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STD Bench Power Supply copy
Mode: Editors' pick
Cloned from Bench Power Supply
- 0
Update time：
2018-05-10 05:36:46
Creation time：
2018-05-10 05:34:12
Description
*WARNING* This design needs to be revised if you intend to use interrupts for the encoders. I will rework the entire thing to address a few issues, se be warned if you base your design on it.
MSP430-based voltage and current adjustable power supply. Aiming for 0-12V, 0-1A, but can easily be modified for higher voltages and currents. No pre-tracking switchmode for now, might be a good idea for higher voltages and amperage.
Design Drawing
schematic diagram
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| ID | Designator | Footprint | Quantity |
|---|---|---|---|
| 1 | R1SHUNT | RC32 | 1 |
| 2 | U5,LMP7704 | TSSOP-14 | 2 |
| 3 | U6,MSP430 | PW28 | 2 |
| 4 | U7,AD8212 | MSOP-8 | 2 |
| 5 | R4,R7,R2 | R0805 | 3 |
| 6 | R10 | R0805 | 1 |
| 7 | R14,R3,R15,R1,R11 | R0805 | 5 |
| 8 | +16-24V,+7-16V | DCJACK_2MM_SMT | 2 |
| 9 | U1 | Q5-DD | 1 |
| 10 | C1 | C1 | 1 |
| 11 | C4,C3 | C1206 | 2 |
| 12 | C10,C15,C2,C6,C7,C5,C14,C1,C8,C18 | C0805 | 10 |
| 13 | SW1,VOLTAGE | ROTARY_ENC_PLAIN | 2 |
| 14 | SW2,CURRENT | ROTARY_ENC_PLAIN | 2 |
| 15 | C8,C11,C17,C22 | C0805 | 4 |
| 16 | C9,C18 | C1 | 2 |
| 17 | R8,R5,R7 | R0805 | 3 |
| 18 | C12,C13,C16,C20,C23 | C1 | 5 |
| 19 | DISP1,MA,AMPS | 7-SEGMENT-4DIGIT-COUNTER | 3 |
| 20 | U10,MAX7219 | S024W | 2 |
| 21 | DISP3,VOLTS | 7-SEGMENT-4DIGIT-COUNTER | 2 |
| 22 | R13 | R0805 | 1 |
| 23 | U11,5VLDO | TO252 | 2 |
| 24 | J1,OUT | SINGLE THROUGH HOLE | 2 |
| 25 | J2,GND | SINGLE THROUGH HOLE | 2 |
| 26 | Q1 | SOT223 | 1 |
| 27 | P1 | HDR2X7 | 1 |
| 28 | P2 | HDR2X7 | 1 |
| 29 | D8,D9,D10,D1,D2 | DO214 | 5 |
| 30 | 5669,AD5669 | TSSOP-16 | 2 |
| 31 | JP1 | 1X4 | 1 |
| 32 | R1 | 0805 | 1 |
| 33 | C19 | C0805 | 1 |
| 34 | R6 | R0805 | 1 |
| 35 | R9 | R0805 | 1 |
| 36 | R16 | R0805 | 1 |
| 37 | U2,3V3REF | SOIC-8 | 2 |
| 38 | C21 | C1 | 1 |
| 39 | U3,U1 | TO-220-7 | 2 |
| 40 | C13,C16,C20,C22 | C0805 | 4 |
| 41 | JP1 | HDR1X4 | 1 |
| 42 | C17 | C2312 | 1 |
| 43 | FAN | 1X2 | 1 |
| 44 | U3 | SOIC-8 | 1 |
| 45 | C9,C11,C12 | C1206 | 3 |
| 46 | M1 | SOT23 | 1 |
| 47 | J4 | PIN_SOCKET_4X2 | 1 |
| 48 | VOLTAGE | ROTARY_ENC_PLAIN_GOOD | 1 |
| 49 | CURRENT | ROTARY_ENC_PLAIN_GOOD | 1 |
| 50 | Q1 | SOT23 | 1 |
| 51 | R2 | R0805 | 1 |
| 52 | R5 | R0805 | 1 |
| 53 | R20,R22,R23,R24,R25,R26 | R0805 | 6 |
| 54 | R8 | R0805 | 1 |
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