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Product Detailed Parameters
- Description：IC LED DRVR LINEAR 80MA 32HTSSOP
- 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：80mA
- Frequency：30MHz
- Dimming：-
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-PowerTSSOP (0.240", 6.10mm Width)
- Supplier Device Package：32-HTSSOP
- Grade：-
- Qualification：-
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Overview
The TLC5923DAPG4 is a 16-channel constant-current sink LED driver from Texas Instruments, housed in a 32-pin HTSSOP package. It operates on a VCC supply ranging from 3.0 V to 5.5 V and supports a data transfer rate of 30 MHz. Each channel provides an output current capability of up to 80 mA with a maximum power supply current of 65 mA. The device features dot correction for brightness uniformity and includes fault detection mechanisms such as LED open detection.
Feature Summary
- Provides 16 independent constant-current sink channels for precise LED control
- Integrates dot correction functionality to ensure consistent display brightness across all channels
- Includes built-in fault detection capabilities, specifically identifying open LED conditions
Applications
- LED display systems requiring uniform brightness control
- Portable electronic devices utilizing LED indicators or displays
- Consumer electronics with high-density LED arrays
Procurement Notes
Verify the specific ordering suffix 'G4' corresponds to the required RoHS compliance and tape-and-reel packaging configuration. Confirm that the HTSSOP-32 package dimensions align with your PCB footprint requirements. Ensure the input voltage range of 3.0 V to 5.5 V matches your system's power supply architecture before finalizing procurement.
Selection Notes
Select this component when a 16-channel solution with integrated dot correction is necessary for display uniformity. It is suitable for applications requiring a 30 MHz data transfer rate and constant-current sinking up to 80 mA per channel. Consider the 3.0 V to 5.5 V operating range and the 32-pin HTSSOP form factor for space-constrained designs.
Part Context
This part belongs to the TLC5923 series of 16-channel LED drivers. It is functionally similar to the TLC5923DAP but may differ in packaging or compliance specifications due to the 'G4' suffix. The series is designed for applications needing reliable constant-current sinking and fault detection in compact packages.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative 16-channel LED drivers from other manufacturers.
