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The BD42530FPJ-CE2 is an automotive-grade specialized power management IC from Rohm Semiconductor, designed for automotive electronic systems requiring wide input voltage range and low power consumption. This device operates over a wide voltage range of 3V to 42V, consuming only 80 µA of ultra-low supply current, and is AEC-Q100 qualified. It is particularly suitable for applications requiring direct power from automotive batteries to supply microcontrollers, sensors, and communication interfaces.
Category:Integrated Circuits (ICs);Power Management (PMIC);Power Management - Specialized
Manufacturer:Rohm Semiconductor
Packaging:Tape & Reel (TR);Cut Tape (CT)
Part Status:Active
Current - Supply:80µA
Voltage - Supply:3V ~ 42V
Operating Temperature:-40°C ~ 125°C (TA)
Grade:Automotive
Qualification:AEC-Q100
Mounting Type:Surface Mount
Package / Case:TO-252-5, DPAK (4 Leads + Tab), TO-252AD
Base Product Number:BD42530
Wide Input Voltage Range: Supports 3V to 42V input voltage, capable of withstanding load dump and jump start transients in automotive systems, suitable for direct connection to automotive batteries.
Ultra-Low Quiescent Current: Only 80 µA supply current, significantly reducing standby power consumption in battery-powered systems and helping extend automotive battery life.
Automotive-Grade Reliability: AEC-Q100 qualified, ensuring long-term stability and durability in harsh automotive environments.
Wide Operating Temperature Range: Supports -40°C to 125°C operation, adapting to harsh environments such as engine compartments and chassis.
Compact DPAK Package: Implemented in a TO-252-5 package with excellent thermal dissipation and SMD design suitable for automated assembly.
High Voltage Tolerance: 42V maximum input voltage provides ample voltage margin, enhancing system robustness.
Automotive Body Electronics & Control Modules: Powers microcontrollers, sensors, and interface circuits directly from the automotive battery in body control modules (BCMs), door modules, seat controllers, and lighting systems.
Powertrain & Chassis Control: Supplies power for CAN transceivers, sensors, and logic circuits in engine control units (ECUs), transmission controllers, and braking systems.
In-Vehicle Infotainment Systems: Provides low-noise power for audio DSPs, microprocessors, and display drivers in instrument clusters, head units, and display modules.
Automotive Sensor Interfaces: Used for power management and signal conditioning in tire pressure monitoring (TPMS), fluid level sensors, accelerometers, and other sensor modules.
Industrial Automation & Control: Serves as a wide-input auxiliary power supply in PLCs, industrial sensors, and remote terminal units (RTUs).
Battery-Powered Industrial Equipment: Enables efficient power conversion from high-voltage batteries to low-voltage logic circuits in portable instruments, data loggers, and field sensors.
The BD42530FPJ-CE2 from Rohm Semiconductor is a high-performance, automotive-grade power management IC that perfectly combines 42V wide input voltage, 80 µA ultra-low quiescent current, and AEC-Q100 qualification. Its wide-temperature operation capability and compact DPAK package make it an ideal choice for implementing efficient, reliable power management in automotive body electronics, powertrain, and industrial systems, particularly in demanding applications requiring direct power from automotive batteries with minimal power consumption.
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