Nextion Foca Max 5V2A Output USB To TTL Serial Converter Board


1 in stock

Foca Max is a USB to TTL serial converter board. With a 8-26V DC external power input, Foca Max brings a stable power source and convenience of USB to TTL communication for all series and sizes of Nextion HMI display

876.00 3,000.00 Excluding GST

1 in stock


Foca Max is a USB to TTL serial converter board with maximum 5.5V2A output. For USB to TTL conversion, the Foca Max can be power supplied by USB only or USB together with external DC 8-26V, The USB and external DC power supplies are isolated by using a diode (SS34) to avoid the current backflowed between them.

Note: as for the Nextion HMI display size less than 4.3”, you can only use the USB for power supply, size large than 4.3”, a external DC 8-26V for power supply is recommended.


  • SILABS CP2102 chip, maximum baud rate of 2Mbps
  • High-power and energy-efficient DC-DC converter chip TPS54331 with 8-26V wide voltage input and 5V2A output
  • Solid capacitors, high Q inductors components
  • LED indicators for input/output power and TX/RX communication
  • Small voltage ripple within 100mA
  • Plug and Use, no firmware programming required


Model name: Foca Max

USB Voltage input: 5-5.5V

USB type: USB 2.0

DC Input: DC 8-26V

DC Power Socket: DC-005 (5.5*2.1mm)

Voltage output: 5-5.5V

Current output: 2A(maximum)

Voltage ripple: <100mV

Working temperature: -20°C ~ 70°C

PCB size: 50mm*50mm*1.6mm

Max baud rate: 2Mbps

TTL level: 3.3V


SKU: IM190620001 Categories: ,
Weight 0.101 kg


Additional information

Model name Foca Max
USB Voltage input 5-5.5V
USB type USB 2.0
DC Input DC 8-26V
DC Power Socket DC-005 (5.5*2.1mm)
Voltage output 5-5.5V
Current output 2A(maximum)
Voltage ripple <100mV
Working temperature -20°C ~ 70°C
PCB size 50mm*50mm*1.6mm
Max baud rate 2Mbps
TTL level 3.3V

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