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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR 30MA 48SSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：Shift Register
- Internal Switch(s)：-
- Number of Outputs：16
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：30mA
- Frequency：10MHz
- Dimming：-
- Applications：-
- Operating Temperature：-20°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：48-BSSOP (0.295", 7.50mm Width)
- Supplier Device Package：48-SSOP
- Grade：-
- Qualification：-
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Overview
The TLC5920DLR is a Texas Instruments LED lighting driver IC featuring 16 constant current outputs in a 48-SSOP package. It operates on a 4.5V to 5.5V supply with a 30mA output current per channel and supports Boost/Buck topologies. The device includes an internal shift register for serial data input, adjustable output voltage, and functions at frequencies up to 10MHz. It is designed for surface mount installation within a -20°C to +85°C operating temperature range.
Feature Summary
- Integrates a 16-channel constant current sink driver with internal shift register for simplified serial control
- Supports flexible LED configurations through selectable Boost and Buck switching topologies
- Provides adjustable output voltage capability to accommodate various LED string requirements
Applications
- LED backlighting systems for displays and monitors
- General LED illumination modules requiring multi-channel control
- Portable electronic devices utilizing space-efficient SSOP packaging
Procurement Notes
Verify the specific suffix 'DLR' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the 48-SSOP footprint matches the target PCB design constraints. Ensure the 30mA per-channel rating aligns with the intended LED load specifications without exceeding thermal limits under maximum ambient conditions.
Selection Notes
Select this component when a high-density 16-channel solution is needed with integrated serial interface capabilities. It is suitable for applications requiring precise constant current regulation across multiple LEDs. Consider the SSOP-48 package size relative to available board space and the operational temperature range requirements of the final product environment.
Part Context
This part belongs to the TLC5920 series of LED drivers from Texas Instruments. It shares core functional architecture with variants like the TLC5920DL but differs primarily in packaging configuration. The series is designed for efficient multi-channel LED control in consumer and industrial electronics.
Replacement Considerations
The TLC5920DL serves as a tube-packaged alternative within the same family. Verify pinout compatibility and electrical specifications before substitution. Other series members may offer different channel counts or packages.
