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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR 60MA 24SSOP
- 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：10V
- Current - Output / Channel：60mA
- Frequency：-
- Dimming：-
- Applications：Signage
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：24-SSOP
- Grade：-
- Qualification：-
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Overview
The Texas Instruments TLC5948DBQ is a 16-channel constant-current sink LED driver IC housed in a 24-pin SSOP package. It features 7-bit dot correction and 6-bit brightness control for precise output regulation. The device operates on a supply voltage range of 3V to 5.5V, with an internal switch topology and a maximum clock frequency of 35MHz. Output current per channel reaches up to 35mA, supporting a maximum output voltage of 17V. It functions within a temperature range of -40°C to +85°C.
Feature Summary
- Integrates 7-bit dot correction and 6-bit PWM brightness control for high-precision LED uniformity
- Utilizes shift register topology with serial input for simplified system interfacing
- Provides internal switching capability to manage high-voltage loads efficiently
Applications
- High-performance LED signage displays
- LED matrix panel drivers
- General-purpose LED lighting systems requiring precise color control
Procurement Notes
Verify the specific suffix 'DBQ' corresponds to the SSOP-24 package variant when sourcing. Confirm RoHS compliance status and moisture sensitivity level (MSL) requirements against project specifications. Ensure the supplier provides official datasheets matching the Texas Instruments part number to avoid counterfeit components.
Selection Notes
Select this component for applications requiring independent per-channel current adjustment via dot correction. Compare against the TLC5928 series if only basic constant current without dot correction is needed. Evaluate power dissipation capabilities given the 35mA per channel limit and thermal constraints of the SSOP package.
Part Context
This part belongs to the TLC59xx family of linear LED drivers from Texas Instruments. It shares architectural similarities with the TLC5928 but adds advanced correction features. It serves as a bridge between basic drivers and more complex multiplexed solutions, offering a balance of control precision and interface simplicity.
Replacement Considerations
TLC5928DBQ offers similar functionality but lacks dot correction. TLC59401DBQ provides higher current capacity. Verify pinout compatibility before substitution.
