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AL8861QMP-13
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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM 1.5A 8MSOP
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：40V
- Voltage - Output：36V
- Current - Output / Channel：1.5A
- Frequency：1MHz
- Dimming：Analog, PWM
- Applications：Backlight, Lighting, Signage
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：8-MSOP-EP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The AL8861QMP-13 is an automotive-grade buck LED driver IC from Diodes Incorporated, designed for high-efficiency constant current control. It features a wide input voltage range of 4.5V to 40V and delivers up to 1.5A output current with typical 5% accuracy. The device integrates a 40V NDMOS switch and operates at a switching frequency of 1MHz. It supports both analog and PWM dimming methods. Qualified under AEC-Q100 standards, it functions within a temperature range of -40°C to 85°C. The component is housed in an 8-MSOP-EP package.
Feature Summary
- Integrates a 40V internal NDMOS switch for compact design
- Supports combined analog and PWM dimming control
- Includes open LED protection for system safety
- Automotive qualified under AEC-Q100 reliability standards
Applications
- Automotive exterior lighting systems
- Interior vehicle illumination modules
- General-purpose LED backlighting
- Industrial LED signage drivers
Procurement Notes
Verify the specific suffix QMP-13 against the manufacturer's latest datasheet to confirm the exact operating temperature grade and packaging configuration. Ensure the procurement channel provides valid traceability documentation required for automotive-grade components. Cross-reference the part number with official distributor catalogs to validate authenticity and avoid counterfeit risks during sourcing.
Selection Notes
Select this component when designing buck converter topologies requiring integrated switching capabilities. It is suitable for applications demanding precise current regulation within a 4.5V to 40V input window. Consider the 8-MSOP-EP package for thermal management needs. Verify that the required dimming interface matches the supported analog or PWM inputs before finalizing the schematic design.
Part Context
This part belongs to the AL8861 series of high-efficiency LED drivers. The 'Q' designation indicates automotive qualification, while 'MP' typically denotes specific tape-and-reel packaging configurations. It serves as a specialized solution for replacing discrete MOSFET-based designs in space-constrained automotive and industrial lighting applications.
Replacement Considerations
Check the AL8861MP-13 variant if non-automotive grade specifications are acceptable. Verify pin compatibility and thermal pad requirements when substituting with other MSOP-8 packages. Confirm switching frequency differences if EMI filtering constraints are critical.
