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BQ4802LYPW - Texas Instruments

Description: PARALLEL REAL-TIME CLOCK WITH CPU SUPERVISOR AND EXTERNAL SRAM NONVOLATILE MEMORY BACKUP

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BQ4802LYPW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW(R-PDSO-G28)
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BQ4802LYPW - Texas Instruments  - 3D model - Small Outline Packages - PW(R-PDSO-G28)
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BQ4802LYPW Details

  • Manufacturer Part Number:

    BQ4802LYPW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    28

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    1

  • Clock Frequency-Max:

    0.032 MHz

  • External Data Bus Width:

    8

  • Information Access Method:

    PARALLEL, DIRECT ADDRESS

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    9 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time-Min:

    SECONDS

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

    30

  • Volatile:

    YES

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

BQ4802LYPW Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the power traces short and wide, and use a common ground point for the IC and the capacitors.
  • Follow the recommended power-up sequence: VCC, then EN, then VIN. Ensure the input voltage is within the specified range, and the EN pin is properly configured for the desired operating mode.
  • The BQ4802LYPW has a thermal pad that must be connected to a solid ground plane for heat dissipation. Ensure good airflow and consider using a heat sink if the device will be operating at high temperatures or high currents.
  • Check the input voltage, EN pin configuration, and output voltage settings. Verify the PCB layout and component placement meet the recommended guidelines. Use an oscilloscope to monitor the output voltage and current.
  • Yes, the BQ4802LYPW is AEC-Q100 qualified and suitable for automotive and high-reliability applications. However, ensure you follow the recommended design guidelines and testing procedures to meet the specific requirements of your application.

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BQ4802LYPW 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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