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BQ24735RGRT - Texas Instruments

Description: 1-4 Cell Li+ Battery SMBus Charge Controller for Supporting Turbo Boost Mode

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BQ24735RGRT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RGR (S-PVQFN-N20)_1
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BQ24735RGRT - Texas Instruments  - 3D model - Quad Flat No-Lead - RGR (S-PVQFN-N20)_1
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BQ24735RGRT Details

  • Manufacturer Part Number:

    BQ24735RGRT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    20

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ADJUSTABLE OUTPUT FROM 0V TO 3.3V

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY MONITOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    24 V

  • Input Voltage-Min:

    4.5 V

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    3.5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Nom:

    6 V

  • 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 Current-Max (Isup):

    3 mA

  • Supply Voltage-Max (Vsup):

    24 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1100 kHz

  • 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:

    +3.75V

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

    30

  • Width:

    3.5 mm

BQ24735RGRT 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 DC resistance, and a suitable inductance value (e.g., 1-10 μH). Consider the inductor's physical size, core material, and operating frequency.
  • Use a low-ESR ceramic capacitor (e.g., X5R or X7R) with a value between 10-22 μF. The capacitor should be rated for the input voltage and have a low impedance at the switching frequency.
  • The output voltage is set by the resistor divider network (RFBT and RFB) connected to the FB pin. Use the formula in the datasheet to calculate the resistor values for the desired output voltage.
  • The EN pin is an active-high enable input. Connect it to a logic high (e.g., VCC) to enable the converter, or to a logic low (e.g., GND) to disable it. Use a pull-up resistor if the EN pin is not driven.

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BQ24735RGRT 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 BQ24735RGRR Texas Instruments

Adjustable, 1 Channel, +3.75V, PQCC20