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LP877020RHBRQ1 - Texas Instruments

Description: Dual buck converter and 5-V boost with diagnostic functions

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PCB Footprints
LP877020RHBRQ1 - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHB0032N
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3D Models
LP877020RHBRQ1 - Texas Instruments  - 3D model - Quad Flat No-Lead - RHB0032N
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LP877020RHBRQ1 Details

  • Manufacturer Part Number:

    LP877020RHBRQ1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    VQFN-32

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2020-03-10

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES IN PFM CONTROL TECHNIQUE

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-PQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    3

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.5 A

  • Output Voltage-Max:

    5.2 V

  • Output Voltage-Min:

    0.7 V

  • Output Voltage-Nom:

    1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100; ATEX

  • Seated Height-Max:

    0.9 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    4000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

LP877020RHBRQ1 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer to improve thermal performance. Additionally, it's recommended to have a minimum of 2 oz copper thickness and to use thermal vias to connect the exposed pad to the ground plane.
  • To ensure proper power-up and configuration, follow the recommended power-up sequence: VCC, then VIO, and finally EN. Also, make sure to tie the MODE pin to VCC or GND according to the desired operating mode, and configure the I2C address by connecting the A0 and A1 pins to VCC or GND.
  • The maximum current draw from the LDO outputs (VOUT1, VOUT2, and VOUT3) is 150 mA each. However, the total current draw from all LDO outputs should not exceed 300 mA to ensure reliable operation.
  • The LP877020RHBRQ1 has a built-in thermal shutdown feature that activates when the junction temperature exceeds 150°C. To handle this feature, ensure proper thermal design and layout, and consider adding thermal monitoring and shutdown detection circuitry to your design.
  • Texas Instruments recommends using a 1 μF to 10 μF ceramic capacitor with an X5R or X7R dielectric at the LDO inputs (VIN1, VIN2, and VIN3) to ensure stable operation and minimize noise.

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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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