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Product Detailed Parameters
- Description：4-CHANNEL, 320MA/CH, LED DRIVER
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：16V
- Voltage - Output：-
- Current - Output / Channel：320mA
- Frequency：-
- Dimming：Analog, I2C, PWM
- Applications：-
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：24-VFQFN
- Supplier Device Package：24-QFN (4x4)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The MPQ3323BGRE-AEC1-Z is a linear LED driver IC from Monolithic Power Systems, designed for automotive applications with AEC-Q100 qualification. It features a single output channel capable of delivering up to 320mA. The device operates within a supply voltage range of 4.5V to 16V and supports analog, I2C, and PWM dimming methods. Housed in a compact 24-QFN (4x4) package with wettable flanks for enhanced solderability, it functions reliably across an extended temperature range of -40°C to +125°C.
Feature Summary
- Supports multiple dimming control interfaces including analog, I2C, and PWM signals
- Integrated internal switch enables efficient linear regulation for single-channel LED driving
- Package design includes wettable flanks to ensure robust surface mount assembly reliability
Applications
- Automotive interior lighting systems
- Ambient cabin illumination circuits
- Dashboard indicator backlighting
Procurement Notes
Verify the specific suffix 'AEC1' confirms automotive grade compliance and RoHS3 status. Ensure the ordering part number matches the required tape and reel configuration. Confirm that the 24-QFN footprint aligns with the target PCB layout requirements before finalizing procurement orders.
Selection Notes
Select this component when a single high-current LED channel requires precise linear control in space-constrained automotive designs. The choice is appropriate for applications needing integrated I2C or PWM dimming capabilities without external switching complexity. Consider the 16V maximum input limit when designing against vehicle power bus variations.
Part Context
This part belongs to the MPS MPQ3323B family of linear LED drivers. It is specifically engineered for automotive environments, meeting strict reliability standards. The device integrates necessary protection features within a small form factor, distinguishing it from general-purpose industrial drivers by its qualified thermal and electrical performance ranges.
Replacement Considerations
The MPQ3323BGRE-AEC1-P is documented as a parameter-equivalent substitute. Verify pinout compatibility and thermal characteristics before swapping. No other cross-model replacements are confirmed in public documentation.
