ST STP16DP05 Low Voltage 16-bit Constant Current LED Sink Driver with Outputs Error Detection
Summary
The STP16DP05 is a professional, low-voltage 16-bit shift register LED sink driver designed for complex digital and panel display applications. It provides highly adjustable constant current output (5-100 mA) to drive multiple sequences of LEDs reliably. This manual serves as a comprehensive guide, detailing everything from pin connections and electrical ratings to advanced error detection functionalities and operational timing diagrams. It is essential reading for electrical engineers and designers integrating high-precision LED control systems that require reliability in various operating conditions.
Page 1 Text Content
STP16DP05
Low voltage 16-bit constant current LED sink driver with outputs error detection
Features Low voltage power supply down to 3 V 16 constant current output channels
QSOP-24 SO-24
Adjustable output current through external resistor Short and open output error detection Serial data IN/Parallel data OUT
TSSOP24 TSSOP24
3.3 V micro driver-able
(exposed pad)
Output current: 5-100 m A
The data detection results are loaded in the shift
30 MHz clock frequency
register and shifted out via the serial line output.
Available in high thermal efficiency TSSOP
The detection functionality is implemented without
exposed pad
increasing the pin count number, through a
ESD protection 2.5 k V HBM, 200 V MM
secondary function of the output enable and latch pin (DM1 and DM2 respectively), a dedicated Description logic sequence allows the device to enter or leave from detection mode. Through an external
The STP16DP05 is a monolithic, low voltage, low resistor, users can adjust the STP16DP05 output current power 16-bit shift register designed for current, controlling in this way the light intensity of LED panel displays. The device contains a 16-bit LEDs, in addition, user can adjust LED’s serial-in, parallel-out shift register that feeds a brightness intensity from 0% to 100% via OE/DM2 16-bit D-type storage register. In the output stage, pin. sixteen regulated current sources were designed
The STP16DP05 guarantees a 20 V output
to provide 5-100 m A constant current to drive the
driving capability, allowing users to connect more
LEDs.
LEDs in series. The high clock frequency,
The STP16DP05 features open and short LED 30 MHz, makes the device suitable for high data detections on the outputs.The STP16DP05 is rate transmission. The 3.3 V voltage supply is well backward compatible with STP16C/L596.The useful for applications that interface any 3.3V detection circuit checks 3 different conditions that micro. Compared with a standard TSSOP can occur on the output line: short to GND, short package, the TSSOP exposed pad increases heat to VO or open line. dissipation capability by a 2.5 factor. Table 1. Device summary
Order codes Package Packaging
STP16DP05MTR SO-24 (tape and reel) 1000 parts per reel STP16DP05TTR TSSOP24 (tape and reel) 2500 parts per reel
TSSOP24 exposed pad
STP16DP05XTTR 2500 parts per reel
(tape and reel)
STP16DP05PTR QSOP-24 2500 parts per reel
January 2010 Doc ID 13093 Rev 6 1/31
www.st.com
Page Summary Contents For ST STP16DP05 Low Voltage 16-bit Constant Current LED Sink Driver with Outputs Error Detection
Manual Details
| Brand | Current |
|---|---|
| Pages | 31 |
| File Size | 753.62 KB |
| Published | May 30, 2026 |
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Frequently Asked Questions
How does the STP16DP05 drive LEDs?
It provides up to sixteen regulated constant current sources, allowing precise control of LED intensity from 0% to 100%.
What must be done with the exposed pad?
The exposed pad should be electrically connected either to a metal land or directly connected to ground for proper heat dissipation.
Does this device check for output line errors?
Yes, it includes built-in error detection functionality that checks for open, short to GND, and short to V conditions on the output lines.
What voltage level is required for controlling the serial data input?
It supports a 3.3V micro driver-able interface, making it compatible with general 3.3V logic systems.