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Data Sheet
LP8774x-Q1
Three Buck Converters and 5-V Boost for AWR and IWR
Radar Sensors
1 Features
- AEC-Q100 qualified with the following results:
- Device temperature grade
1: –40°C to +125°C ambient operating temperature
- Functional safety-compliant device
- Developed for functional
safety applications
- Documentation available
to aid ISO 26262 functional
safety system design up to ASIL-C /
SIL-2
- Input supply overvoltage
and undervoltage monitoring
- Regulator output
overvoltage and undervoltage monitoring
- Overvoltage and
undervoltage monitoring for one external rail
- Q&A watchdog
- Level or PWM error signal
monitor (ESM)
- BIST and CRC
- Input voltage: 3.3V nominal (3V
to 4V range)
- Three low-noise step-down DC/DC
converters:
- Output voltage: 0.9V to
1.9V, 0.8V (BUCK3), 0.82V (BUCK3)
- Maximum output current:
3A/ 3A/ 3A
- Switching frequency:
4.4MHz, 8.8MHz, and 17.6MHz
- 5V boost converter
- Maximum output current:
350mA
- 150mA LDO
- Output voltage 1.8V or
3.3V
- Output short-circuit and overload
protection
- Input overvoltage protection
(OVP) and undervoltage lockout (UVLO)
- Overtemperature warning and
protection
- Serial peripheral interface
(SPI)
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