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Summary of Contents for Nordic Semiconductor nPM1300
- Page 1 EK Hardware v0.9.0 User Guide 4490_387 / 2023-06-28...
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Page 2: Table Of Contents
Contents Revision history ........Environmental and safety notices . - Page 3 Use the nPM1300 EK with an nRF5340 DK ....Use the nPM1300 EK with custom hardware ....
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Page 4: Revision History
Revision history Date Description 2023-06-28 First release 4490_387... -
Page 5: Environmental And Safety Notices
Environmental and safety notices Environmental and safety notices for the nPM1300 EK and power supply requirements. Skilled persons The nPM1300 EK is intended for use only by skilled persons. A skilled person is someone with relevant education or experience that enables them to identify potential hazards and takes appropriate action to reduce the risk of injury to themselves and others. - Page 6 Environmental and safety notices 4490_387...
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Page 7: Introduction
Introduction The nPM1300 Evaluation Kit (EK) is a hardware platform used to evaluate the nPM1300 Power Management Integrated Circuit (PMIC). Key features • Dedicated Universal Serial Bus (USB) Type-C connection to power the nPM1300 PMIC • Battery connectors that support Negative Temperature Coefficient (NTC) connection for battery temperature monitoring •... - Page 8 An issue with the nPM1300 PMIC version used on this EK requires the following actions: • VSYS (P7) should be connected to LSIN2 and LSOUT2 (P15) on the EK using two jumper wires. Do not use load switch LSOUT2 for any other purpose. Refer to the nPM1300 errata for more information.
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Page 9: Minimum Requirements
Minimum requirements Before you start, check that you have the required hardware and software. Hardware requirements • USB Type-C cable with 1.5 A current capability (to power the PMIC) • USB Type-A to Type-C cable with USB 2.0 High Speed compatibility (to power the nPM Controller) •... -
Page 10: Kit Content
Kit content The nPM1300 EK includes hardware and access to software components, hardware design files, and documentation. The kit contains the following: • nPM1300 Evaluation Board with pre-mounted jumpers • Information leaflet Figure 1: nPM1300 EK Hardware files The hardware design files including schematics, Printed Circuit Board (PCB) layout files, bill of materials,... -
Page 11: Hardware Description
PMIC using the provided library and sample code. The following figures show the hardware drawings of the front and back of the nPM1300 EK. Figure 2: nPM1300 EK hardware drawing front view... -
Page 12: Block Diagram
Hardware description Figure 3: nPM1300 EK hardware drawing back view 4.1 Block diagram The block diagram illustrates the nPM1300 EK functional architecture. 4490_387... -
Page 13: Power Supply
Figure 4: nPM1300 EK block diagram 4.2 Power supply The nPM1300 EK has a flexible and configurable power supply system to allow testing with different power sources and to facilitate accurate power measurements. The EK interface for power delivery to the PMIC is via USB (VBUS) or battery (VBAT). The input voltage ranges from 2.3 V to 5.5 V, depending on the source. - Page 14 Hardware description Figure 5: Power supply options The following table shows the alternatives for connecting the main and complementary power input sources on the EK. Input source Part Connector type Comment VBUS USB-C Only USB power on this connector Main VBUS on pin 1 4.0 V to 5.5 V Pin header...
