LM3550SP/NOPB

$1.71

Description：IC LED DRVR CTRLR I2C 5A 20UQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:7d6c7c7752ec Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

LM3550SP/NOPB is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC LED DRVR CTRLR I2C 5A 20UQFN. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LM3550SP/NOPB

Description：IC LED DRVR CTRLR I2C 5A 20UQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Controller
Topology：Switched Capacitor (Charge Pump)
Internal Switch(s)：No
Number of Outputs：1
Voltage - Supply (Min)：2.7V
Voltage - Supply (Max)：5.5V
Voltage - Output：5.3V
Current - Output / Channel：5A (Flash)
Frequency：1MHz
Dimming：I2C
Applications：Camera Flash
Operating Temperature：-30°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：20-UFQFN Exposed Pad
Supplier Device Package：20-UQFN (3x2.5)
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LM3550SP/NOPB

LM3550SP/NOPB

LED Driver IC Overview

The LM3550SP/NOPB is a single-output LED lighting driver IC from Texas Instruments, designed for automotive applications. It utilizes a charge pump topology to drive flash LEDs with an output current of 5 A and a maximum output voltage of 5.3 V. The device operates on an input supply voltage ranging from 2.7 V to 5.5 V at a switching frequency of 1 MHz. It features I2C control for configuration and includes integrated V_f and ESR detection capabilities. The component is housed in a 20-UQFN package and supports an operating temperature range from -30°C to +85°C.

LED Driver IC Feature Summary

Integrates I2C interface for digital control and dimming functions
Includes built-in forward voltage (V_f) and equivalent series resistance (ESR) detection mechanisms
Employs a charge pump topology suitable for high-current flash LED driving

LED Driver IC Applications

Automotive camera flash systems
Mobile device illumination drivers
Compact LED lighting solutions requiring I2C control

LED Driver IC Procurement Notes

Verify the specific suffix 'SP' against the manufacturer's latest datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure that the 20-UQFN package dimensions align with your PCB footprint constraints. Confirm RoHS compliance status through official documentation before finalizing procurement specifications.

LED Driver IC Selection Notes

Select this component when designing circuits requiring precise I2C-controlled flash LED driving within a compact form factor. It is appropriate for applications needing integrated fault detection such as V_f and ESR monitoring. Consider the 20-UQFN package size and thermal performance relative to your board layout capabilities.

LED Driver IC Part Context

This part belongs to the LM3550 series of LED drivers manufactured by Texas Instruments. The series focuses on providing efficient power management for flash LED applications in portable and automotive electronics. The NOPB suffix indicates lead-free construction compliant with environmental standards.