separate components and simplifying design.
The nPM1304 efficiently powers Nordic’s nRF52, nRF53, nRF54L, and nRF54H SoCs, as well as other microcontrollers, while maintaining a compact footprint.
Key benefits
- Intelligent system management features eliminate the need for discrete system management components like dedicated button-reset ICs and external watchdogs
- Ultra low-power, accurate fuel gauging capabilities for battery state-of-charge monitoring and battery runtime estimation
- USB-C compatible battery charger for single-cell Lithium-ion, Lithium-polymer and Lithium iron phosphate batteries up to 4.65 V
Key features
- 4 – 100 mA battery charger
- Two 200 mA buck DCDC regulators
- Two 100 mA Load switches / 50 mA LDOs
- 370 nA Ship Mode & 500 nA Hibernate mode
- Hard reset for one or two buttons
- Fuel gauge
- System-level watchdog and failed-boot recovery
- Intelligent power loss warning
- Five GPIOs
- Three LED drivers
- Controlled via I²C compatible TWI
- USB-C compatible
Getting started
NPM1304-CAAA-R
3.1 x 2.4 mm
WLCSP
NPM1304-QEAA-R
5 x 5 mm
QFN32
nPM1304
Evaluation Kit
nPM1300
Power Management IC with unique system management features
The nPM1300 is a highly integrated Power Management IC (PMIC) for rechargeable, battery‑powered products, designed to pair especially well with Nordic’s nRF52, nRF53, nRF54L/H and nRF91 Series devices but also usable with non‑Nordic hosts.
It combines a linear Li‑ion/Li‑poly/LiFePO₄ charger (32–800 mA), two 200 mA buck DC/DC regulators, and two dual‑purpose 50 mA LDO / 100 mA load switches, plus an unregulated high‑current rail, enabling efficient multi‑rail power schemes with very few external components.
It also integrates system features such as ultra‑low‑power Ship and Hibernate modes, fuel gauging, system‑level watchdog, power‑loss warning, failed‑boot recovery, hard reset logic, GPIOs, and LED drivers, all controlled via an I²C‑compatible TWI interface and with USB‑C compatible input.
Key benefits
- Intelligent system management features eliminate need for discrete system management components like dedicated button-reset ICs and external watchdogs
- Ultra low-power, accurate fuel gauging capabilities, for battery state-of-charge monitoring and battery runtime estimation
- USB-C compatible battery charger for single-cell Lithium-ion, Lithium-polymer and Lithium iron phosphate batteries up to 4.45 V.
Key features
- Highly efficient PMIC with built-in system management features
- Accurate fuel gauge with host SoC/MCU
- Watchdog and boot timer
- Power loss warning y Button hard-reset
- 800 mA battery charger
- Supports Li-ion, Li-poly and LiFePO4 batteries
- Four individually controllable power rails
- Two highly efficient buck regulators with a 200 mA current limit
- Two 100 mA load switches or 50 mA LDOs
- Input regulator with USB support
- USB-C compatible
- Ship- and hibernate modes
- Five GPIOs and three LED drivers
- -40°C to 85°C operating temperature
Getting started
NPM1300-CAAA-R
3.1 x 2.4 mm
WLCSP
NPM1300-QEAA-R
5 x 5 mm
QFN32
nPM1300
Evaluation Kit
Fuel gauging
Ultra-low power high precision fuel gauging for small battery products
The nPM1304 PMIC brings unique system management features and accurate fuel gauging for low power and size constrained applications. Nordic’s algorithm-based fuel gauge method uses voltage, current, and temperature monitoring together with a mathematical battery model to estimate battery state of charge. This method yields an accuracy comparable to that of dedicated fuel gauge devices such as coulomb counters, but without the additional power consumption and inherent error accumulation.
A dedicated fuel gauge device can use as much as 50µA when the product is active and 7µA in sleep. For a product with e.g. a 200µA average current consumption, the traditional fuel gauging represents an unsustainable share of the total energy budget. The nPM1304 using 8µA active and zero current in sleep provides accurate state-of-charge estimates with no noticeable shortening of battery life.
The estimation algorithm can be run on Nordic’s low power wireless connectivity Systems-on-Chip (SoCs) in addition to other microcontrollers (MCUs), and does not require additional hardware beyond this.
Participate and Win!
How does the competition work?
You can win a Chipolo LOOP or CARD and a Nordic DevKit of your choice on behalf of your company.
To enter, select which Chipolo finder you would like to receive, as well as which Nordic boards you would like to win (you can select multiple options, and the lottery will decide which one you may win).
Fill out the form now and, with a little luck, you will receive the combination of your wishes: