Datasheet Allegro ARG82800 — Даташит

ARG82800
Fully Integrated PMIC for Safety-Related Systems
with Buck or Buck-Boost Pre-Regulator, 4Г— Linear Regulators, 4Г— Gate Drivers, and SPI
FEATURES AND BENEFITS A2-SIL™ product—device features for safety-critical systems Automotive AEC-Q100 qualified Wide input voltage range, 3.8 to 36 VIN operating range,
40В VIN maximum 2.2В MHz buck or buck/boost pre-regulator (VREG: 5.35В V) Four internal linear regulators with foldback short-circuit
protection
в–Ўв–Ў VUC: selectable output (3.3В V / 5.0В V) regulator for
microcontroller
в–Ўв–Ў V5C: 5В V general purpose LDO regulator
в–Ўв–Ў V5P1 and V5P2: two LDO regulators (track VUC
voltage) with short-to-battery protection for remote
sensors Q&A Watchdog and Window Watchdog timer Floating gate drivers with charge pump for external
isolator NFET control Control and diagnostic reporting through a serial
peripheral interface (SPI) Logic enable input (ENB) for microprocessor control Ignition enable input (ENBAT) Frequency dithering and controlled slew rate help reduce
EMI/EMC Undervoltage protection for all output rails Thermal shutdown protection –40°C to 150°C junction temperature range APPLICATIONS Provides system power for (microcontroller/DSP, CAN,
sensors, etc.) and high current isolation FET gate driver
in automotive control modules, such as:
2
в–Ўв–Ў Electronic power steering (EPS)
в–Ўв–Ў Advanced braking systems (ABS)
в–Ўв–Ў Other automotive applications -PACKAGE: 38-Pin eTSSOP (suffix LV) DESCRIPTION The ARG82800 is a power management IC that integrates a
buck or buck/boost pre-regulator, four LDOs, and four floating
gate drivers. The pre-regulator uses a buck or buck/boost …