TLC5916INE4

Overview

The TLC5916INE4 is an 8-bit constant-current LED sink driver manufactured by Texas Instruments. It features eight independent output channels capable of delivering up to 120 mA per channel, adjustable via a single external resistor. The device operates on a supply voltage range of 3 V to 5.5 V and supports serial data input at frequencies up to 30 MHz. Packaged in a 16-pin PDIP format, it is designed for robust LED control applications.

Feature Summary

• Provides eight independent constant-current output channels for precise LED regulation
• Simplifies current setting through a single external resistor configuration
• Integrates fault detection capabilities including open and short circuit monitoring

Applications

• LED signage systems requiring uniform brightness control
• General-purpose LED indicator arrays
• Low-power LED lighting fixtures

Procurement Notes

Verify the specific package variant, as the base model TLC5916 is available in multiple packages including SOIC and TSSOP. Confirm that the PDIP-16 form matches your PCB footprint requirements. Check current availability status as this specific part number may be discontinued or limited in stock depending on the distributor. Ensure the design accommodates the required external current-setting resistor.

Selection Notes

Select this component when eight individually addressable constant-current outputs are required within a low-voltage system. It is suitable for designs prioritizing simple serial interface control over complex PWM dimming. Consider the thermal dissipation capabilities of the PDIP package if driving multiple channels at maximum current. Verify compatibility with the host microcontroller's serial clock speed and voltage levels.

Part Context

This part belongs to the TLC5916 family of LED drivers from Texas Instruments. The family offers scalable solutions for LED control, with variations differing primarily in package type and pinout compatibility. The TLC5916INE4 specifically denotes the PDIP-16 version, providing through-hole mounting options distinct from surface-mount alternatives like the DG4 or IPWG4 variants.

Replacement Considerations

• TLC5916IN

FAQ

How is the output current regulated?

The output current for all channels is set simultaneously by a single external resistor connected to the ISET pin.

What protection features are included?

The device includes error flagging for LED open detection, short-to-ground detection, and short-to-VLED conditions.