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Product Detailed Parameters
- Description：IC LED DRVR LIN PWM 40MA 40VQFN
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：24
- Voltage - Supply (Min)：7V
- Voltage - Supply (Max)：28V
- Voltage - Output：0.5V ~ 4V
- Current - Output / Channel：40mA
- Frequency：-
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：40-VFQFN Exposed Pad
- Supplier Device Package：40-VQFN (6x6)
- Grade：-
- Qualification：-
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Overview
The TB62D787FTG,EL is a 24-channel LED driver IC featuring linear PWM dimming and a single-wire Manchester encoding interface. It operates with an input voltage range of 7V to 28V and provides a 5V internal linear regulator. Each channel delivers a constant output current of 40mA, with output voltages ranging from 0.5V to 4V. The device supports communication data daisy-chaining and functions within a temperature range of -40°C to +85°C. It is housed in a compact 40-VQFN (6x6) package with an exposed thermal pad.
Feature Summary
- Integrates a single-wire Manchester encoding interface for simplified signal input.
- Includes an internal linear stabilizing circuit accepting up to 28V input to generate a 5V output.
- Features built-in daisy-chain pins for communication data to enhance system scalability.
- Supports selectable communication modes between 6-channel and 12-channel outputs.
Applications
- LED lighting applications
- Amusement equipment illumination systems
Procurement Notes
Verify the specific suffix EL against official Toshiba Semiconductor and Storage documentation to confirm packaging and material specifications. Ensure compatibility with the required 40-VQFN footprint and thermal management requirements during design integration. Confirm that the single-wire interface protocol matches the controller's transmission standards before finalizing component selection.
Selection Notes
Select this component when a high channel count is required alongside a single-wire control interface. The integrated 28V-to-5V linear regulator simplifies power distribution for multiple units. Consider the 40-VQFN package size for space-constrained designs. Verify that the 40mA per channel current rating aligns with the target LED array specifications and thermal dissipation capabilities of the PCB layout.
Part Context
This part belongs to the TB62D78x series of LED drivers designed for scalable lighting architectures. It complements the 9-channel TB62D786FTG by offering expanded 24-channel capacity. The series utilizes a consistent single-wire Manchester encoding interface, allowing mixed configurations within a single system while maintaining standardized communication protocols across different channel densities.
Replacement Considerations
The TB62D786FTG serves as a lower-channel alternative within the same product family. Both devices share the single-wire Manchester encoding interface and similar architectural features. Selection depends on whether the application requires 9 or 24 channels. Verify pinout compatibility and thermal performance differences between the VQFN-24 and 40-VQFN packages if substituting directly.
