BQ76925PW

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Details for Texas Instruments

BQ76925PW

Analog front end for 3 to 6 series lithium-ion cells
Buy Directly from Texas Instruments (363 in Stock)
$1.1900 per unit
Series Information for BQ76925PW - Texas Instruments

Features

  • feature
    20-Pin TSSOP or 24-Pin VQFN Package
  • feature
    Analog Interface for Host Cell Measurement u2013 Cell Input MUX, Level Shifter, and Scaler u2013 1.5-/ 3.0-V Low-Drift, Calibrated Reference Allows Accurate Analog-to-Digital Conversions
  • feature
    Analog Interface for Host Current Measurement u2013 Variable Gain Current Sense Amplifier Capable of Operation with 1-mu2126 Sense Resistor
  • feature
    I2 C Interface for Host Communications u2013 Optional Packet CRC for Robust Operation
  • feature
    Integrated 3.3-V Regulator for Powering Micro- Controller or LEDs
  • feature
    Integrated Cell Balancing FETs u2013 Individual Host Control u2013 50 mA per Cell Balancing Current
  • feature
    Low Power Consumption u2013 40 u00b5A Typical in Normal Mode u2013 1.5 u00b5A Maximum in Sleep Mode
  • feature
    Overcurrent Comparator With Dynamically Adjustable Threshold u2013 Alerts Host to Potential Overcurrent Faults u2013 Wakes up Host on Load Connect
  • feature
    Supply Voltage Range From 4.2 to 26.4 V
  • feature
    Supports Cell Sense-Line Open Wire Detection
  • feature
    Switchable Thermistor Bias Output for Host Temperature Measurements

Description

BATT PROT LI-ION/POL 6CELL TSSOP-20
The bq76925 host-controlled analog front end (AFE) is part of a complete pack monitoring, balancing, and protection system for 3-, 4-, 5-, or 6-series cell Li-Ion and Li-Polymer batteries. The bq76925 device allows a Host controller to monitor individual cell voltages, pack current and temperature easily. The Host may use this information to determine unsafe or faulty operating conditions such as overvoltage, undervoltage, overtemperature, overcurrent, cell imbalance, state of charge, and state of health conditions. Cell input voltages are level-shifted, multiplexed, scaled, and output for measurement by a Host ADC. A dedicated pin provides a low-drift calibrated reference voltage to enable accurate measurements.

Specifications

Battery Type:
Li-Ion Li-Pol
Battery Protection:
Over Current Over / Under Voltage Short Circuit
No. of Batteries:
6
Shutdown Current:
1µA
Battery IC Case Style:
TSSOP
No. of Pins:
20Pins
Supply Voltage Min:
4.2V
Supply Voltage Max:
26.4V
Operating Temperature Min:
-25°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Battery Protection Li-Ion 20-Pin TSSOP T/R

Avnet America product

Avnet Europe

Battery Protection Li-Ion 20-Pin TSSOP T/R

Avnet Europe product

Texas Instruments

Analog front end for 3 to 6 series lithium-ion cells

Texas Instruments product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

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