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PCA9451AHNY - NXP

Description: Six high-efficiency step down regulators – One 4 A dual phase buck regulator with DVS feature and remote sense – One 2 A buck regulator with DVS feature and remote sense – One 3 A buck regulator – One 2 A buck regulator – One 1.5 A buck regulator • Three linear regulators – One Low IQ 10 mA LDO – One 150 mA LDO – One 200 mA LDO • 400 mA load switch with a built-in active discharge resistor • 32.768 kHz crystal oscillator driver and buffer output • Two channel logic level translator • Power cont

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PCA9451AHNY - NXP - PCB symbol
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PCB Footprints
PCA9451AHNY - NXP PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - HVQFN56 (SOT949-6)_1
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3D Models
PCA9451AHNY - NXP - 3D model - Quad Flat No-Lead - HVQFN56 (SOT949-6)_1
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PCA9451AHNY Details

  • Manufacturer Part Number:

    PCA9451AHNY

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    HVQFN-56

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    19 Weeks

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    12

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    INTEGRATED POWER MANAGEMENT UNIT

  • JESD-30 Code:

    S-PQCC-N56

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    56

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC56,.27SQ,16

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3.8 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7 mm

PCA9451AHNY Frequently Asked Questions (FAQs)

  • A symmetrical layout with a solid ground plane, short traces, and minimal vias is recommended. Keep the analog and digital sections separate, and use a common ground point for the analog and digital grounds.
  • Use a shielded enclosure, keep the device away from high-frequency sources, and use a common mode choke or ferrite bead on the USB lines to reduce EMI. Also, ensure proper grounding and decoupling.
  • The maximum cable length supported is 3 meters, as per the USB 2.0 specification. However, the actual length may vary depending on the cable quality and environment.
  • Yes, PCA9451AHNY is backward compatible with USB 3.0 and USB 3.2 hosts, but it will operate at USB 2.0 speeds.
  • The device has an internal voltage regulator, but it's recommended to use an external voltage regulator for better power management. Also, ensure proper power sequencing and decoupling to prevent voltage drops.

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PCA9451AHNY Overview

Use the download button to access the PCA9451AHNY schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like PCA94, or try a keyword search, such as Power Management Circuits

About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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