BQ76PL536TPAPRQ1

Battery Management Overview

The BQ76PL536ATPAPRQ1 is a battery monitor and secondary protection IC designed for electric vehicle (EV) and hybrid electric vehicle (HEV) applications. It supports 3 to 6 series lithium-ion or lithium-polymer cells. The device features a high-accuracy analog-to-digital converter with ±1 mV typical accuracy and 14-bit resolution. It operates within a supply voltage range of 6 V to 30 V continuous, with a peak capability of 36 V. The component is qualified for automotive use under AEC-Q100 standards and functions in temperatures from -40°C to +105°C.

Battery Management Feature Summary

• Supports hot-pluggable connections for 3 to 6 series cell configurations across all lithium chemistries without requiring isolation components between stacked ICs.
• Integrates a high-speed SPI interface for data communication and a stackable vertical interface architecture.
• Includes built-in comparators for secondary protection against overvoltage, undervoltage, and overtemperature conditions with programmable thresholds.
• Features configurable data storage in ECC-OTP registers and dedicated pins for synchronizing measurements.

Battery Management Applications

• Electric Vehicle (EV) battery systems
• Hybrid Electric Vehicle (HEV) battery management
• Lithium-ion battery pack monitoring
• Lithium-polymer battery secondary protection

Battery Management Procurement Notes

Verify the specific suffix 'TPA' against the official Texas Instruments datasheet to confirm package type and tape-and-reel specifications. Ensure the order matches the AEC-Q100 qualification requirements for automotive deployment. Cross-reference the revision level to guarantee compatibility with existing firmware and hardware designs. Confirm moisture sensitivity levels and recommended soldering profiles prior to assembly.

Battery Management Selection Notes

Select this component for applications requiring secondary protection alongside primary monitoring in EV and HEV environments. The device is suitable for designs needing high-accuracy cell voltage measurement and stackable architecture. Consider the operating temperature range and supply voltage limits when defining system boundaries. Verify that the required number of series cells falls within the supported 3 to 6 range.

Battery Management Part Context

This part belongs to the BQ76PL536A-Q1 family of battery monitors. It is specifically engineered for high-voltage series cell applications in the automotive sector. The device complements primary protection circuits by providing independent secondary safety monitoring. It integrates analog sensing and digital control capabilities into a single HTQFP-64 package.

Battery Management Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Texas Instruments for direct replacements or pin-compatible alternatives within the BQ76PL series.

Battery Management FAQ

Does the BQ76PL536ATPAPRQ1 require isolation components between stacked ICs?

No, the device features a stackable vertical interface that does not require isolation components between ICs.

What is the typical accuracy of the integrated ADC?

The analog-to-digital converter has a typical accuracy of ±1 mV.

Is this component qualified for automotive applications?

Yes, it is qualified for automotive applications according to the AEC-Q100 standard.