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Summary of Contents for NXP Semiconductors PF9453
- Page 1 UM12319 PF9453 QFN - EVB evaluation board user manual Rev. 1.0 — 2 May 2025 User manual Document information Information Content Keywords PF9453, PMIC, i.MX91X, i.MX93X Abstract This document describes the operation of the PF9453 QFN - EVB evaluation board.
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Page 2: Introduction
IoT, smart appliance, and portable applications. This document is the user manual for the PF9453 QFN evaluation kit. It is intended for the engineers involved in the evaluation, design, implementation, and validation of this single PMIC PF9453. -
Page 3: Finding Kit Resources And Information On The Nxp Website
Working with this evaluation board requires the evaluation kit components, additional hardware, and a Windows PC workstation with installed software. 5.1 Evaluation kit components • One PF9453 evaluation board, which allows the evaluation of functions and features. • One USB-Type C cable. 5.2 Additional hardware In addition to the kit components, the following hardware are recommended when working with this kit. -
Page 4: Getting To Know The Hardware
6.1 Kit overview This evaluation board features the PF9453 PMIC. The kit integrates all hardware needed to evaluate the PMIC and a communication bridge based on FTDI to interface with the PF9453 GUI software interface to configure and control the PMIC. -
Page 5: Kit Featured Components
UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual – Fm+ 1 MHz I2C interface (via FTDI USB to I2C IC). 6.2 Kit featured components Figure 2 helps to identify the different main sections on the board. Figure 2. Evaluation board featured component locations 1. -
Page 6: Default Jumper Configuration
UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual 8. BUCK1, BUCK2 and LDO_SNVS sensing test points. 9. LDO1, LDO2, LDO_SNVS, BUCK2 and BUCK1 power tests points. 10. I2C headers and tests points. 11. FTDI (I2C to USB IC) 6.3 Default jumper configuration... - Page 7 UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual Table 1. Evaluation board jumper descriptions Name Default Description CLOSED Connects BUCK1_OUT voltage to ADC0 channel. 1 to 2 Select source voltage for VSYS and PSYS (PMIC input voltage): • 1 to 2 → PMIC input voltage comes from the USB type C connector.
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Page 8: Test Points
UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual Table 1. Evaluation board jumper descriptions ...continued Name Default Description • 2 to 3 → SLC connected to J53 Arduino connector. 1 to 2 Select an SDA connection: • 1 to 2 → SDA connected to the FTDI IC. - Page 9 UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual Table 2. Table 2. Evaluation board test point descriptions Name Signal Description VPWR Power test point for VPWR voltage (external input voltage for the PMIC) GND test point GND test point...
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Page 10: Connectors
Power test point for VPWR voltage (external input voltage for the PMIC) GND test point 6.7 FRDM/Arduino connectors FRDM/Arduino connectors J53, J54 and J55, are used to have access to the digital pins of the PF9453 by using a FRDM or Arduino board to monitor and set. Table Table 4 explains each of the pins included in these connectors. -
Page 11: Evaluation Kit Connections And Configuration
UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual Table 4. FRMD/Arduino connectors J54, J53, J55 ...continued Name Signal Type Description POR_B_ Power-on reset output pin. Open drain output requiring external pull-up J55-05 Output FRDM resistor. LSW_EN_ Load switch enable input pin. It has internal 1.5 Ω pull down resistor or... -
Page 12: Configure And Power The Board
7.2 Configure and power the board Refer to the Figure 4 and follow the next steps to test the PF9453 QFN – EVB. Make sure that all jumpers are in the default positions before starting. (See section Section 6.3) and no other cables are connected to the PF9453 QFN –... -
Page 13: Default Power Configuration
UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual 2. Connect the USB-Type C to the PF9453 QFN –EVB. See that the green LED D4 is ON, refer to Figure 4 circle with number 2. Note: With this configuration, use the USB-Type C connector as the power supply. Consider not connecting loads that may demand more power than the USB-Type C supply can deliver. - Page 14 PF9453 QFN - EVB evaluation board user manual Figure 5. Using an external power supply Follow the next steps to start testing the PF9453 QFN – EVB with an external power supply. Before starting make sure that all jumpers are in the default position. (See section Section 6.3) and no other cables are...
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Page 15: Pf9453 Qfn Gui
If the connection was successfully done, see in the interrupt sheet: the device ID information (see Figure number 5), the name of the device PF9453, the revision of the devices, that is, 0x0 and the green button with the legend “connected” (see Figure 6, number 6). -
Page 16: Register Table Section
UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual Note: If there is an issue connecting with the PF9453 GUI be sure you have the FTDI drivers installed, refer to section Section 5.4 for more details. 8.3 Register table section The registers are categorized as shown below: •... -
Page 17: Jumper Configuration
Select the Load switch tab from the register table selection. From here: It is possible to change all the configuration registers for the load switch of the PF9453, enable the active discharge resistor, change enable modes, and configure the different protection mechanisms. -
Page 18: Revision History
UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual 10 Revision history Table 5. Revision history Document ID Release date Description UM12319 v.1.0 2 May 2025 Initial version UM12319 All information provided in this document is subject to legal disclaimers. -
Page 19: Legal Information
NXP Semiconductors. In the event that customer uses the product for design-in and use in In no event shall NXP Semiconductors be liable for any indirect, incidental, automotive applications to automotive specifications and standards, punitive, special or consequential damages (including - without limitation - customer (a) shall use the product without NXP Semiconductors’... - Page 20 UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual Tables Tab. 1. Evaluation board jumper descriptions ....7 Tab. 3. Main input power connectors ......10 Tab. 2. Table 2. Evaluation board test point Tab. 4. FRMD/Arduino connectors J54, J53, J55 ..10 descriptions ............
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Page 21: Table Of Contents
UM12319 NXP Semiconductors PF9453 QFN - EVB evaluation board user manual Contents Introduction ............2 PF9453 key features ........2 Applications ............. 2 Finding kit resources and information on the NXP website .........3 Collaborate in the NXP community ....3 Getting ready ........... 3 Evaluation kit components .........3...
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