BQ76PL536ATPAPRQ1 Datasheet PDF - TI

●DESCRIPTION

●The bq76PL536A-Q1 is a stackable three to six series cell lithium-ion battery pack protector and analog front end (AFE) that incorporates a precision analog-to-digital converter (ADC); independent cell voltage and temperature protection; cell balancing, and a precision 5-V regulator to power user circuitry.

●FEATURES

●• 3 to 6 Series Cell Support, All Chemistries

●• Hot-Pluggable

●• High-Speed SPI for Data Communications

●• Stackable Vertical Interface

●• No Isolation Components Required Between ICs

●• Qualified for Automotive Applications

●• Temperature Range –40°C to 105°C

●• High-Accuracy Analog-to-Digital Converter (ADC):

●   – ±1 mV Typical Accuracy

●   – 14-Bit Resolution, 6-µs Conversion Time

●   – Nine ADC Inputs: 6 Cell Voltages, 1 Six-Cell Brick Voltage, 2 Temperatures, 1  General-Purpose Input

●   – Dedicated Pins for Synchronizing Measurements

●• Configuration Data Stored in ECC-OTP Registers

●• Built-In Comparators (Secondary Protector) for:

●   – Over- and Undervoltage Protection

●   – Overtemperature Protection

●   – Programmable Thresholds and Delay Times

●   – Dedicated Fault Signals

●• Cell Balancing Control Outputs With Safety Timeout

●   – Balance Current Set by External Components

●• Supply Voltage Range from 6 V to 30 V Continuous and 36 V Peak

●• Low Power:

●   – Typical 12-µA Sleep, 45-µA Idle

●• Integrated Precision 5-V, 3-mA LDO

●APPLICATIONS

●• Electric and Hybrid Electric Vehicles

●• E-Bike and E-Scooter

●• Uninterruptible Power Systems (UPS)

●• Large-Format Battery Systems