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reference designPCA9451A | Demoboard PCA9451A-EVK

NXP PCA9451A | Demoboard PCA9451A-EVK

PCA9451A Evaluation Board

Overview

TopologyOther Topology
Input voltage2.7-5.5 V
Output 13.3 V / 0.4 A
IC revision2

Description

The PCA9451A is a general purpose single chip power management IC (PMIC) designed to support different microcontrollers and microprocessors for different applications for the consumer and industrial markets. The PCA9451A provides an out-of-the-box power supply solution to support i.MX 93 family processors.The device provides six high efficiency step-down regulators, three LDOs, one 400 mA load switch, 2-channel level translator and 32.768 kHz crystal oscillator driver.This PCA9451A-EVK board provides full access to all the features in the PCA9451A device. The evaluation kit comes with a FTDI cable used as a communication interface between I²C and USB to have control of the PMIC's configuration registers using the PCA9451A GUI software.

Features

Key Features400 mA load switch with a built-in active discharge resistor32.768 kHz crystal oscillator driver and buffer outputSix High-Efficiency Step Down RegulatorsOne 4 A dual phase buck regulator with DVS feature and remote senseOne 2 A buck regulator with DVS feature and remote senseOne 3 A buck regulatorOne 2 A buck regulatorOne 1.5 A buck regulatorThree Linear RegulatorsOne Low IQ 10 mA LDOOne 150 mA LDOOne 200 mA LDO

Typical applications

  • Building Safety Detectors, Building Security and Surveillance, Circuit Breaker, Home Control Panel, In-Home Energy Display, Industrial HMI, Smart Power Socket

More information

Parts approved by NXP

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Order Code
Data­sheet
Downloads
Status
Product series
Pins
Type
Mount
IR(A)
Working Voltage(V (AC))
Operating Temperature
Packaging
Poles
L(mm)
Vaporphase process
SamplesAvailability & Sample
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416131160801
SPECWS-DISV Small Compact SMT Flat Actuator with Top Tape 1.27 mm, 1, –
Availability
–
Downloads6 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWS-DISV Small Compact SMT Flat Actuator with Top Tape 1.27 mm
Pins1 
–
–
–
–
Operating Temperature -40 °C up to +85 °C
PackagingTape and Reel 
Poles1 
Length2.44 mm
Vaporphase processYes 
–Check availability
61300111121
SPECWR-PHD Pin Header - Single, 1, Straight
Availability
–
Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
Pins1 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
PackagingBag 
–
Length2.54 mm
–
–Check availability
61300211121
SPECWR-PHD Pin Header - Single, 2, Straight
Availability
–
Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
Pins2 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
PackagingBag 
–
Length5.08 mm
–
–Check availability
61300311121
SPECWR-PHD Pin Header - Single, 3, Straight
Availability
–
Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Single
Pins3 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
PackagingBag 
–
Length7.62 mm
–
–Check availability
61300621121
SPECWR-PHD Pin Header - Dual, 6, Straight
Availability
–
Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Dual
Pins6 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
PackagingBag 
–
Length7.62 mm
–
–Check availability
61301621121
SPECWR-PHD Pin Header - Dual, 16, Straight
Availability
–
Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header - Dual
Pins16 
TypeStraight 
MountTHT 
Rated Current3 A
Working Voltage250 V (AC)
Operating Temperature -40 °C up to +105 °C
PackagingBag 
–
Length20.32 mm
–
–Check availability

Additional parts recommended by Würth Elektronik

Recommended parts are Würth Elektronik alternatives that are not formally approved for this reference design. Please verify it is suitable for your application, and contact us if you have any questions.

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IR(A)
ISAT1(A)
ISAT2(A)
RDC max.(mΩ)
fres(MHz)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
VOP(V)
Mount
SamplesAvailability & Sample
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744383240047
SPECWE-MAPI SMT Power Inductor, 0.47 µH, 3.4 A
Simu­lation
Availability
–
Downloads10 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-MAPI SMT Power Inductor
Inductance0.47 µH
Rated Current3.4 A
–
–
DC Resistance40 mΩ
Self Resonant Frequency145 MHz
Performance Rated Current5.35 A
Saturation Current @ 30%8 A
DC Resistance30 mΩ
Operating Voltage80 V
MountSMT 
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74479276147
SPECWE-PMCI Power Molded Chip Inductor, 0.47 µH, 5.4 A
Simu­lation
Availability
–
Downloads10 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PMCI Power Molded Chip Inductor
Inductance0.47 µH
Rated Current5.4 A
Saturation Current 12.95 A
Saturation Current 26.3 A
DC Resistance30 mΩ
Self Resonant Frequency165 MHz
Performance Rated Current5.4 A
Saturation Current @ 30%6.3 A
DC Resistance26 mΩ
–
MountSMT 
–Check availability