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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 35MA 24TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- 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-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：24-TSSOP
- Grade：-
- Qualification：-
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Overview
The TLC5928PW is a 16-channel constant current LED driver manufactured by Texas Instruments, housed in a TSSOP-24 package. It operates on a supply voltage ranging from 3 V to 5.5 V and delivers an output current of 35 mA per channel. The device features a boost topology with a maximum output voltage of 17 V and supports a data transfer rate of 35 MHz. It functions within a temperature range of -40°C to +85°C.
Feature Summary
- Provides 16 independent channels for constant current sinking control
- Integrates LED open detection (LOD) circuitry for fault monitoring
- Includes a preheat warning (PTW) thermal protection mechanism
- Enables individual channel ON/OFF control via serial register writing
Applications
- LED lighting systems requiring precise current regulation
- Display backlighting applications
- General-purpose LED indicator circuits
Procurement Notes
Verify the specific suffix 'PW' corresponds to the TSSOP-24 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets prior to integration. Ensure the selected component matches the required operating temperature range and pinout configuration for your PCB layout design.
Selection Notes
Select this component for designs requiring multiple synchronized LED channels with built-in diagnostic capabilities. Consider the TSSOP-24 package constraints regarding thermal dissipation and board space. Evaluate the 35 mA output capability against total load requirements and ensure compatibility with the system's serial interface timing specifications.
Part Context
This part belongs to the TLC5928 family of LED drivers, which are designed for high-density LED applications. The family includes variants with different packaging options such as SSOP, HTSSOP, and VQFN, allowing flexibility in mechanical design while maintaining consistent electrical performance and functional characteristics across the series.
Replacement Considerations
Publicly confirmed substitute part numbers include TLC5928DBQ and TLC5928PWP. Verify pin-to-pin compatibility and package dimensions before substitution. Ensure that alternative packages meet the same electrical specifications and thermal requirements.