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Page 15: Battery Temperature Monitoring
In addition, the load switches or LDO outputs are available on pin headers. For more information, see Load switches/LDOs on page 20. The following figure shows the pin headers and probe loops for the power outputs on the nPM1300 EK. 4490_387... -
Page 16: I/O Pins
Figure 6: Pin headers and probe loops for power outputs 4.5 I/O pins The nPM1300 EK provides connections to status and control pins of the nPM1300 PMIC, including five GPIOs available for custom workflows. All status and control pins on the PMIC are accessible on pin headers. For default I/O pin configuration of... -
Page 17: Leds
Hardware description Figure 7: nPM1300 EK I/O pin headers 4.5.1 LEDs The nPM1300 PMIC has three programmable LED pins, located on pin header P9. LED0 LED1 LED2 Pin List 1x4 Figure 8: LED schematic The LED pins can sink constant current up to 5 mA. In addition, the pins can be configured in software to be open-drain connections. -
Page 18: Twi
PMIC GPIO4 Ground Table 3: GPIO pin functionality 4.5.3 TWI The I2C compatible TWI is used by the host device to control and monitor the nPM1300 PMIC. The TWI pins are directly accessible on pin header P11. VDD_IO Pin List 1x4... -
Page 19: Shphld
P13 and P14. 4.5.5 SHPHLD The SHPHLD input pin is available on pin header P10 (labeled CONFIG). Use SHPHLD pin to exit Ship mode and Hibernation mode. It can also be used to reset (and power cycle) nPM1300. VSET VSET1 VSET... -
Page 20: Load Switches/Ldos
Desktop. 4.6.1 nPM Controller Use the onboard nPM Controller circuit for easy interaction with the nPM1300 PMIC via the nPM PowerUP app or a terminal. To enable software control, connect nPM CONTROLLER on J4 to a computer using a compatible USB-C... -
Page 21: Software Library And Sample
Known issues with nPM1300 EK v0.9.0 on page 8. 4.7.1 VBAT jumper For the battery to be connected to the nPM1300 PMIC, a jumper must be connected between pin 1 and pin 2 on pin header P1. This connects VBAT to VBATIN. VBAT_PMIC... -
Page 22: Ntc Jumper
Table 8: NTC jumper header 4.7.3 Buck startup configuration The nPM1300 PMIC requires a startup VSET condition for the BUCK regulators. Use jumpers on P13 and P14 to connect VSET1 and VSET2 to the fixed resistors RSET1 and RSET2, or to GND. -
Page 23: Vddio Reference Voltage
Figure 17: VDDIO schematic Note: The minimum VDDIO voltage is 1.7 V. Any lower voltage can result in lost TWI communication between host and nPM1300 PMIC. 4.7.5 Load switch configuration The load switches can be connected to the BUCK regulators and two respective loads on the EK. -
Page 24: Ldo Bypass Capacitors
Table 11: Jumper configuration for LDO bypass capacitors Note: Ensure the LDO bypass capacitors are disconnected when the load switches are not in LDO mode. 4.7.7 LED jumper connections The nPM1300 EK has three LEDs for visualizing the status of the nPM1300 PMIC. VSYS VSYS VSYS... -
Page 25: Buttons
The nPM Fuel Gauge (FG) Board is an easy-to-use extension board for the nPM1300 EK, allowing battery profiling and fuel gauging in the nPM PowerUP app. To connect the nPM1300 EK to the nPM FG Board, use edge connectors P20 and P21 (denoted as EXT BOARD). - Page 26 Hardware description VSYS VBUS VDD_IO Socket 1x6, Angled EXT_GPIO TP42 EXT_GPIO TP43 Socket 1x6, Angled Figure 20: Schematic of extension board connections on EK EXT BOARD connections VSYS VBUS_MCU (nPM Controller) EXT_GPIO1 (active low) VDDIO EXT_GPIO2 Table 14: Connected nets on the nPM FG Board Note: A prototype of the nPM FG Board is available for sampling.
