SPI LED Tube Light is using IC such as WS2811, LPD6803, APA101, UCS1903 and so on. The led tube is rgb color dmx lighting, can be used as Xtube, mediatube, outdoor tube for creative lighting solutions, such as make a 3D cube. led tube color have rgb color tube, rgbw color tube. Regarding how to program led light, because the light is SPI protocol, so ISEELED Led Controller or Madrix Nebula controller are suggested. ISEELED SPI Led Linear Tube compete with eurolite led tube, osram led tube, Philips led tube, american dj led tube. The pixel tube have 1led 1pixel, 2led 1pixel, 3led 1pixel, 6led 1pixel. Generally speaking, Spi Led Tube Light is cheaper then DMX LED Tube Light.
Photo show of SPI LED Tube:
SPI LED Tube Light Spi Led Tube Light,Fairy Tube,Color Changing Tube Lights,Led Digital Tube Shenzhen Iseeled Technology Co., Ltd. , https://www.iseeledlight.com
The A4936 is a complete 3-phase brushless DC motor pre-driver, supplying up to 28 V output for direct, high-current gate drive of an all N-channel power MOSFET 3-phase bridge. The device has three Hall-element inputs , a sequencer for commutaTIon control, fixed off-TIme pulse width modulaTIon (PWM) current control, and locked-rotor detecTIon.
Output current is scaled by the capability of the external MOSFETs. Locked rotor detection delay is set by an external capacitor on the CLD terminal. The PWM, DIR, and BRAKE and STOP inputs can be used to control motor speed, position, and torque. Motor speed can be determined using the FG output from an FG coil amplifier and comparator.
The external MOSFETS can be PWMed using an external signal on the PWM input, or using the internal PWM current regulator. In either case, the A4936 synchronous rectification feature reduces power dissipation by turning-on the appropriate MOSFETs during current decay.
The Hall elements can be inexpensive types, when used with noise filtering to prevent false commutation signals. The A4936 provides a regulated 7.5 V supply to power the three Hall elements. Internal circuit protection includes thermal shutdown with hysteresis, undervoltage lockout, and dead time protection . Special power-up sequencing is not required. Operating temperature range is –20 ℃ to 105 ℃.
The device package is a 32-contact, 5 mm × 5 mm, 0.90 mm nominal overall height QFN, with exposed pad for enhanced thermal dissipation. This small-footprint package is lead (Pb) free, with 100% matte tin leadframe plating.
A4936 main features and advantages:
• Drives 6 N-channel MOSFETs
• Synchronous rectification for low power dissipation
• Internal UVLO and thermal shutdown circuitry
• Hall element inputs
• PWM current limiting
• Dead time protection
• FG outputs
• Standby mode
• Lock detect protection
• Overvoltage protection 
figure 1. A4936 functional block diagram 
figure 2. A4936 Typical Application Block Diagram
A4936 is Allegromicro's complete three-phase brushless DC (BLDC) motor pre-driver, providing up to 28V output, directly used to drive high-current gates of six power N-MOSFETs. Riding a tiger includes three Hall device inputs, sequencer for commutation control, PWM current control and synchronous rotor detection. This article introduces the main features and advantages of A4936, functional block diagram and typical application block diagram.