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Product Detailed Parameters
- Description：LOCAL DIMMING MINI-LED BACKLIGHT
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：Constant Current
- Internal Switch(s)：No
- Number of Outputs：16
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：50V
- Current - Output / Channel：30mA
- Frequency：-
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：24-BGA, DSBGA
- Supplier Device Package：24-DSBGA (1.58x2.43)
- Grade：-
- Qualification：-
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Overview
The TLC69651YBHR is a Texas Instruments LED lighting driver IC designed for local dimming mini-LED backlight applications. It features 16 high-precision constant current sinks with a maximum output current of 30mA and a maximum voltage of 50V per channel. The device operates within a VCC range of 3V to 5.5V and supports PWM dimming. It is housed in a 24-pin DSBGA (YBH) package, suitable for compact designs requiring precise current control.
Feature Summary
- Provides 16 independent channels for high-precision constant current sinking
- Supports local dimming capabilities for mini-LED matrix backlights
- Integrates linear constant current control with PWM dimming functionality
Applications
- Mini-LED backlight drivers for displays
- Local dimming LED matrix systems
- High-precision LED lighting control circuits
Procurement Notes
Verify the specific suffix YBHR to confirm the tape-and-reel packaging and pin configuration. Ensure compatibility with the required 3V to 5.5V supply voltage range. Confirm that the 50V sink voltage rating meets the load requirements. Check for RoHS compliance documentation before finalizing procurement orders.
Selection Notes
Select this component when 16-channel precision current control is required for mini-LED arrays. The 50V sink voltage capability distinguishes it from lower-voltage variants like the TLC69601 or TLC69611. Ensure the design accommodates the DSBGA package thermal characteristics and SPI interface requirements for data input.
Part Context
This part belongs to the TLC696x1 family of 16-channel local dimming backlight drivers. It shares the same package and basic interface as other members but offers higher sink voltage ratings compared to standard variants. The series is optimized for applications demanding pixel-level LED control in compact form factors.
Replacement Considerations
Direct substitutes include TLC69601YBHR and TLC69611YBHR if the application requires lower sink voltages (20V). Verify that the reduced voltage ratings of these alternatives do not exceed the load conditions of the target circuit.
FAQ
What is the maximum sink voltage for each channel?
Each channel supports a maximum sink voltage of 50V.
What is the operating supply voltage range?
The device operates with a VCC range of 3V to 5.5V.
How many output channels does this IC provide?
It provides 16 independent constant current sink channels.
