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ISL22346WFRT20Z-TK - Renesas Electronics

Description: The ISL22346 integrates four digitally controlled potentiometers (DCP) and non-volatile memory on a monolithic CMOS integrated circuit. The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches. The position of the wipers are controlled by the user through the I2C bus interface. Each potentiometer has an associated volatile Wiper Register (WR) and a non-volatile Initial Value Register (IVR) that can be directly written to and read by the user. The cont

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ISL22346WFRT20Z-TK - Renesas Electronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - L20.4x4A_
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ISL22346WFRT20Z-TK - Renesas Electronics  - 3D model - Quad Flat No-Lead - L20.4x4A_
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ISL22346WFRT20Z-TK Details

  • Manufacturer Part Number:

    ISL22346WFRT20Z-TK

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TQFN

  • Package Description:

    TQFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    L20.4X4A

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Date Of Intro:

    2017-10-05

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    6

  • Control Interface:

    2-WIRE SERIAL

  • Converter Type:

    DIGITAL POTENTIOMETER

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Positions:

    128

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • 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

  • Resistance Law:

    LINEAR

  • Resistance Tolerance-Max:

    20%

  • Resistor Terminal Voltage-Max:

    5.5 V

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Coefficient-Nom:

    50 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Total Resistance-Nom:

    10000 Ω

  • Width:

    4 mm

ISL22346WFRT20Z-TK Frequently Asked Questions (FAQs)

  • Renesas provides a recommended PCB layout guide in their application note AN1995, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
  • The ISL22346WFRT20Z-TK has a thermal pad that must be connected to a thermal plane on the PCB to dissipate heat. Renesas recommends using a thermal interface material (TIM) and a heat sink if necessary, and provides thermal management guidelines in their application note AN1995.
  • Renesas recommends a specific power-up sequence to ensure proper operation and prevent damage to the device. The recommended sequence is to power up the VCC supply first, followed by the VDD supply, and then the input signals. The power-down sequence should be reversed.
  • Renesas provides a troubleshooting guide in their application note AN1995, which includes steps to identify and resolve common issues such as output voltage errors, oscillations, and thermal shutdown. Additionally, Renesas offers technical support and evaluation boards to help with debugging.
  • Renesas recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF for the input capacitor, depending on the specific application requirements. The capacitor should be placed as close as possible to the device's input pins.

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