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MAX77859AEWO+T - Analog Devices

Description: 2.5V to 22V Input, 7.8A Switching Current High-Efficiency Buck-Boost Converter for USB-PD/PPS Applications

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MAX77859AEWO+T - Analog Devices - PCB symbol
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MAX77859AEWO+T - Analog Devices PCB footprint - BGA - BGA - MAX77859AEWO+T
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MAX77859AEWO+T - Analog Devices - 3D model - BGA - MAX77859AEWO+T
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MAX77859AEWO+T Details

  • Manufacturer Part Number:

    MAX77859AEWO+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    42-WLCSP-N/A

  • Package Description:

    WLP-42

  • Pin Count:

    42

  • Manufacturer Package Code:

    42-WLCSP-N/A

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2023-06-13

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    22 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    7.6 V

  • JESD-30 Code:

    R-PBGA-B19

  • Length:

    3.008 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    42

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6 A

  • Output Voltage-Max:

    20 V

  • Output Voltage-Min:

    3 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA42,6X7,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.69 mm

  • Supply Current-Max (Isup):

    0.0078 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    2270 kHz

  • Technology:

    CMOS

  • Terminal Finish:

    Tin/Silver/Copper/Nickel (Sn/Ag/Cu/Ni)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    2.778 mm

MAX77859AEWO+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX77859AEWO+T involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane to reduce noise and EMI.
  • The selection of input and output capacitors for the MAX77859AEWO+T depends on the specific application requirements. In general, it's recommended to use low-ESR capacitors with a capacitance value of 10uF to 22uF for the input and output. The capacitor voltage rating should be at least 1.5 times the maximum input voltage. Additionally, the capacitor should be able to handle the ripple current and have a low equivalent series resistance (ESR) to minimize power loss.
  • The MAX77859AEWO+T has an operating ambient temperature range of -40°C to +85°C. However, the device can operate up to +105°C with derating. It's recommended to follow the thermal derating guidelines provided in the datasheet to ensure reliable operation.
  • The MAX77859AEWO+T has a programmable output voltage that can be set using an external resistor divider network. The output voltage can be calculated using the formula provided in the datasheet. The resistor values should be chosen to ensure that the output voltage is within the desired range and that the feedback pin voltage is within the recommended range of 0.8V to 1.2V.
  • The MAX77859AEWO+T has a maximum output current capability of 3A. However, the actual output current capability may be limited by the input voltage, output voltage, and the thermal performance of the device. It's recommended to follow the thermal derating guidelines provided in the datasheet to ensure reliable operation.

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MAX77859AEWO+T Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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