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LP3921SQX/NOPB - Texas Instruments

Description: Battery Management A 926-LP3921SQ/NOPB

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PCB Footprints
LP3921SQX/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RTV0032A 2021
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3D Models
LP3921SQX/NOPB - Texas Instruments  - 3D model - Quad Flat No-Lead - RTV0032A 2021
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LP3921SQX/NOPB Details

  • Manufacturer Part Number:

    LP3921SQX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    3.9

  • Additional Feature:

    ALSO OPERATES WITH SUPPLY VOLTAGE 4.5 TO 6V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3 V

  • JESD-30 Code:

    S-XQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    7

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.3 A

  • Output Voltage-Max:

    3.3 V

  • Output Voltage-Min:

    1.5 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    3.6 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

LP3921SQX/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer or 4-layer PCB with a solid ground plane and thermal vias to the bottom layer to dissipate heat efficiently. A minimum of 1 oz copper thickness is recommended.
  • To ensure reliable startup and shutdown, it is recommended to add a soft-start circuit to limit the inrush current and prevent voltage drops. Additionally, a capacitor can be added to the EN pin to filter out noise and ensure a clean shutdown signal.
  • The LP3921 can deliver up to 2A of output current, but this is dependent on the input voltage, output voltage, and thermal conditions. It is recommended to derate the output current based on the specific application requirements.
  • To minimize standby power consumption, it is recommended to use a low-quiescent-current (Iq) mode, disconnect the output load during shutdown, and use a low-leakage input capacitor. Additionally, the EN pin can be tied to the input voltage to reduce standby current.
  • Texas Instruments recommends using X5R or X7R ceramic capacitors with a minimum capacitance of 10uF for the input and output. The capacitor values should be selected based on the specific application requirements and operating frequency.

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LP3921SQX/NOPB 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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