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BQ24770RUYR - Texas Instruments

Description: 1-4S SMBus NVDC Battery Charge Controller with System Power Monitor & Processor Hot Indicator

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PCB Footprints
BQ24770RUYR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RUY0028A
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3D Models
BQ24770RUYR - Texas Instruments  - 3D model - Quad Flat No-Lead - RUY0028A
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BQ24770RUYR Details

  • Manufacturer Part Number:

    BQ24770RUYR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    WQFN-28

  • Pin Count:

    28

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY MONITOR/PROTECTOR

  • Input Voltage-Max:

    24 V

  • Input Voltage-Min:

    4.5 V

  • JESD-30 Code:

    S-PQCC-N28

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    5 mA

  • Supply Voltage-Max (Vsup):

    24 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn); Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

BQ24770RUYR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the high-current paths short and wide, and use thermal vias to dissipate heat.
  • Choose an inductor with a high saturation current rating, low DCR, and a suitable inductance value (e.g., 1-2.2 μH). Consider the inductor's physical size, core material, and operating frequency.
  • Use a low-ESR, high-temperature-rated capacitor (e.g., X5R or X7R) with a value of 10-22 μF. Ensure the capacitor is rated for the input voltage and can handle the ripple current.
  • Implement overvoltage protection, overcurrent protection, and thermal monitoring. Ensure the charger is designed to meet safety standards (e.g., IEC 62368-1) and follows the battery manufacturer's guidelines.
  • The VREG pin is used to regulate the internal voltage regulator. Connect a capacitor (e.g., 1 μF) from VREG to GND to filter the internal voltage regulator output.

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BQ24770RUYR 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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Part Image BQ24770RUYT Texas Instruments

BATTERY MONITOR/PROTECTOR, Adjustable, 1 Channel, PQCC28