Worldsemi:

• WS2816B-2121 (https://world-semi.en.alibaba.com/product/62499430072-816813834/WS216B_2121_Intelligent_control_LED_integrated_light_source.html)
  • 5V
  • 1-wire serial (48bit color)
  • dead led backup/bypass wire
  • 10Khz refresh
  • 20mA max
• WS2816B-4020 (https://world-semi.en.alibaba.com/product/62498933377-816813834/WS2816B_4020_Intelligent_control_LED_integrated_light_source.html)
  • 5V
  • 1-wire serial (48bit color)
  • 10Khz refresh
  • side emitting
  • 20mA max
• WS2816C-2121 (https://world-semi.en.alibaba.com/product/62499783086-816813834/WS2816C_2121_Intelligent_control_LED_integrated_light_source.html)
  • 5V
  • 1-wire serial (48bit color)
  • 10Khz refresh
  • dead led backup/bypass wire
  • 12mA max

NEWSTAR LED:

• NS108-5050 (http://www.newstar-ledstrip.com/productshow847.html)
  • 5V
  • DATA+CLOCK protocol (15bit brightness + 48bit color)
  • 18mA max
  • 27Khz PWM
• NS108E-5050 (http://www.newstar-ledstrip.com/productshow848.html)
  • 5V
  • DATA+CLOCK protocol (15bit brightness + 48bit color)
  • 18mA max
  • 4Khz PWM
• NS108E-2020 (http://www.newstar-ledstrip.com/productshow849.html)
  • 5V
  • DATA+CLOCK protocol (15bit brightness + 48bit color)
  • 18mA max
  • 4Khz PWM

• NS107S-5050 16bit (http://www.newstar-ledstrip.com/productshow840.html)
  • replaced by NS108-5050?
  • 5V
  • DATA+CLOCK protocol (15bit brightness + 48bit color)
  • 18mA max
  • 27Khz PWM refresh
• SK9826-5050 16-bit (http://www.newstar-ledstrip.com/productshow846.html)
  • replaced by NS108E-5050?
  • 5V
  • DATA+CLOCK protocol (15bit brightness + 48bit color)
  • 18mA max
  • 4Khz PWM
• SK9826-2020 16-bit (http://www.newstar-ledstrip.com/productshow845.html)
  • replaced by NS108E-2020?
  • 5V
  • DATA+CLOCK protocol (15bit brightness + 48bit color)
  • 18mA max
  • 4Khz PWM

Rose Lighting:

• HD107-5050 16-bit
  • 5V
  • 1-wire protocol
  • originally 8-bit, but apparently available as a 16-bit per channel version
• HD107s-5050 16-bit
  • 5V
  • 1-wire protocol
  • originally 8-bit, but apparently available as a 16-bit per channel version
  • low dropout version