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