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Page 27: Measure Current
Measure current The nPM1300 EK can be set up to monitor current flowing into the nPM1300 PMIC, to and from the battery, and into the external application. Note: The battery charger includes automatic trickle charge control which introduces restrictions on the type of current measurement instrument used to measure VBAT. -
Page 28: Use An Oscilloscope For Current Measurements
Measure current 5.1 Use an oscilloscope for current measurements An oscilloscope measures the voltage drop across a current-measurement resistor. Set up the EK and oscilloscope according to the supply or output that you want to measure. 5.1.1 Prepare for VBAT current measurements Mount a current-measurement resistor on the EK to measure the current on VBAT with an oscilloscope. -
Page 29: Use An Ampere Meter For Current Measurements
Measure current Figure 21: Current measurements with an oscilloscope 2. Plot the voltage drop measured across the probe points and calculate the current. The measured voltage drop across the resistor is proportional to the current, depending on the resistance. For instance, a 100 mΩ... -
Page 30: Measure Vbat, Vbus, And Vout Using An Ampere Meter
Measure current • The automatic trickle charge feature requires the impedance of the measurement circuit to be constant and less than 100 mΩ. Auto ranging multimeters may automatically change resistance depending on their range, this may trigger the error state of the charger. •... -
Page 31: Use A Power Profiler Kit Ii For Current Measurements
Meter mode to measure power inputs (VBAT and VBUS). In Source Meter mode the power supply for the nPM1300 EK is from PPK2. In Ampere Meter mode the power for the EK is from an external source, with PPK2 placed in series between the EK and the load. -
Page 32: Measure Vbus Current
The Power Profiler Kit II (PPK2) is operated in Source Meter mode for this configuration. 1. Connect the PPK2 to the nPM1300 EK with the 4-pin measurement cable using the following pins: • PPK2 GND to nPM1300 EK GND on P2 (pin 4) •... -
Page 33: Measure Vout1 Or Vout2 Current
5.3.3 Measure VOUT1 or VOUT2 current The Power Profiler Kit II (PPK2) is operated in Ampere Meter mode for this configuration. Use a 4-pin cable for the pin connection between PPK2, nPM1300 EK, and the target device (nRF5340 DK in this example). - Page 34 Measure current 4. Connect the PPK2 to a computer using a USB cable. 5. Connect the nPM1300 EK to a computer using a USB cable. 6. Start the Power Profiler app. 7. Select your PPK2. 8. Select Ampere Meter as the mode.
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Page 35: Use The Npm1300 Ek With An Nrf5340 Dk
DK The nPM1300 EK can power the nRF5340 System on Chip (SoC) as a host device on the nRF5340 DK. Note: The EK only powers the nRF5340 SoC on the DK. To access the nRF5340 DK features such as flashing and debugging, the IMCU on the DK must be externally powered. - Page 36 Connect to a GPIO on DK GPIO4 P1.14 P12 pin 5 P4 pin 5 Connect to a GPIO on DK SHPHLD P1.15 Other P10 pin 3 P4 pin 6 Connect to a GPIO on DK Table 17: Connections between nPM1300 EK and nRF5340 DK 4490_387...
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Page 37: Use The Npm1300 Ek With Custom Hardware
Use the nPM1300 EK with custom hardware When the nPM1300 EK is used with custom hardware make sure they are compatible in terms of voltage and current specifications. The configuration process is similar to the nRF5340 DK, however, board specific steps will deviate. -
Page 38: Glossary
Glossary Application Programming Interface (API) A language and message format used by an application program to communicate with an operating system, application, or other service. Direct Current Development Kit (DK) A hardware development platform used for application development. Electrostatic Discharge (ESD) A sudden discharge of electric current between two electrically charged objects. - Page 39 A form of modulation used to represent an analog signal with a binary signal where the switching frequency is fixed, and all the pulses corresponding to one sample are contiguous in the digital signal. Software Development Kit (SDK) A set of tools used for developing applications for a specific device or operating system. Source Measure Unit (SMU) An electronic instrument that is capable of both sourcing and measuring at the same time.
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Page 40: Recommended Reading
Recommended reading In addition to the information in this document, you may need to consult other documents. Nordic documentation • nPM1300 Product Specification • nPM1300 EK product page 4490_387... -
Page 41: Legal Notices
Nordic Semiconductor ASA customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Nordic Semiconductor ASA for any damages resulting from such improper use or sale.
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