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Details for BQ76925PW by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Battery Management
BQ76925PW
Buy Directly from Texas Instruments (428 in stock) $1.0500
BATT PROT LI-ION/POL 6CELL TSSOP-20
BQ76925PW image

BQ76925PW by Texas Instruments

BATT PROT LI-ION/POL 6CELL TSSOP-20
Features
20-Pin TSSOP or 24-Pin VQFN Package
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
Analog Interface for Host Current Measurement u2013 Variable Gain Current Sense Amplifier Capable of Operation with 1-mu2126 Sense Resistor
I2 C Interface for Host Communications u2013 Optional Packet CRC for Robust Operation
Integrated 3.3-V Regulator for Powering Micro- Controller or LEDs
Integrated Cell Balancing FETs u2013 Individual Host Control u2013 50 mA per Cell Balancing Current
Low Power Consumption u2013 40 u00b5A Typical in Normal Mode u2013 1.5 u00b5A Maximum in Sleep Mode
Overcurrent Comparator With Dynamically Adjustable Threshold u2013 Alerts Host to Potential Overcurrent Faults u2013 Wakes up Host on Load Connect
Supply Voltage Range From 4.2 to 26.4 V
Supports Cell Sense-Line Open Wire Detection
Switchable Thermistor Bias Output for Host Temperature Measurements
Part Information
BQ76925PW image
RoHS Compliant
Description
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
Controlled AFE Li-Ion Protection TSSOP20 RS Components
Battery Protection Li-Ion 20-Pin TSSOP T/R Avnet America
Battery Protection Li-Ion 20-Pin TSSOP T/R Avnet Europe
Analog front end for 3 to 6 series lithium-ion cells Texas Instruments