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Product Detailed Parameters
- Description：IC LED DRVR RGLTR I2C 2A 40WQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Flyback
- Internal Switch(s)：Yes
- Number of Outputs：3
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：2A (Switch)
- Frequency：1MHz
- Dimming：I2C
- Applications：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：40-WFQFN Exposed Pad
- Supplier Device Package：40-WQFN (5x5)
- Grade：-
- Qualification：-
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Overview
The LM3435SQX/NOPB is a compact sequential mode RGB LED driver IC manufactured by Texas Instruments. It operates within an ambient temperature range of -40°C to +125°C and utilizes a WQFN-40 package. The device features individual RGB PWM dimming capabilities and includes an integrated switch. Key functional attributes include adjustable switch frequency, enable/shutdown control, soft start functionality, and thermal shutdown protection.
Feature Summary
- Supports sequential mode operation for RGB LED applications
- Provides individual PWM dimming for Red, Green, and Blue channels
- Integrates power switching components to reduce external component count
Applications
- RGB LED lighting systems
- Compact sequential mode display drivers
- LED backlighting with color control requirements
Procurement Notes
Verify the complete part number including the suffix NOPB to ensure lead-free compliance and specific tape-and-reel packaging configuration. Confirm the WQFN-40 package outline matches your PCB footprint design. Cross-reference the datasheet revision date to ensure compatibility with current manufacturing specifications and environmental regulations.
Selection Notes
Select this component when designing circuits requiring integrated RGB control with sequential driving modes. The WQFN-40 package offers a compact solution for space-constrained designs. Ensure the application environment stays within the specified -40°C to +125°C operating temperature range to maintain reliable performance and utilize the built-in thermal shutdown protection effectively.
Part Context
This device belongs to the LM3435 series of LED lighting drivers from Texas Instruments. It is designed specifically for managing RGB LED arrays in compact form factors. The integration of the switch and control logic simplifies the bill of materials compared to discrete solutions, targeting efficient implementation in modern lighting and display architectures.
FAQ
What type of dimming does the LM3435SQX/NOPB support?
It supports individual RGB PWM (Pulse Width Modulation) dimming.
Does the LM3435SQX/NOPB include an internal switch?
Yes, the device features an integrated switch to simplify the circuit design.
