Overview
The STP08CP05TTR, produced by STMicroelectronics, is a monolithic, low voltage, low current, power 8-bit shift register specifically designed for LED panel displays. It contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The device is equipped with eight regulated current sources that provide a constant current of 5-100 mA to drive LEDs, ensuring high system performance with an output current setup time of 11 ns (typical).
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) | 5 | - | 100 | mA |
| Clock Frequency (fCLK) | - | 30 | 50 | MHz |
| Operating Temperature Range (TOPR) | -40 | - | 125 | °C |
| Thermal Resistance Junction-Ambient (RthJA) | - | - | 37.5 (TSSOP16 exposed pad) | °C/W |
| ESD Protection | - | - | 2.5 kV HBM, 200 V MM | - |
Key Features
- Low voltage power supply down to 3 V
- 8 constant current output channels
- Adjustable output current through external resistor
- Serial data IN/parallel data OUT
- 3.3 V micro driver-able
- Output current range: 5-100 mA
- High clock frequency: up to 30 MHz
- Available in high thermal efficiency TSSOP exposed pad package
- ESD protection: 2.5 kV HBM, 200 V MM
- Backward compatible in functionality and footprint with STP8C/L596
- Adjustable LED brightness intensity from 0% to 100% via OE pin
- 20 V output driving capability
Applications
The STP08CP05TTR is primarily designed for LED panel displays, making it suitable for various applications such as:
- LED signage and billboards
- Display panels in consumer electronics
- Automotive display systems
- Industrial display solutions
- Any application requiring controlled LED lighting with high current accuracy
Q & A
- What is the primary function of the STP08CP05TTR?
The STP08CP05TTR is a monolithic, low voltage, low current, power 8-bit shift register designed for driving LED panel displays.
- What is the range of the supply voltage for the STP08CP05TTR?
The supply voltage range is from 3.0 V to 5.5 V.
- How can the output current be adjusted in the STP08CP05TTR?
The output current can be adjusted through an external resistor connected to the R-EXT pin.
- What is the maximum clock frequency of the STP08CP05TTR?
The maximum clock frequency is 30 MHz.
- What is the thermal resistance junction-ambient for the TSSOP16 exposed pad package?
The thermal resistance junction-ambient is 37.5 °C/W for the TSSOP16 exposed pad package.
- Does the STP08CP05TTR have ESD protection?
- Can the brightness of LEDs be adjusted using the STP08CP05TTR?
- What is the maximum output voltage driving capability of the STP08CP05TTR?
The maximum output voltage driving capability is 20 V.
- Is the STP08CP05TTR backward compatible with other models?
- What are the typical applications of the STP08CP05TTR?
