Download ARG81403 Datasheet PDF
Allegro MicroSystems
ARG81403
ARG81403 is Automotive PMIC manufactured by Allegro MicroSystems.
TURES AND BENEFITS - Automotive AEC-Q100 qualified - A2-SIL™ product- device Features for safety-critical systems - 6 to 36 VIN operating range, 40 VIN maximum - 2.2 MHz synchronous buck pre-regulator (VREG) - Adjustable synchronous buck regulator (1.275 V or 1.25 V typ) - 3.3 V (3V3) and 5 V (V5) internal LDO regulators with foldback short-circuit protection - 5 V (V5P1 and V5P2) internal tracking LDO regulator with foldback short-circuit and short-to-battery protections - Power-on reset (NPOR) with fixed delay of 15 ms - Selectable watchdog (single-ended or window timer) - Active-low watchdog timer enable input (WDENn) - Dual band gaps for increased reliability: BGVREF, BGFAULT - Fixed POK5V undervoltage threshold for V5 - Three 2-wire speed (rotational) sensor IOs - Seven logic level shifter I/F - Logic enable input (ENB) for microprocessor control - Ignition enable inputs (ENBAT and VIGN-IN) - Control and Diagnostic reporting through a serial peripheral interface (SPI) - Frequency dithering (SSCG) helps reduce EMI/EMC - Overvoltage and undervoltage protection for all supply rails - Thermal shutdown protection - - 40°C to 165°C junction temperature range APPLICATIONS - Transmission Control Units (TCU) - Advanced Braking Systems (ABS) - Electronic Power Steering (EPS) PACKAGE: 64-Pin QFP (suffix JB) DESCRIPTION...