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PCA9955BTW/Q900J - NXP

Description: LED Lighting Drivers 16-Channel Constant Current LED Driver

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PCA9955BTW/Q900J - NXP PCB footprint - Small Outline Packages - Small Outline Packages - HTSSOP28
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PCA9955BTW/Q900J - NXP  - 3D model - Small Outline Packages - HTSSOP28
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PCA9955BTW/Q900J Details

  • Manufacturer Part Number:

    PCA9955BTW/Q900J

  • Brand Name:

    NXP Semiconductor

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP2

  • Package Description:

    HTSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    SOT1172-3

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    5

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    YES

  • Number of Functions:

    1

  • Number of Segments:

    16

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -20 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    21 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3.3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3.3 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

  • fmax-Min:

    1 MHz

PCA9955BTW/Q900J Frequently Asked Questions (FAQs)

  • A good thermal design should include a solid ground plane, thermal vias, and a heat sink. NXP provides a recommended PCB layout in the application note AN11555.
  • Use a pull-up resistor on the SCL and SDA lines, and ensure the I2C bus is properly terminated. Also, follow the I2C bus specification for clock stretching and bus arbitration.
  • The maximum current rating for the output drivers is 10mA per pin, but this can be increased to 20mA per pin with an external transistor or buffer.
  • Implement a fault detection mechanism using the device's built-in error flags and interrupts. Also, consider using external protection components such as TVS diodes and resistors to protect against overvoltage and ESD.
  • Power up the device in the following sequence: VCC, then VBAT, and finally the I2C bus. This ensures proper device initialization and prevents latch-up.

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PCA9955BTW/Q900J Overview

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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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