MC33774ASP1AE

Overview

The MC33774ASP1AE is an 18-channel lithium-ion battery cell controller IC designed for automotive and industrial applications. It supports 4 to 18 series cells with a supply voltage range of 9 V to 90 V and operates at a 5 V working power supply. The device features LQFP-64 packaging, SMD/SMT mounting, and functions within a temperature range of -40 C to +125 C. It provides 21 mA output current and meets ISO 26262 ASIL D standards.

Feature Summary

• Supports up to 18 battery channels with integrated passive balancing capabilities.
• Complies with ISO 26262 ASIL D functional safety requirements.
• Enables isolated daisy chain or SPI communication interfaces.
• Includes configurable digital filters and redundant internal temperature sensors.

Applications

• Electric vehicle (EV) battery management systems
• Hybrid electric vehicle (HEV) powertrain control
• Industrial energy storage system (ESS) monitoring

Procurement Notes

Verify the specific suffix ASP1AE against official NXP documentation to confirm package type and quality grade. Ensure compliance with RoHS and REACH SVHC declarations as listed in the manufacturer's material declaration. Confirm active status and long-term availability plans before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring high channel density and strict functional safety certification. It is suitable for applications demanding precise cell voltage measurement and synchronized sampling across multiple battery modules. Consider its isolation capabilities and diagnostic features for robust system architecture.

Part Context

This part belongs to the MC33774 family of analog front-end ICs from NXP Semiconductors. It serves as a critical interface between battery cells and the host microcontroller, providing essential monitoring and protection functions for high-voltage battery stacks in modern electrified transportation and stationary storage solutions.

Replacement Considerations

MC33774ATP1AE

FAQ

What is the maximum number of battery cells supported by this IC?

The MC33774ASP1AE supports configurations ranging from 4 to 18 series-connected lithium-ion battery cells.

Does this device support functional safety standards?

Yes, the device is designed to meet ISO 26262 ASIL D requirements for cell voltage, module voltage, and temperature measurements.