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LTC2945HMS#TRPBF - Analog Devices

Description: Wide Range I2C Power Monitor

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LTC2945HMS#TRPBF - Analog Devices - PCB symbol
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LTC2945HMS#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS Package 12-Lead Plastic MSOP
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LTC2945HMS#TRPBF - Analog Devices - 3D model - Small Outline Packages - MS Package 12-Lead Plastic MSOP
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LTC2945HMS#TRPBF Details

  • Manufacturer Part Number:

    LTC2945HMS#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    MSOP-12

  • Pin Count:

    12

  • Manufacturer Package Code:

    05-08-1668

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY PROTECTOR

  • JESD-30 Code:

    R-PDSO-G12

  • JESD-609 Code:

    e3

  • Length:

    4.039 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP12,.19

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max (Vsup):

    80 V

  • Supply Voltage-Min (Vsup):

    4 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

LTC2945HMS#TRPBF Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the LTC2945HMS involves keeping the device close to the battery, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI. A 4-layer PCB with a dedicated ground plane is recommended. Additionally, the device should be placed near the battery and the sense lines should be routed close together and away from noisy signals.
  • Calibration of the LTC2945HMS involves setting the gain and offset of the device to match the specific battery chemistry and configuration. This can be done by measuring the battery voltage and current and adjusting the gain and offset registers accordingly. The device also has a built-in calibration mode that can be used to simplify the process.
  • The maximum cable length for the sense lines depends on the specific application and the desired level of accuracy. As a general rule, the sense lines should be kept as short as possible to minimize voltage drop and noise. If longer cable lengths are necessary, the voltage drop can be compensated for by using a sense line compensation register or by adding a remote sense amplifier.
  • The LTC2945HMS has a built-in battery swap detection feature that can detect when a battery is swapped or hot-swapped. The device can be configured to reset its counters and registers when a battery swap is detected, ensuring accurate monitoring of the new battery. Additionally, the device can be used in conjunction with external circuitry to implement more complex battery swap detection and management schemes.
  • The typical power consumption of the LTC2945HMS is around 1.2mA, but this can vary depending on the specific application and configuration. Power consumption can be reduced by using the device's low-power mode, reducing the measurement frequency, or using an external power switch to turn off the device when not in use.

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LTC2945HMS#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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