STP16CPP05TTR

Overview

The STP16CPP05TTR is a low-voltage, 16-bit constant current LED sink driver manufactured by STMicroelectronics. It integrates a serial-in, parallel-out shift register and a D-type storage register to drive sixteen regulated current sources. The device supports an operating supply voltage range of 3.0 V to 5.5 V and delivers adjustable output currents between 3 mA and 40 mA per channel. It features a maximum clock frequency of 30 MHz and guarantees a 20 V output driving capability. The component operates within a temperature range of -40°C to +125°C and is housed in a 24-TSSOP package.

Feature Summary

• Integrates 16-bit serial-in, parallel-out shift register with D-type storage for reliable data latching
• Provides sixteen regulated constant current sources with adjustable brightness via external resistor
• Supports high-speed data transmission with a maximum clock frequency of 30 MHz
• Includes robust ESD protection rated at 2 kV HBM and thermal shutdown functionality

Applications

• LED panel displays requiring low-voltage operation
• Systems interfacing directly with 3.3 V microcontrollers
• High data rate transmission applications utilizing serial input protocols

Procurement Notes

Verify the specific suffix TTR corresponds to the tape and reel packaging configuration required for automated assembly processes. Confirm that the 24-TSSOP footprint matches the target PCB layout dimensions. Ensure the selected variant meets the industrial temperature grade specifications if deployed in harsh environments. Cross-reference the manufacturer's latest datasheet to validate RoHS compliance status before finalizing procurement orders.

Selection Notes

Select this component when designing LED drivers that require precise constant current control across sixteen channels. It is suitable for applications needing compatibility with 3.3 V logic levels without additional level shifting. Consider the 20 V output capability when determining the number of LEDs connectable in series per channel. Evaluate the 30 MHz clock speed against system timing requirements to ensure adequate data throughput rates.

Part Context

This part belongs to the STP16CP05 family of monolithic LED display drivers from STMicroelectronics. The family shares core architectural features including 16-bit shift registers and constant current sinks. Variants within the series differ primarily in output current ranges, such as the STP16CP05 supporting up to 100 mA, whereas this model provides up to 40 mA. The TTR suffix indicates the specific reel packaging format used for surface-mount technology production lines.

Replacement Considerations

STP16CPC05XTTR offers similar functionality with potentially different packaging or handling characteristics. STP16CP05 variants provide higher current capabilities up to 100 mA if increased drive strength is required. Verify pinout compatibility and electrical parameters against the original design specifications before substituting.