DPU-550 Bill of Materials
The bill of materials for the DPU-550 Full design is listed in the following table.
| Item | Qty | Ref Des | Distributor | Dist Part # | Description |
| 1 | 2 | C1,C2 | DigiKey | 490-1403-1-ND | CAP,CER,10PF,5%,X7R,50V,0603 |
| 2 | 2 | C3,C27 | DigiKey | 490-1511-1-ND | CAP,CER,10NF,10%,X7R,50V,0603 |
| 3 | 2 | C4,C14 | DigiKey | 490-1494-1-ND | CAP,CER,1NF,10%,X7R,50V,0603 |
| 4 | 22 | C5,C6,C7,C8,C9,C10,C11,C12, C13,C20,C21,C22,C23,C24,C25, C26,C29,C30,C34,C35,C38,C41 |
DigiKey | 490-1519-1-ND | CAP,CER,0.1UF,10%,X7R,50V,0603 |
| 5 | 7 | C15,C28,C32,C33,C37,C40,C42 | DigiKey | 445-1391-1-ND | CAP,CER,10UF,10%,Y5V,16V,1206 |
| 6 | 1 | C16 | DigiKey | 490-1696-1-ND | CAP,CER,2.2UF,10%,X7R,10V,0805 |
| 7 | 2 | C17,C18 | DigiKey | 490-1407-1-ND | CAP,CER,15PF,5%,X7R,50V,0603 |
| 8 | 1 | C19 | DigiKey | 490-1415-1-ND | CAP,CER,33PF,5%,X7R,50V,0603 |
| 9 | 3 | C31,C36,C39 | DigiKey | 718-1313-1-ND | CAP,TANT,100UF,10%,6.3V,3528 |
| 10 | 1 | C43 | DigiKey | 718-1501-1-ND | CAP,TANT,33UF,10%,16V,3528 |
| 11 | 4 | D1,D2,D3,D4 | DigiKey | SS22-E3/52TGICT-ND | DIODE,SCHOTTKY,RECT,20V,2A,SMB |
| 12 | 2 | D5,D6 | DigiKey | 1N4448WSFSCT-ND | DIODE,SMALL SIGNAL,100V,4NS,SOD-323 |
| 13 | 1 | J1 | DigiKey | WM8125-ND | HEADER 2X7 14 POS TIN 0.100 SPC 0.230" LN" |
| 14 | 4 | J2,J3,J4,J8 | DigiKey | A19470-ND | HEADER 3 POS TIN STR MTA-100 W/ FRIC LCK |
| 15 | 1 | J5 | DigiKey | 151-1083-ND | CONN,USB,TYPE B,VERT |
| 16 | 2 | J6,J9 | DigiKey | A1922-ND | HEADER 4 POS TIN STR MTA-100 W/ FRIC LCK |
| 17 | 2 | J7,J10 | DigiKey | WM8120-ND | HEADER 2X2 4 POS TIN 0.100 SPC 0.230" LN" |
| 18 | 3 | J11,J12,J15 | DigiKey | A1921-ND | HEADER 2 POS TIN STR MTA-100 W/ FRIC LCK |
| 19 | 1 | J13 | DigiKey | WM8073-ND | HEADER 3 POS TIN 0.100 SPC 0.230" LN" |
| 20 | 1 | J14 | DigiKey | WM8072-ND | HEADER 2 POS TIN 0.100 SPC 0.230" LN" |
| 21 | 2 | J16,J17 | DigiKey | S7012-ND | HEADER 14 POS FEMALE TIN 0.100 SPC" |
| 22 | 1 | L1 | DigiKey | 513-1080-1-ND | IND,PWR,UP2B,33UH,2.1A,SMD |
| 23 | 2 | R1,R11 | DigiKey | RHM1.5KGCT-ND | RESISTOR,R0603,1.5K,1/10W,0.05 |
| 24 | 9 | R2,R3,R4,R5,R6,R20,R21,R28,R29 | DigiKey | RHM100KGCT-ND | RESISTOR,R0603,100K,1/10W,0.05 |
| 25 | 2 | R7,R8 | DigiKey | RHM0.0GCT-ND | RESISTOR,R0603,0,1/10W,0.05 |
| 26 | 2 | R9,R10 | DigiKey | RHM27GCT-ND | RESISTOR,R0603,27,1/10W,0.05 |
| 27 | 15 | R12,R13,R14,R15,R22,R23,R24,R25, R26,R27,R30,R31,R32,R33,R34 |
DigiKey | RHM10KGCT-ND | RESISTOR,R0603,10K,1/10W,0.05 |
| 28 | 1 | R16 | DigiKey | RHM10.0KHCT-ND | RESISTOR,R0603,10K,1/10W,0.01 |
| 29 | 1 | R17 | DigiKey | RHM3.16KHCT-ND | RESISTOR,R0603,3.16K,1/10W,0.01 |
| 30 | 2 | R18,R19 | DigiKey | RHM1.0GCT-ND | RESISTOR,R0603,1,1/10W,0.05 |
| 31 | 1 | S1 | DigiKey | EG2505-ND | SWITCH 6MM TACT 17MM 160GF |
| 32 | 1 | U1 | DigiKey | AT91SAM7S256AU001-ND | IC,ARM7,MCU,32-BIT,256K,3.3V,64 PIN,LQFP |
| 33 | 2 | U2,U6 | DigiKey | LM393DGOS-ND | IC,COMP,DUAL,LV OFFSET,8 PIN,SOIC |
| 34 | 1 | U3 | DigiKey | 296-14536-1-ND | IC,QUAD ANALOG SWITCH,16 PIN,SOIC |
| 35 | 1 | U4 | DigiKey | AT24C64CN-SH-B-ND | IC,SERIAL EEPROM,64K,LP,LV,8 PIN,SOIC |
| 36 | 1 | U5 | DigiKey | 296-19851-1-ND | IC,DRVR/RCR,MULTCH,RS232,16 PIN,SOIC |
| 37 | 1 | U7 | DigiKey | 296-19671-5-ND | IC,PWM CONV,STEP DOWN,2A,9 PIN,SOIC |
| 38 | 1 | U8 | DigiKey | 296-11032-1-ND | IC,VREG,LDO,FXD,POS,1.5V,100MA,SOT23-5 |
| 39 | 1 | U9 | DigiKey | 296-11039-1-ND | IC,VREG,LDO,FXD,POS,3.3V,100MA,SOT23-5 |
| 40 | 1 | Y1 | DigiKey | 535-9072-1-ND | CRYSTAL,18.432MHZ,18PF,FUND,HC-49/US |
The following parts are needed for the enclosure to add the additional hardware capabilities of the DPU-550 Full. This includes parts to add the power jumper cable, up to two additional scale plugs, and up to 3 additional edge/tach ports.
| Item | Qty | Distributor | Dist Part # | Description |
| 1 | 2 | Mouser | 571-6404422 | MTA-100 2 pin receptacle |
| 2 | up to 3 | Mouser | 571-6404423 | MTA-100 3 pin receptacle |
| 3 | up to 2 | Mouser | 571-6404424 | MTA-100 4 pin receptacle |
| 4 | up to 2 | Mouser | 161-2104 | Panel Mount 4 pin Mini-DIN Connector |
| 5 | up to 3 | Mouser | 161-7300 | Stereo 3.5mm Jack |