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3.5" LCD PMOD

author: daveshah
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2 layer board of 2.57 x 2.96 inches (65.2 x 75.2 mm)
Uploaded: January 3rd 2018
Shared: January 29th 2018
Total Price: $37.90

This allows 3.5" LCDs with a 54-pin connector to be connected to an FPGA board with dual PMODs, using either 8-bit serial RGB or YUV422 modes.

GitHub repo: https://github.com/daveshah1/pmods

BOM:

  • R1, R3-R9: 10kΩ 0603 resistors
  • R2: 10Ω 0603 resistor
  • C1, C4: 10µF 6.3V 0805 capacitor
  • C2: 220nF 10V 0603 capacitor
  • C3: 1µF 50V 0805 capacitor
  • U1: TPS61165DBV LED boost converter IC
  • L1: 10µH A915AY-100M inductor
  • D1: MBR0540 diode
  • J1, J2: 2x6 2.54mm right angle THT header
  • LCD1: 54-pin Molex 51296-5494 connector; LQ035NC111 LCD or equivalent
  • JP1: 2x3 2.54mm straight THT header

For serial RGB operation, JP1 pins 1 and 2 (bit 0 on the PCB) should be shorted with a jumper.

Errata: C1 and R1’s labels are swapped on the PCB silkscreen, note the capacitor is 0805 (10µF) and the resistor 0603 (10kΩ) to tell these apart.

This allows 3.5" LCDs with a 54-pin connector to be connected to an FPGA board with dual PMODs, using either 8-bit serial RGB or YUV422 modes.

GitHub repo: https://github.com/daveshah1/pmods

BOM:

  • R1, R3-R9: 10kΩ 0603 resistors
  • R2: 10Ω 0603 resistor
  • C1, C4: 10µF 6.3V 0805 capacitor
  • C2: 220nF 10V 0603 capacitor
  • C3: 1µF 50V 0805 capacitor
  • U1: TPS61165DBV LED boost converter IC
  • L1: 10µH A915AY-100M inductor
  • D1: MBR0540 diode
  • J1, J2: 2x6 2.54mm right angle THT header
  • LCD1: 54-pin Molex 51296-5494 connector; LQ035NC111 LCD or equivalent
  • JP1: 2x3 2.54mm straight THT header

For serial RGB operation, JP1 pins 1 and 2 (bit 0 on the PCB) should be shorted with a jumper.

Errata: C1 and R1’s labels are swapped on the PCB silkscreen, note the capacitor is 0805 (10µF) and the resistor 0603 (10kΩ) to tell these apart.

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      Since this is a project designed by a community member, it may contain design errors that prevent it from working as intended. OSH Park cannot place any guarantees about the functionality or correctness of the design.
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