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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 120MA 16SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：Shift Register
- Internal Switch(s)：Yes
- Number of Outputs：8
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：17V
- Current - Output / Channel：120mA
- Frequency：30MHz
- Dimming：-
- Applications：Signage
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The TLC5917QDRQ1 is an automotive-grade, constant-current LED sink driver featuring eight independent channels. It operates within a supply voltage range of 3 V to 5.5 V and supports output currents up to 120 mA per channel. The device utilizes a boost topology with a maximum output voltage of 17 V and functions at frequencies up to 30 MHz. Packaged in a 16-pin SOIC-Narrow (D) case, it is qualified under AEC-Q100 standards for operation between -40°C and +125°C.
Feature Summary
- Provides eight individually controllable constant-current outputs for precise LED regulation.
- Integrated boost converter topology enables driving high-voltage LED strings from low supply voltages.
- Includes thermal shutdown protection to safeguard the device during over-temperature conditions.
Applications
- Automotive exterior lighting systems
- Interior vehicle illumination modules
- LED display backlighting units
Procurement Notes
Verify that the specific suffix QDRQ1 corresponds to the required automotive qualification and packaging configuration. Confirm compatibility with the target PCB footprint for the SOIC-Narrow-16 package. Ensure design margins align with the specified operating temperature range and electrical limits defined in the official datasheet.
Selection Notes
Select this component when designing for automotive environments requiring AEC-Q100 certification. It is suitable for applications needing multiple independently controlled LED channels with integrated current regulation. Consider the boost topology requirements if driving LEDs with forward voltages exceeding the system supply voltage.
Part Context
This part belongs to the TLC5917 series of LED drivers manufactured by Texas Instruments. The 'Q' prefix indicates automotive qualification, while 'R1' typically denotes reel packaging. It serves as a specialized solution for managing multi-channel LED arrays in harsh operational environments.
Replacement Considerations
Consult official substitution lists for equivalent automotive-qualified LED drivers. Verify pinout compatibility and electrical specifications before replacing with non-Texas Instruments alternatives.
