LP3931ISQ/NOPB

$3.26

Description：IC LED DRV RGLTR PWM 24WQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:f9f6a6e07c89 Category: LED Drivers IC Brand: Texas Instruments

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Product introduction

LP3931ISQ/NOPB is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC LED DRV RGLTR PWM 24WQFN. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LP3931ISQ/NOPB

Description：IC LED DRV RGLTR PWM 24WQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：6
Voltage - Supply (Min)：2.65V
Voltage - Supply (Max)：2.9V
Voltage - Output：5V
Current - Output / Channel：120mA (Flash)
Frequency：1MHz
Dimming：PWM
Applications：Camera Flash, Lighting
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：24-WFQFN Exposed Pad
Supplier Device Package：24-WQFN (4x4)
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LP3931ISQ/NOPB

LP3931ISQ/NOPB

LED Driver IC Overview

The LP3931ISQ/NOPB is a DC-DC regulator featuring a step-up (boost) topology designed for LED driver applications. It provides six outputs with an output voltage of 5V and supports PWM dimming functionality. The device includes internal switches and operates within a temperature range of -40°C to 85°C. It is housed in a 24-WQFN (4x4) package and is surface mountable. This component is classified as obsolete.

LED Driver IC Feature Summary

Integrates a boost DC-DC converter with internal switches
Supports PWM dimming control for LED regulation
Provides multiple regulated outputs for complex lighting systems

LED Driver IC Applications

Camera flash circuits
General lighting systems
LED driver modules requiring boost topology

LED Driver IC Procurement Notes

Verify obsolescence status before integration. Confirm availability through authorized channels only. Check for end-of-life notices and replacement recommendations from Texas Instruments. Ensure supply chain stability for legacy components.

LED Driver IC Selection Notes

Consider the obsolete status when designing new products. Evaluate alternative current-generation LED drivers with similar boost capabilities and pin compatibility. Review thermal performance requirements against the 24-WQFN package constraints.

LED Driver IC Part Context

This part belongs to the Texas Instruments PMIC portfolio, specifically within the LED Drivers category. It serves as a legacy solution for multi-output LED illumination tasks requiring high-current boost conversion.