1. Use TM1638 digital tube drive chip to drive a common cathode LED digital tube.
2. Can be extended to 3 * 8 buttons, led digital tube and can be controlled separately.
3. Support 8 brightness control, led digital tube and use the same brightness.
4. Support cascading up to 6 of the same module.
5. 8 LED, 8-bit digital tube and 8 buttons, common cathode LED digital tube, such as STC microcontroller can be directly connected.

TLP350

Features 

• Peak output current : IO = ±2.5A (max)

• Guaranteed performance over temperature : −40 to 100°C

• Supply current : ICC = 2 mA (max)

• Power supply voltage : V_CC = 15 to 30 V

• Threshold input current : I_FLH = 5 mA (max)

• Switching time (t_pLH/t_pHL) : 500 ns (max)

• Common mode transient immunity : 15 kV/μs

• Isolation voltage : 3750 Vrms

• Operating frequency 50 kHz

• Storage temperature range T_stg -55 to 125 °C

• Lead soldering temperature (1 0 s) T_sol 260 °C

TLP250H

• Series: TLP250
• Product Type: Logic Output Optocouplers
• Output Type: Push-Pull
• Number of Channels: 1 Channel
• Isolation Voltage: 3750 Vrms
• Fall Time: 50 ns
• Propagation Delay – Max: 500 ns
• If – Forward Current: 20 mA
• Vf – Forward Voltage: 1.57 V
• Vr – Reverse Voltage: 5 V
• Pd – Power Dissipation: 260 mW
• Minimum Operating Temperature: -40°C
• Maximum Operating Temperature: +125°C
• Mounting Style: Through Hole
• Package/Case: DIP-8