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FAN54120UC420X - onsemi

Description: Fully integrated charger for Single Cell Li-Ion or Li-Polymer battery; Factory Configured Charge Voltage; Charge Voltage Accuracy: (+/-0.5%) and charge current accuracy (+/-4%); User determined Fast charge Current via external resistor; Small foot print; Ultra low Battery Discharge Current (<120nA); 28 V Absolute Maximum Input Voltage; True Reverse Current Blocking; Adaptive Thermal Regulation; Supports JEITA Safe-to-Charge operation with an external NTC; "Power Back" functionality to power accessories from

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FAN54120UC420X - onsemi PCB footprint - BGA - BGA - WLCSP6 1.36x0.76x0.581 CASE 567XQ ISSUE O
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FAN54120UC420X - onsemi  - 3D model - BGA - WLCSP6 1.36x0.76x0.581 CASE 567XQ ISSUE O
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FAN54120UC420X Details

  • Manufacturer Part Number:

    FAN54120UC420X

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    WLCSP6 1.36x0.76x0.581

  • Manufacturer Package Code:

    567XQ

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2019-11-20

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    R-PBGA-B6

  • Length:

    1.36 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -30 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA6,2X3,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.622 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    4 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    OTHER

  • Terminal Finish:

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

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

  • Threshold Voltage-Nom:

    +4.2V

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

    30

  • Width:

    0.76 mm

FAN54120UC420X Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias under the IC is recommended. Keep the thermal path short and use a thermal pad on the bottom side of the PCB.
  • Ensure the input voltage is within the recommended range (4.5V to 5.5V). Apply power to the VIN pin, then configure the device using the EN and SYNC pins according to the datasheet.
  • The FAN54120UC420X can deliver up to 2A of output current per channel, but this may vary depending on the input voltage, output voltage, and thermal conditions.
  • The device has built-in overcurrent protection and fault detection. Monitor the FAULT pin for fault indications. In case of an overcurrent event, the device will limit the output current and assert the FAULT pin.
  • A 10uF to 22uF X5R or X7R ceramic capacitor is recommended for input decoupling. Place the capacitor close to the VIN pin and ensure it can handle the input voltage and ripple current.

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FAN54120UC420X Overview

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