From blwiki
Jump to: navigation, search

USB to TTL Serial plus LiPo charger plus 5V Switching Mode Power Supply



  • FTDI USB to TTL Serial
    • Standard FTDI 6-pin header
    • 5V or 3.3V jumper selectable output voltage on FTDI header
    • 500 mA fuse on USB input
  • LiPoly battery charger
    • JST connector
    • 500 mA charge current
    • Red LED charge state indicator (on while charging)
  • 5V Switching Mode Power Supply
  • Header for external power switch
  • Header for external TX/RX LEDs
    • Resistors on board so LEDs can be hooked up directly
  • 2x3 pin 0.1" spacing output connector
    • Several external cards can be connected
  • Four mounting holes
    • 4-40


J1 - Mini-USB B

  • 5-pin
  • On rear of card


6x1 pin, 0.1" header


J3 - LiPoly battery

Standard pinout


J4 - Output Power Connector

2x3 pin, 0.1" header


H1 - FTDI Output Voltage

Selects what the output voltage on the FTDI connector will be.



  • Board has built-in LEDs.
  • One LED output for Transmit.
  • One LED output for Receive.


H3 - Power Switch

  • Close these two pins to power the board.
  • This will take the output voltage from the battery and connect it to the Switching Mode Power Supply.




Parts List

Qty Value RefDes Manufacturer ManufacturerPN Vendor VendorPN
1 0.1uF C1 Murata GRM155F51E104ZA1J Mouser 81-GRM155F51E104ZA1J
2 10uF C2,C3 Vishay/Vitramon VJ1206V106ZXQTW1BC Mouser 77-VJ1206V106ZXQTBC
2 4.7uF C4,C5 Vishay VJ1206V475MXJTW1BC Mouser 77-VJ1206V475MXJTBC
1 680pF C6 Vishay VJ0805Y681JXXCW1BC Mouser 77-VJ0805Y681JXXCBC
1 LED DS1 Lite-On LTST-C170KRKT Mouser N/A
1 MBR0520LT1G D1 ON Semiconductor MBR0520LT1G Mouser 863-MBR0520LT1G
1 FUSE F1 Cooper Bussman PTS120615V050 Mouser PTS120615V050
1 CONN_2 H3 N/A N/A N/A N/A
1 CONN_2X2 H2 N/A N/A N/A N/A
1 CONN_3 H1 FCI 68002-103HLF Mouser 649-68002-103HLF
1 CONN_3X2 J4 N/A N/A N/A N/A
1 CONN_6 J2 FCI 68002-106HLF Mouser 649-68002-106HLF
1 JST_2 J3 JST Sales America Inc S2B-PH-SM4-TB(LF)(SN) Mouser 455-1749-1-ND
1 USB-B J1 Hirose UX60SC-MB-5ST(80) Mouser 798-UX60SC-MB-5ST80
1 10uH L1 Bourns SRN3015-100M Mouser 652-SRN3015-100M
1 1K R6 Vishay CRCW08051K00JNEA Mouser 71-CRCW0805J-1K-E3
1 1M R5 Vishay CRCW08051M00FKEA Mouser 71-CRCW0805-1.0M-E3
1 2.2K R1 Vishay CRCW08052K20JNEB Mouser 71-CRCW08052K20JNEB
1 270 R3 TE CRG0805F270R Mouser 279-CRG0805F270R
1 270 R4 TE CRG0805F270R Mouser 279-CRG0805F270R
1 3.09K R7 KOA Speer RK73H2ATTE3091F Mouser 660-RK73H2ATTE3091F
1 470 R2 KOA Speer RK73B2ATTD472J Mouser 660-RK73B2ATTD472J
1 FT230XS U1 FTDI FT230XS-R Mouser 895-FT230XS-R
1 LMR62014 U3 TI LMR62014XMFE/NOPB Mouser 926-LMR62014XMFENOPB
1 MCP73831 U2 Mirochip MCP73831T-2ACI/OT Mouser 579-MCP73831T-2ACIOT

Parts List / Assembly Order

Assembly Sheet