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BQ25619ERTWR - Texas Instruments

Description: Battery Management I2C controlled 1-cell, 1.5-A, battery charger with 20-mA termination

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Symbol
BQ25619ERTWR - Texas Instruments - PCB symbol
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PCB Footprints
BQ25619ERTWR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RTW (S-PWQFN-N24)
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3D Models
BQ25619ERTWR - Texas Instruments - 3D model - Quad Flat No-Lead - RTW (S-PWQFN-N24)
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BQ25619ERTWR Details

  • Manufacturer Part Number:

    BQ25619ERTWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2020-11-07

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    13.5 V

  • Input Voltage-Min:

    3.9 V

  • JESD-30 Code:

    S-PQCC-N24

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    3.2 mA

  • Supply Voltage-Max (Vsup):

    13.5 V

  • Supply Voltage-Min (Vsup):

    3.9 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Threshold Voltage-Nom:

    +4.7V

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

    30

  • Width:

    4 mm

BQ25619ERTWR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the power traces is recommended. The datasheet provides a recommended layout, but it's essential to follow good PCB design practices to minimize noise and ensure efficient power conversion.
  • The BQ25619ERTWR has a programmable charging current and voltage. You can adjust the charging current by adjusting the sense resistor (RSENSE) and the charging voltage by adjusting the voltage regulator (VREG) output. Consult the datasheet for the calculation formulas and recommended values for your specific battery.
  • The BQ25619ERTWR is rated for operation from -40°C to 85°C. However, the device's performance and reliability may degrade at extreme temperatures. Ensure proper thermal design and heat dissipation to maintain optimal performance.
  • The BQ25619ERTWR has a built-in overcharge protection feature. You can set the overcharge voltage threshold using the OVREG pin. The device will automatically terminate charging when the battery voltage reaches the set threshold. Consult the datasheet for the recommended settings and implementation details.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor (CIN). This helps to filter the input voltage and reduce noise. Consult the datasheet for the recommended capacitor characteristics and placement guidelines.

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BQ25619ERTWR 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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