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BQ24261MRGER - Texas Instruments

Description: 1S, 3A, 30V, Single-Input Switchmode Li-Ion Battery Charger with Power Path and USB-OTG

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PCB Footprints
BQ24261MRGER - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RGE0024H-1
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3D Models
BQ24261MRGER - Texas Instruments  - 3D model - Quad Flat No-Lead - RGE0024H-1
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BQ24261MRGER Details

  • Manufacturer Part Number:

    BQ24261MRGER

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    VQFN-24

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    RECHARGE THRESHOLD VOLTAGE IS 0.12V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    S-PQCC-N24

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    2

  • 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 Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Max (Vsup):

    28 V

  • Supply Voltage-Min (Vsup):

    4.2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • 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:

    +0.12V

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

    30

  • Width:

    4 mm

BQ24261MRGER Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the power traces is recommended. Keep the input and output capacitors close to the IC and use short, wide traces for the power paths.
  • Choose an inductor with a high saturation current rating, low DCR, and a high SRF. A 10uH to 22uH inductor with a saturation current rating of 2A to 3A is a good starting point.
  • A low-ESR, X5R or X7R ceramic capacitor with a value of 4.7uF to 10uF is recommended. This helps to filter the input voltage and reduce ripple.
  • The BQ24261MRGER has a programmable charge voltage and current limit. Use the I2C interface to configure the charger for different battery chemistries, such as Li-ion, NiMH, or Lead-Acid.
  • The EN pin is an active-high enable input. Tie it to VIN or a digital output to enable the charger. Use a pull-down resistor to ensure the charger is disabled during power-up.

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BQ24261MRGER 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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