NXP Semiconductors Battery Management MC33772CTC0AE

The MC33772CTC0AE is a battery cell controller integrated circuit designed for automotive and industrial applications, including hybrid electric vehicles (HEVs), electric vehicles (EVs), energy storage systems (ESS), and uninterruptible power supplies (UPS). It supports the management of 3 to 6 lithium-ion battery cells and operates within a power supply range of 5.0 V to 30 V, with a transient capability of up to 40 V. This device features advanced functionalities such as ADC conversions for differential cell voltages and current, battery coulomb counting, and temperature measurements. Communication with a microcontroller is facilitated through either a serial peripheral interface (SPI) or an isolated daisy chain communication interface, allowing for up to 63 nodes in a daisy chain configuration. The MC33772CTC0AE is AEC-Q100 qualified, ensuring reliability in automotive environments, and operates effectively at ambient temperatures up to 125 ¬8C. Key specifications include a total voltage measurement error of 0.8 mV, integrated passive cell balancing with diagnostics, and automatic over/undervoltage and temperature detection. The device is designed to support ISO 26262 safety standards up to ASIL D, making it suitable for safety-critical applications.