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Product Detailed Parameters
- Description：MPSAFETM 42V, 3A BUCK OR 2.4A BU
- Series：MPSafe™
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：6V
- Voltage - Supply (Max)：42V
- Voltage - Output：-
- Current - Output / Channel：2.4A, 3A
- Frequency：1.25MHz, 2.4MHz
- Dimming：Analog, PWM
- Applications：General Purpose
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：19-PowerVFQFN
- Supplier Device Package：19-QFN (3x4)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The MPQ7231GLE-D00-AEC1-Z is a synchronous infrared LED driver IC from Monolithic Power Systems, designed for automotive applications with AEC-Q100 qualification. It supports Buck and Buck-Boost topologies to drive high-power IR LEDs. The device delivers up to 3A in Buck mode and 2.4A in Buck-Boost mode. It operates within a supply voltage range of 6V to 42V and features an adjustable switching frequency up to 2.4MHz. The component utilizes a 19-QFN (3x4) package and supports PWM dimming for precise control.
Feature Summary
- Integrated synchronous power switches for high-efficiency DC-DC conversion
- Supports both Buck and Buck-Boost operational modes for flexible LED driving
- Automotive-grade reliability certified under AEC-Q100 standards
- Capable of high-frequency PWM dimming for accurate brightness control
Applications
- Automotive infrared lighting systems
- Night vision camera illumination drivers
- Adaptive front-lighting systems requiring IR sources
- Automotive interior sensing modules
Procurement Notes
Verify the specific suffix D00 against official MPS documentation to confirm functional parameters, as ordering suffixes may indicate variations in packaging or internal configuration. Ensure the selected variant matches the required current rating and topology for the target application. Cross-reference the AEC-Q100 qualification status directly with the manufacturer's datasheet to confirm compliance requirements.
Selection Notes
Select this component when designing automotive IR LED drivers requiring high current density in a compact form factor. The choice between Buck and Buck-Boost modes depends on the input voltage relative to the LED forward voltage. Consider the thermal performance of the 19-QFN package and ensure adequate PCB layout for high-frequency switching nodes. Verify compatibility with the system's PWM dimming interface.
Part Context
This part belongs to the MPQ7231 series of automotive LED drivers. It shares the same package footprint and general functionality with other variants like the MPQ7230, but offers higher current capabilities and potentially different switching frequencies. The series is tailored for robust automotive environments, emphasizing reliability and efficiency in power management for optical subsystems.
Replacement Considerations
MPQ7230GLE-AEC1-Z is a parameter-equivalent alternative within the same family, offering similar functionality with slightly different current ratings.
