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Product Detailed Parameters
- Description：48 CURRENT SOURCES, 64 SCANS, CO
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：48
- Voltage - Supply (Min)：2.5V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：20mA
- Frequency：-
- Dimming：PWM
- Applications：General Purpose
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：96-TFBGA
- Supplier Device Package：96-NFBGA (6x6)
- Grade：-
- Qualification：-
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Overview
The TLC6984ZXLR is a highly integrated common cathode matrix LED display driver manufactured by Texas Instruments. It features 48 constant current sources and 16 scanning FETs, supporting up to a 16x16 matrix configuration. The device operates with a VCC voltage range of 2.5V to 5.5V and a separate VR/G/B voltage range of 2.5V to 5.5V. It provides an output current capability of 2mA per channel. The component is housed in a 96-TFBGA (6x6mm) package and supports surface mount technology. It functions within an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrated constant current sources for direct LED driving without external components
- Supports high-density common cathode matrix configurations up to 16x16
- Includes internal gray scale clock generation for simplified timing control
- Features fault detection capabilities to monitor circuit integrity
Applications
- High-resolution LED dot matrix displays
- Common cathode RGB LED panel systems
- Digital signage modules requiring precise current control
- Portable electronic devices with space-constrained display requirements
Procurement Notes
Verify the specific suffix 'ZCLR' against the manufacturer's official documentation to confirm package type and tape-and-reel specifications. Ensure that the required VCC and VR/G/B power supply voltages fall within the 2.5V to 5.5V operational limits. Confirm thermal management strategies are adequate for the TFBGA package under maximum load conditions. Cross-reference the pinout diagram with the PCB footprint design to prevent installation errors during assembly.
Selection Notes
Select this component when a single IC must drive a large common cathode matrix with minimal external circuitry. It is suitable for applications requiring independent current control for each LED segment. Consider the 96-pin BGA package constraints for PCB layout complexity. Evaluate the need for separate power supplies for logic and LED outputs to optimize efficiency and noise performance.
Part Context
This part belongs to the TLC6984 series of LED drivers designed for complex display applications. It replaces older discrete driver solutions by integrating multiple current sources and scan lines into one chip. The series is intended for manufacturers seeking to reduce board space and simplify the design of multi-segment LED indicators and alphanumeric displays.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing firmware if replacing similar drivers from other families, as interface protocols may differ.
