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LTC2946IDE#TRPBF - Analog Devices

Description: Wide Range I2C Power, Charge and Energy Monitor

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LTC2946IDE#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC2946IDE#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DE Package 16-Lead Plastic DFN (4mm × 3mm)
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LTC2946IDE#TRPBF - Analog Devices - 3D model - Small Outline No-lead - DE Package 16-Lead Plastic DFN (4mm × 3mm)
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LTC2946IDE#TRPBF Details

  • Manufacturer Part Number:

    LTC2946IDE#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1732

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    MNL RST:N;PW FL IO:N;PRG RST DLY:N;WD:N;WDO:N;WWD:N

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    R-PDSO-N16

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SON

  • Package Equivalence Code:

    SOLCC16,.12,18

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    1.3 mA

  • Supply Voltage-Max (Vsup):

    100 V

  • Supply Voltage-Min (Vsup):

    4 V

  • Supply Voltage-Nom (Vsup):

    48 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.45 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +1.3V

  • Width:

    3 mm

LTC2946IDE#TRPBF Frequently Asked Questions (FAQs)

  • The recommended layout and placement for the LTC2946IDE#TRPBF involves keeping the device away from high-current carrying traces, using a solid ground plane, and placing the device close to the battery or power source being monitored. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog ground plane to minimize noise and ensure accurate measurements.
  • The LTC2946IDE#TRPBF does not require calibration for voltage measurements, as it has an internal voltage reference. However, for current measurements, calibration is required to compensate for the sense resistor's tolerance. This can be done by measuring the sense resistor's value and adjusting the calibration register accordingly. The datasheet provides a detailed calibration procedure.
  • The maximum cable length for the I2C interface of the LTC2946IDE#TRPBF depends on the clock frequency and the capacitance of the cable. As a general rule, the cable length should be limited to 10 inches (25 cm) or less to ensure reliable communication. If longer cable lengths are required, it's recommended to use I2C bus repeaters or buffers to maintain signal integrity.
  • The LTC2946IDE#TRPBF is designed to measure positive voltages and currents only. It's not capable of measuring negative voltages or currents. If negative voltage or current measurement is required, an external circuit or a different device should be used.
  • The LTC2946IDE#TRPBF has built-in overvoltage protection (OVP) and overcurrent protection (OCP) features. In the event of an overvoltage or overcurrent condition, the device will latch off the output and indicate a fault condition through the FAULT pin. The device will automatically recover once the fault condition is removed.

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LTC2946IDE#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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Part Image LTC2946IDE#TRPBF Linear Technology

Voltage Supervisor/Reset IC, Adjustable, 3 Channel, +1.3V, CMOS, PDSO16