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R5478N218CD-TR-FF - Ricoh

Description: Battery Management 1-Cell Li-ion Battery Protection IC

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Symbol
R5478N218CD-TR-FF - Ricoh - PCB symbol
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PCB Footprints
R5478N218CD-TR-FF - Ricoh PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - SOT-23-6
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3D Models
R5478N218CD-TR-FF - Ricoh - 3D model - SOT23 (6-Pin) - SOT-23-6
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R5478N218CD-TR-FF Details

  • Manufacturer Part Number:

    R5478N218CD-TR-FF

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Transferred

  • Package Description:

    SOT-23, 6 PIN

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Ricoh Electronic Devices Co Ltd

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY PROTECTOR

  • JESD-30 Code:

    R-PDSO-G6

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Supply Current-Max (Isup):

    0.007 mA

  • Supply Voltage-Max (Vsup):

    5 V

  • Supply Voltage-Min (Vsup):

    1.5 V

  • Supply Voltage-Nom (Vsup):

    2 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +4.25V

R5478N218CD-TR-FF Frequently Asked Questions (FAQs)

  • Ricoh provides a recommended PCB layout and land pattern in their application note AN12272, which can be found on their website. It's essential to follow these guidelines to ensure proper thermal management and minimize parasitic effects.
  • Proper thermal management is crucial for the R5478N218CD-TR-FF. Ensure a sufficient copper area on the PCB for heat dissipation, use thermal vias if necessary, and consider adding a heat sink or thermal interface material (TIM) if the device will be operating in high-temperature environments.
  • The maximum allowed voltage for the EN pin is 6V. To protect it from overvoltage, use a voltage clamp or a zener diode to limit the voltage to the recommended range. Additionally, consider adding a series resistor to limit the current and prevent damage.
  • The R5478N218CD-TR-FF requires a specific power sequencing and startup procedure to ensure proper operation. Refer to the datasheet and application notes for the recommended power-up sequence, and consider using a power management IC (PMIC) to simplify the process.
  • The recommended input and output capacitors for the R5478N218CD-TR-FF are 10uF and 22uF, respectively. However, the optimal capacitor values may vary depending on the specific application and operating conditions. Consult the datasheet and application notes for more information.

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R5478N218CD-TR-FF Overview

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