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TSS521D - Texas Instruments

Description: Meter-Bus Transceiver

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TSS521D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G16)
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TSS521D - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G16)
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TSS521D Details

  • Manufacturer Part Number:

    TSS521D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Interface IC Type:

    INTERFACE CIRCUIT

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max:

    3.8 V

  • Supply Voltage-Min:

    2.5 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

TSS521D Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the TSS521D. Ensure a solid ground plane, keep the input and output traces short and separate, and use a common mode choke to reduce EMI. TI provides a recommended layout in their application notes.
  • The input capacitor value depends on the input voltage, frequency, and desired ripple voltage. A general rule of thumb is to use a capacitor with a value between 1uF to 10uF, with a voltage rating higher than the input voltage. TI provides a capacitor selection guide in their application notes.
  • The maximum output current of the TSS521D is 1A. However, it's recommended to derate the output current based on the ambient temperature and desired reliability. TI provides a derating curve in the datasheet.
  • To ensure stability, follow the recommended PCB layout, use a suitable input capacitor, and add a compensation capacitor (Ccomp) between the Vout and Vin pins. The value of Ccomp depends on the output voltage and load capacitance. TI provides a stability analysis guide in their application notes.
  • The EN (Enable) pin is used to turn the regulator on or off. When EN is high, the regulator is enabled, and when EN is low, the regulator is disabled. Use a logic-level signal to control the EN pin, and ensure it's properly bypassed to prevent noise coupling.

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TSS521D Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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