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LP3947ISD-09/NOPB - Texas Instruments

Description: USB/AC Adaptor, Single Cell Li-Ion Battery Charger IC

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LP3947ISD-09/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LP3947ISD-09/NOPB - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - NHL0014B
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LP3947ISD-09/NOPB - Texas Instruments - 3D model - Small Outline No-lead - NHL0014B
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LP3947ISD-09/NOPB Details

  • Manufacturer Part Number:

    LP3947ISD-09/NOPB

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SON

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    RESTART THRESHOLD VOLTAGE FOR 4.1V CELL IS 3.9V AND 4.2V CELL IS 4V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    4.3 V

  • JESD-30 Code:

    S-PDSO-N14

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC14,.16,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.15 mA

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    4.3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +3.9V

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

    30

  • Width:

    4 mm

LP3947ISD-09/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the application note SLVAU65, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The LP3947ISD-09/NOPB has a power-on reset (POR) circuit that ensures the device is properly configured during startup. It is recommended to follow the power-up sequencing guidelines in the datasheet and to use a capacitor on the EN pin to filter out noise and ensure a clean startup.
  • The LP3947ISD-09/NOPB can drive a maximum capacitive load of 10nF on the output pins. Exceeding this limit may cause instability or oscillations in the output voltage.
  • Texas Instruments provides a troubleshooting guide in the application note SLVAU64, which includes a step-by-step approach to identifying and resolving common issues with the LP3947ISD-09/NOPB. Additionally, the device's internal registers can be accessed through the I2C interface to monitor and adjust its operation.
  • Yes, the LP3947ISD-09/NOPB is compatible with lead-free soldering processes and meets the requirements of the RoHS (Restriction of Hazardous Substances) directive.

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LP3947ISD-09/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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