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LTC2943CDD#TRPBF - Analog Devices

Description: Battery Management 20V Battery Gas Gauge with Voltage, Current & Temperature Measurement

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LTC2943CDD#TRPBF - Analog Devices - PCB symbol
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LTC2943CDD#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - 8-Lead (3mm × 3mm) Plastic DFN
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LTC2943CDD#TRPBF - Analog Devices - 3D model - Small Outline No-lead - 8-Lead (3mm × 3mm) Plastic DFN
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LTC2943CDD#TRPBF Details

  • Manufacturer Part Number:

    LTC2943CDD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1698

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    3

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY GAUGE

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    20 V

  • Supply Voltage-Min (Vsup):

    3.6 V

  • Supply Voltage-Nom (Vsup):

    10 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LTC2943CDD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC2943 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure accurate current measurement, use a sense resistor with a low temperature coefficient, keep the sense resistor close to the device, and use a Kelvin connection to the sense resistor. Also, ensure that the input voltage is within the recommended range and that the device is operated within its specified temperature range.
  • The maximum allowed voltage on the SENSE pin is 2.5V. Exceeding this voltage can damage the device. It's recommended to use a voltage divider or a clamp circuit to limit the voltage on the SENSE pin.
  • The power consumption of the LTC2943 can be calculated by adding the quiescent current (IQ) to the current drawn by the output voltage (VOUT) and the sense resistor (Rsense). The formula is: Power = VCC x IQ + VOUT x IOUT + Rsense x ISENSE.
  • The FILTER pin is used to filter out high-frequency noise on the current sense signal. Connecting a capacitor between the FILTER pin and GND can help to reduce noise and improve the accuracy of the current measurement.

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LTC2943CDD#TRPBF 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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