AL8861MP-13

LED Driver IC Overview

The AL8861MP-13 is a single-output DC-DC buck LED driver IC from Diodes Incorporated, designed for high-voltage applications. It features an integrated 40V NDMOS switch and supports input voltages from 4.5V to 40V, with a maximum output voltage of 36V. The device delivers up to 1.5A output current with typical accuracy of 5%. Operating frequencies are specified at 250kHz or 1MHz depending on the variant configuration. It supports both analog and PWM dimming methods. The component operates within a temperature range of -40°C to +85°C (TA) and is housed in an 8-MSOP-EP package.

LED Driver IC Feature Summary

• Hysteresis-mode control architecture with integrated power switch
• Supports combined analog and PWM dimming capabilities
• Includes open LED protection circuitry

LED Driver IC Applications

• LED backlighting systems
• General LED lighting fixtures
• Signage applications

LED Driver IC Procurement Notes

Verify the specific switching frequency requirement against the datasheet, as sources indicate variations between 250 kHz and 1 MHz for this family. Confirm the package type is 8-MSOP-EP with exposed pad. Ensure the selected part meets AEC-Q100 automotive qualification if required by the design specification. Cross-reference the suffix 'MP' with official documentation to confirm exact electrical tolerances.

LED Driver IC Selection Notes

Select this component for designs requiring a compact solution for driving series-connected LEDs from a wide input voltage range. The internal 40V switch eliminates the need for external high-voltage MOSFETs. Consider the thermal performance of the MSOP-EP package for heat dissipation. Verify compatibility with the desired dimming interface, as the device supports both analog and pulse-width modulation inputs for brightness control.

LED Driver IC Part Context

This part belongs to the AL8861 series of LED drivers manufactured by Diodes Incorporated. The series is characterized by its ability to handle medium-to-high voltage inputs efficiently. The AL8861MP-13 specifically denotes the tape-and-reel packaging format. It is part of a broader portfolio of PMIC solutions focused on efficient power conversion for lighting applications.

LED Driver IC Replacement Considerations

The AL8861QMP-13 is a documented substitute within the same series, sharing similar functional characteristics and pinout compatibility. Verify that the replacement matches the required switching frequency and dimming specifications before integration.