company blog about Supply Renesas ISL78083ARZ Automotive Camera Power Management IC

Supply Renesas ISL78083ARZ Automotive Camera Power Management IC

Description
ISL78083ARZ is a versatile multi-rail power IC comprised of a primary high voltage synchronous buck regulator, two secondary low voltage synchronous buck regulators, and an LDO regulator.

Feature
VIN operating range from 4.0V to 42V
Start range: 4.5V to 42V
Fixed switching frequency: 2.2MHz with optional pseudo-random spread spectrum
Three synchronous bucks with internal compensation and one LDO
Buck1 output range: 3.3V to 5.05V
Buck2 output range: 1.0V to 3.3V
Buck3 output range: 1.0V to 3.3V
LDO4 output range: 2.8V to 3.4V
Output UV/OV thresholds, OTP: ±4%, ±6%, ±8%, ±12%
OTP power up/down sequence and delay
Optional output discharge on Buck2, Buck3, and LDO4
Current at VIN input under shutdown: <1µA typical
Protection features
Input voltage UVLO
Output OV/UV
Positive and negative current limits on bucks
Overcurrent protection on internal and output LDOs
Fail-safe controller
CRC of OTP registers
OTP hiccup or latch-off fault response

Applications
Rear and surround view HD automotive cameras
Driver monitoring cameras
HD dash cam