STP16CPS05XTTR

Overview

The STP16CPS05XTTR is a monolithic, low voltage, 16-bit constant current LED sink driver designed for LED panel displays. It integrates a serial-in, parallel-out shift register and a D-type storage register. The device provides sixteen regulated current sources with an adjustable output range of 5 mA to 100 mA via an external resistor. It supports a supply voltage from 3 V to 5.5 V and guarantees a 20 V output driving capability. Key electrical parameters include a maximum clock frequency of 30 MHz and ESD protection ratings of 2 kV HBM and 200 V MM.

Feature Summary

• Integrates auto power-shutdown and auto power-ON features to minimize quiescent current when no active data is detected on the latches.
• Features a high clock frequency of 30 MHz suitable for high data rate transmission applications.
• Provides 20 V output driving capability to allow connection of multiple LEDs in series.

Applications

• LED panel displays
• Systems interfacing with 3.3 V microcontrollers

Procurement Notes

Verify the specific package type upon ordering, as the STP16CPS05 family includes variants such as SOIC-24 and TSSOP-24. Confirm that the XTTR suffix corresponds to the required reel packaging quantity. Ensure the selected variant matches the thermal and pinout requirements of the target PCB design before finalizing procurement.

Selection Notes

Select this component for applications requiring precise constant current regulation for LED brightness control. It is suitable for designs needing compatibility with 3.3 V logic levels. Consider the thermal performance of the specific package variant if operating at higher current settings or elevated temperatures.

Part Context

This part belongs to the STP16CP05 series of low voltage LED drivers. It shares functional similarities with other members like the STP16CPPS05, which offers lower current ranges and enhanced thermal dissipation through exposed pad packages. The series is characterized by serial data input and parallel data output capabilities.

Replacement Considerations

STP16CP05MTR

FAQ

How is the LED brightness controlled?

Brightness is adjusted using an external resistor to set the output current level and via the OE pin for intensity modulation.

What is the typical output current setup time?

The output current setup time is typically 40 ns, which improves system performance.