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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 120MA 20TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- 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：25MHz
- Dimming：-
- Applications：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：20-TSSOP
- Grade：-
- Qualification：-
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Overview
The TLC59108IPWR is an eight-channel LED driver IC manufactured by Texas Instruments, housed in a 20-pin TSSOP package. It operates on a Fast-Mode Plus I2C bus interface for digital control. The device features a boost topology with a maximum output voltage of 17 V and supports up to 120 mA per channel. It functions within a supply voltage range of 3 V to 5.5 V and maintains operation between -40°C and +85°C.
Feature Summary
- Eight independent constant current sink channels for precise LED brightness control
- Fast-Mode Plus (FM+) I2C-bus interface for high-speed digital communication
- Integrated boost converter topology enabling higher voltage LED string driving
- Programmable current control via external resistor setting
Applications
- LED backlighting systems for displays
- General-purpose LED lighting applications
- Portable electronic devices requiring efficient LED drive solutions
Procurement Notes
Verify the specific suffix IPWR corresponds to the TSSOP-20 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure design compatibility with the required I2C bus speed and voltage levels. Cross-reference the datasheet for thermal performance requirements under expected load conditions.
Selection Notes
Select this component for designs requiring multiple individually controllable LED channels with minimal pin count. The integrated boost capability allows driving LEDs with forward voltages exceeding the supply rail. Consider the TSSOP-20 package constraints regarding thermal dissipation and PCB layout space. Validate that the application environment falls within the specified operating temperature range.
Part Context
This part belongs to the TLC59108 series of LED drivers from Texas Instruments. The series provides scalable solutions for multi-channel LED control using standard I2C interfaces. Variants within the family may differ primarily in packaging options, such as the VQFN configuration found in the IRGYR suffix, while maintaining identical electrical functionality.
Replacement Considerations
The TLC59108FIPWR serves as a verified equivalent part number for this component. Both variants share identical electrical specifications and functional capabilities. Selection between these suffixes should be based solely on availability or specific packaging preferences defined by the manufacturing process.
