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BQ7694202PFBR - Texas Instruments

Description: BQ76942 3-Series to 10-Series High Accuracy Battery Monitor and Protector for Li-Ion, Li- Polymer, and LiFePO4 Battery Packs

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BQ7694202PFBR - Texas Instruments - PCB symbol
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PCB Footprints
BQ7694202PFBR - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PFB (S-PQFP-G48) HEIGHT 1.2
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3D Models
BQ7694202PFBR - Texas Instruments - 3D model - Quad Flat Packages - PFB (S-PQFP-G48) HEIGHT 1.2
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BQ7694202PFBR Details

  • Manufacturer Part Number:

    BQ7694202PFBR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY MONITOR

  • Input Voltage-Max:

    55 V

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TFQFP

  • Package Equivalence Code:

    TQFP48,.35SQ

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    55 V

  • Supply Voltage-Min (Vsup):

    4.7 V

  • Supply Voltage-Nom (Vsup):

    37 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Threshold Voltage-Nom:

    +-0.2V

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

    30

  • Width:

    7 mm

BQ7694202PFBR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate layer for the high-current paths is recommended. The datasheet provides a recommended PCB layout, but it's essential to follow good PCB design practices to minimize noise and ensure reliable operation.
  • The sense resistors should be selected based on the maximum current rating of the battery and the desired accuracy of the current measurement. A lower sense resistor value provides better accuracy but increases power loss, while a higher value reduces power loss but decreases accuracy. TI provides a sense resistor calculator tool to help with the selection.
  • The CAP pin is a capacitor connection pin that helps to filter out high-frequency noise and improve the accuracy of the current measurement. A 10nF to 100nF ceramic capacitor should be connected between the CAP pin and the GND pin to provide a low-impedance path to ground.
  • The BQ7694202PFBR can be configured for different battery chemistries by adjusting the voltage and current limits, as well as the charge and discharge profiles. The device provides several registers that can be programmed to customize the battery management settings for specific battery chemistries.
  • The TSENSE pin is a temperature sense input that allows the device to monitor the battery temperature. A thermistor or a thermocouple should be connected between the TSENSE pin and the GND pin to provide temperature feedback to the device.

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BQ7694202PFBR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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