MC33775A Overview
The MC33775A is a lithium-ion battery cell controller IC designed for automotive applications, such as hybrid electric vehicle (HEV) and electric vehicle (EV). It can be used in industrial applications, such as energy storage system (ESS) and uninterruptible power supply (UPS) systems. The device measures differential high precision cell voltages as well as temperatures.
MC33775A Key Features
- AEC-Q100 grade 1 qualified: -40 °C to +125 °C ambient temperature range
- ISO 26262 ASIL D support for cell voltage, module voltage, and temperature measurements
- Cell voltage measurement
- 4 to 14 cells per device
- Supports bus bars with ±5 V input voltage
- 16-bit resolution and ±1 mV typical measurement accuracy with ultra low long-term drift
- 120 µs synchronicity of cell voltage measurements
- Integrated configurable digital filter
- External temperature and auxiliary voltage measurements
- Eight analog inputs
MC33775A Applications
- AEC-Q100 grade 1 qualified: −40 °C to +125 °C ambient temperature range
- ISO 26262 ASIL D support for cell voltage, module voltage, and temperature measurements