MP4689AGN-P

$1.56

Description：100V INPUT, 1A, HIGH-POWER LED D
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)

SKU:612f28a8dede Category: LED Drivers IC Brand: Monolithic Power Systems Inc.

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Product introduction

Product Detailed Parameters

Description：100V INPUT, 1A, HIGH-POWER LED D
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)
Type：DC DC Regulator
Topology：Step-Down (Buck)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：4.5V
Voltage - Supply (Max)：100V
Voltage - Output：-
Current - Output / Channel：-
Frequency：1MHz
Dimming：PWM
Applications：General Purpose
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package：8-SOIC-EP
Grade：-
Qualification：-

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MP4689AGN-P

Overview

The MP4689AGN-P is a high-power LED driver IC from Monolithic Power Systems, designed for buck topology applications. It supports an input voltage range of 4.5 V to 100 V and delivers a constant output current of 1 A. The device operates at a switching frequency of 1 MHz and functions within a temperature range of -40°C to +125°C. Packaged in an 8-SOIC-EP format, it integrates internal power switches for efficient DC-DC conversion suitable for automotive and industrial lighting.

Feature Summary

Supports PWM dimming for precise brightness control
Includes short circuit protection for load safety
Features thermal protection to prevent overheating

Applications

High-power LED lighting systems
Automotive exterior lighting modules
Industrial illumination fixtures

Procurement Notes

Verify the specific suffix (P vs Z) against the official datasheet to confirm packaging type and environmental compliance status. Ensure the selected variant matches the required reel or cut-tape specifications for the manufacturing process. Confirm RoHS3 compliance requirements are met by checking the manufacturer's environmental declaration before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring wide input voltage tolerance up to 100 V for high-power LED strings. The integrated buck converter simplifies design by eliminating external power switches. Consider the SOIC-8 package constraints for thermal management and PCB layout space. Verify that the 1 A output current aligns with the target LED array specifications.

Part Context

This part belongs to the MP4689 series of LED drivers from Monolithic Power Systems. It is specifically engineered for high-voltage input applications, distinguishing it from lower-voltage counterparts in the PMIC portfolio. The device serves as a dedicated solution for driving high-power LEDs in demanding environments where reliability and wide input ranges are critical.