IC LED DRIVER BUCK 40V 1.5A 8MSOP
Diodes Incorporated

Bypass caps, pull-ups, strapping resistors, custom silkscreen & more
Design a Custom BoardHigh-efficiency automotive-grade DC-DC buck LED driver supporting input voltages from 4.5V to 40V with output current up to 1.5A. Features integrated 40V power switch, high-side current sensing, PWM/DC dimming control, soft-start adjustment, and comprehensive protection (short-circuit, open-circuit, overtemperature). Achieves >95% efficiency at up to 1MHz switching frequency, suitable for automotive interior and exterior LED applications.
The 0.65mm pitch and tiny 3×3mm form factor make hand soldering challenging and impractical for breadboard prototyping. A breakout board converts this compact SMD package into a standard header layout, enabling reliable connections and rapid iteration without specialized soldering equipment or rework risk.
ELECTRICAL CHARACTERISTICS
| Manufacturer | Diodes Incorporated |
| Part Number | AL8860QMP-13 |
| Package | TSSOP-8 (3×3mm) |
| Pin Count | 8 |
| Current - Output / Channel | 1.5A |
| Frequency | 1MHz |
| Number of Outputs | 1 |
| Topology | Step-Down (Buck) |
| Type | DC DC Regulator |
| Voltage - Supply (Max) | 40V |
BILL OF MATERIALS
PCB SPECIFICATIONS
< 0.9" (straddles breadboard)
2.54mm standard
Lead-free, reflow assembled
FR4, lead-free HASL