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PCA9956BTWY - NXP

Description: NXP - PCA9956BTWY - LED DRIVER, CONSTANT CURRENT, HTSSOP-38

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PCA9956BTWY Details

  • Manufacturer Part Number:

    PCA9956BTWY

  • Brand Name:

    NXP Semiconductor

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    HTSSOP-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    SOT1331-1

  • 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-G38

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    3

  • Multiplexed Display Capability:

    YES

  • Number of Functions:

    1

  • Number of Segments:

    24

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP38,.25,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    21 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

  • fmax-Min:

    0.1 MHz

PCA9956BTWY Frequently Asked Questions (FAQs)

  • The maximum current rating for each output channel is 10mA. However, it's recommended to limit the current to 5mA per channel for reliable operation.
  • To ensure proper power-up and initialization, make sure to follow the recommended power-up sequence: VCC, then SCL, then SDA. Also, ensure that the reset pin (RST) is pulled high during power-up.
  • The recommended clock frequency for the I2C interface is between 10kHz and 400kHz. However, the PCA9956BTWY can operate up to 1MHz clock frequency.
  • The PCA9956BTWY has built-in LED fault detection and reporting capabilities. To handle faults, monitor the Fault Register (register 0x0E) and the Fault Status Register (register 0x0F) for fault detection and reporting.
  • The OTP memory is used to store the device's configuration data, such as the I2C address and other settings. This data is programmed during manufacturing and cannot be changed later.

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PCA9956BTWY 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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