TI bq76PL536-Q1 3 to 6 Series Li-Ion Battery Monitor and Secondary Protection ICTexas Instruments bq76PL536-Q1 Cell Li-Ion Battery Monitor and Secondary Protection IC is a stackable 3 to 6 series cell Li-Ion battery pack protector and analog front end that incorporates a precision analog to digital converter, independent cell voltage and temperature protection, cell balancing, and a precision 5V regulator to power user circuitry. TI bq76PL536-Q1 integrates a voltage translation and precision analog-to-digital converter system to measure battery cell voltages with high accuracy and speed. This cell Li-Ion battery monitor provides full protection (secondary protection) for overvoltage, undervoltage, and overtemperature conditions. The TI bq76PL536-Q1 is designed for use in electrical vehicles (EV) and hybrid electric vehicles (HEV) applications.
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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 Output Signals
- Cell Balancing Control Outputs With Safety Timeout
- Balance Current Set by External Components
Applications
- Electric and Hybrid Electric Vehicles
- E-Bike and E-Scooter
- Uninterruptible Power Systems (UPS)
- Large-Format Battery Systems
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