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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 35MA 24HTSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：Shift Register
- Internal Switch(s)：Yes
- Number of Outputs：16
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：17V
- Current - Output / Channel：35mA
- Frequency：35MHz
- Dimming：-
- Applications：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-PowerTSSOP (0.173", 4.40mm Width)
- Supplier Device Package：24-HTSSOP
- Grade：-
- Qualification：-
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Overview
The TLC5928PWPR is a Texas Instruments LED lighting driver IC featuring 16 constant current outputs. It utilizes a boost topology to drive LEDs with an output current of 35 mA per channel and a maximum output voltage of 17 V. The device operates on a serial interface with a data transfer rate of 35 MHz and accepts input voltages between 3 V and 5.5 V. Packaged in a 24-pin HTSSOP, it supports an operating temperature range from -40°C to +85°C.
Feature Summary
- Provides 16 independent constant current channels for uniform LED illumination.
- Integrates LED open detection functionality to identify circuit faults.
- Features ON/OFF control capabilities for precise brightness management.
Applications
- LED backlighting systems
- General LED lighting fixtures
- Display illumination drivers
Procurement Notes
Verify the specific package variant matches the design requirement, as the base part number exists in multiple form factors including SSOP and VQFN. Confirm that the PWPR suffix corresponds to the tape and reel packaging format required for automated assembly processes. Ensure compatibility with the target serial interface protocol before integration.
Selection Notes
Select this component when a high-channel-count solution with integrated fault detection is required. The internal boost topology allows driving higher voltage LED strings from low supply rails. Consider the thermal performance within the HTSSOP package, as power dissipation reaches approximately 3.6 W under full load conditions.
Part Context
This part belongs to the TLC5928 series of LED drivers designed for applications requiring multiple constant current outputs. It serves as a bridge between digital control logic and high-power LED arrays, simplifying system architecture by eliminating external current regulation components.
Replacement Considerations
Public confirmed substitute part numbers include TLC5928PWP and TLC5928DBQ. These variants share identical electrical specifications but differ in physical package dimensions and mounting style.
