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UCC3957M-1 - Texas Instruments

Description: Texas Instruments UCC3957M-1, Lithium-Ion, Li-Ion Protector Circuit 16-Pin, SSOP

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UCC3957M-1 - Texas Instruments - PCB symbol
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UCC3957M-1 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBQ (R-PDSO-G16)
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UCC3957M-1 - Texas Instruments - 3D model - Small Outline Packages - DBQ (R-PDSO-G16)
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UCC3957M-1 Details

  • Manufacturer Part Number:

    UCC3957M-1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    QSOP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    SELECTABLE THREE OR FOUR CELL OPERATION, OVERCURRENT PROTECTION

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY PROTECTOR

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -20 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    0.04 mA

  • Supply Voltage-Max (Vsup):

    20 V

  • Supply Voltage-Min (Vsup):

    6.5 V

  • Supply Voltage-Nom (Vsup):

    16 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

UCC3957M-1 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLUA271, which includes guidelines for component placement, trace routing, and thermal management to minimize noise and ensure reliable operation.
  • The input capacitor should be selected based on the input voltage, current, and frequency. A low-ESR capacitor with a value between 10uF to 100uF is recommended. The capacitor should also be rated for the maximum input voltage and have a low impedance at the switching frequency.
  • The UCC3957M-1 can operate in ambient temperatures up to 85°C, but the junction temperature should not exceed 150°C. The device should be derated for temperatures above 70°C to ensure reliable operation.
  • Troubleshooting issues with the UCC3957M-1 typically involves checking the PCB layout, component values, and input/output voltage and current waveforms. Texas Instruments provides a troubleshooting guide in the application note SLUA272, which includes steps to identify and resolve common issues.
  • Yes, the UCC3957M-1 can be used in a synchronous rectification topology, but it requires additional components and design considerations. Texas Instruments provides a design example and guidelines for synchronous rectification in the application note SLUA273.

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UCC3957M-1 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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