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BQ77PL157APW-4225 - Texas Instruments

Description: • Single IC Li-Ion Protection for 3-Series to 6- DESCRIPTION Series Cells The bq77PL157 is a stackable overvoltage protection device for 3, 4, 5 or 6 series cell Li-Ion battery packs. • Stackable to Protect up to 18-Series Cells This device incorporates a precise and accurate • Programmable Detection Time Delay overvoltage detection circuit with preconfigured • Low Power Consumption threshold limits. Additional features include the ability to stack multiple parts to monitor up to 18 series – Typical

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BQ77PL157APW-4225 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0016A
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BQ77PL157APW-4225 Details

  • Manufacturer Part Number:

    BQ77PL157APW-4225

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    16

  • Country Of Origin:

    Mainland China, Malaysia, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    Battery over-voltage protection(Min/Max)(V) : 4.225 and 4.225

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    BATTERY PROTECTOR

  • Input Voltage-Max:

    30 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Channels:

    1

  • 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    0.0035 mA

  • Supply Voltage-Max (Vsup):

    30 V

  • Supply Voltage-Min (Vsup):

    4.2 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +1.2V

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

    30

  • Width:

    4.4 mm

BQ77PL157APW-4225 Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or heat sink to dissipate heat efficiently.
  • Use a reliable communication protocol such as I2C or SPI, and ensure that the clock frequency and data transmission rates are within the specified limits. Also, use a pull-up resistor on the SDA line and a pull-down resistor on the SCL line.
  • A 10uF to 22uF ceramic capacitor is recommended for input decoupling, placed as close to the device as possible.
  • Use an external overvoltage protection (OVP) circuit or a voltage supervisor IC to detect and respond to overvoltage conditions. The BQ77PL157APW-4225 has an internal OVP circuit, but it's recommended to add external protection for added reliability.
  • The recommended operating temperature range is -40°C to 125°C. However, the device can operate up to 150°C with reduced performance and reliability.

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BQ77PL157APW-4225 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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Part Image BQ77PL157APWR-4225 Texas Instruments

BATTERY PROTECTOR, Fixed, 1 Channel, +1.2V, PDSO16