Overview
The STP16CP05 is a monolithic, low voltage, low current power 16-bit shift register designed specifically for LED panel displays. Produced by STMicroelectronics, this component is part of the STP16CP05 series and is available in various packages such as SO-24, TSSOP24, TSSOP24 with an exposed pad, and QSOP-24. It features a 16-bit serial-in, parallel-out shift register that feeds a 16-bit, D-type storage register, providing regulated current sources to drive LEDs efficiently.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 3.0 | - | 5.5 | V |
| Output Voltage (VO) | -0.5 | - | 20 | V |
| Output Current (IO) | 3 | - | 100 | mA |
| Clock Frequency (fCLK) | - | - | 30 | MHz |
| Operating Temperature Range (TOPR) | -40 | - | 125 | °C |
| ESD Protection | - | - | 2 kV HBM, 200 V MM | - |
| Output Current Accuracy | ±1.5% | - | ±5% | - |
Key Features
- Low voltage power supply down to 3 V
- 16 constant current output channels
- Adjustable output current through an external resistor
- Serial data IN/parallel data OUT
- Can be driven by a 3.3 V microcontroller
- Output current range: 5 to 100 mA
- Maximum clock frequency of 30 MHz
- ESD protection: 2 kV HBM, 200 V MM
- 20 V output driving capability, allowing more LEDs in series
Applications
The STP16CP05 is primarily designed for LED panel displays, making it suitable for various applications such as:
- LED signage and billboards
- LED lighting systems
- Display panels in consumer electronics
- Industrial display systems
- Automotive display systems
Q & A
- What is the minimum supply voltage for the STP16CP05?
The minimum supply voltage for the STP16CP05 is 3.0 V.
- How many constant current output channels does the STP16CP05 have?
The STP16CP05 has 16 constant current output channels.
- How can the output current be adjusted in the STP16CP05?
The output current can be adjusted using an external resistor.
- What is the maximum clock frequency of the STP16CP05?
The maximum clock frequency of the STP16CP05 is 30 MHz.
- What is the ESD protection rating of the STP16CP05?
The ESD protection rating of the STP16CP05 is 2 kV HBM, 200 V MM.
- What is the operating temperature range of the STP16CP05?
The operating temperature range of the STP16CP05 is -40°C to +125°C.
- Can the STP16CP05 be driven by a 3.3 V microcontroller?
Yes, the STP16CP05 can be driven by a 3.3 V microcontroller.
- What is the maximum output voltage driving capability of the STP16CP05?
The STP16CP05 guarantees a 20 V output driving capability.
- How is the brightness of LEDs controlled using the STP16CP05?
The brightness of LEDs can be controlled by adjusting the output current using an external resistor.
- What are the typical propagation delay times for the STP16CP05?
The typical propagation delay times vary depending on the specific conditions but are generally in the range of 10-30 ns for different parameters.
