ADAS power reference design with improved voltage supervision
Description
This automotive power reference design supports additional precision voltage supervision and window watchdog for safety MCUs in advanced driver assistance systems (ADAS). These ADAS systems can control driving functions: such as automated emergency brake: lane keep assist and adaptive cruise control. High-accuracy voltage detectors are monitor each rail for improved supervision that can help customers achieve functional safety goals.
Features
- Accurate supervision (1% max: -40 °C to 125 °C) for overvoltage and undervoltage monitoringProgrammable window watchdog timer to interface with safety MCUPrecision voltage reference for accurate analog-to-digital converter (ADC) diagnostics and monitoringReverse battery protection with low-voltage drop (approximately 20 mV)Power supply from automotive battery providing 5-V: 3.3-V and 1.2-V railsEmissions tested according to CISPR 25 Class 5
Applications
- Oscilloscopes & digitizers
- Front camera
- ADAS domain controller
- Data acquisition (DAQ)
- Long range radar
- Mirror replacement/camera mirror system
- Driver monitoring
Product Categories
- Power management