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jerryok826
The hardware and software for a small stm32 based lab power supply
| Reference | Value | Description |
|---|---|---|
| Q1,Q2 | DMP3099L-7 | DMP3099L-7 MOSFET P-CH SOT23 |
| Q3 | MMBT3904 | MMBT3904 NPN |
| U1 | mcp23017 | I2C 16 bit Expander |
| U2 | OLED Display | |
| U3 | TPS7B6933QDCYRQ1 | TPS7B6933QDCYRQ1 |
| U4 | 3.3V | 3.3 volt fixed regulator, 800mA |
| U5 | STM32F103RCT6,stm32f103rbt6 |
| stm32f103rbt6 |
| U6 | TPS3808G33 | TPS3808G33 |
|---|
| U7 | AT42QT1012 | CAP QTouch Chip |
|---|
| U8 | AT42QT1070 | QTouch IC |
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| U10 | TPS62173DSGT | IC REG BUCK ADJ 0.5A SYNC 8WSON |
|---|
| BOOT1,BOOT2 | TP | Test Point White |
|---|
| C1,C4,C6,C8,C11,C13,C15,C18,C19,C21,C23-C27,C31-C37,C39-C43 | 0.1uF 0603 50V | 0.1uF 0603 50V |
|---|
| C2,C3,C5,C7,C9,C12,C14,C16,C17,C22 | 10uF | 10UF 0603 16V |
|---|
| C10 | 22uF | CAP CER 22UF 10V 20% 0603 |
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| C28 | 1uF | 1uF 0603 10V |
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| C29,C30 | 33pF | CAP CER 33PF 50V 5% NP0 0603 |
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| CN1 | Header 8X2A | Header, 8-Pin, Dual row |
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| CN2 | PJ-050AH | Power Barrel Connector Jack 2.00mm ID 5.50mm OD Through Hole, Right Angle |
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| CN4 | Header 5X2A | Header, 5-Pin, Dual row |
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| CN5 | Mini-USB RA Type B | Mini-USB RA Type B 2A |
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| CS1-CS4 | Cap_Sense_Pad |
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| F1 | 2920L500/16MR | PTC RESET FUSE 16V 5A 2920 |
|---|
| FB1 | 300 Ohm @ 100MHz, 0806 | 40 OHM 0805 1.5A |
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| FB2 | BLM18RK601SN1D | FERRITE 120 OHM 0603 500mA |
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| J1,J2 | banana_jack1 |
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| L1 | 2.2uH | FIXED IND 2.2UH 1.9A 117 MOHM |
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| LED1-LED6 | G | 0603 SMD LED |
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| P2 | jtag_debug |
|---|
| R1,R2,R5-R12,R14-R17,R21,R27,R28,R38,R41-R43,R45,R48 | 4.7K | 4.7K 0603 |
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| R3,R4,R13,R23,R26,R32,R37,R46,R49,R50 | 1.0K | 1.0K 0603 |
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| R18,R25,R34 | 100K | 100K 0603 |
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| R29,R30 | 100 | 100 0603 |
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| R31 | 10K 1% | 10K 0603 |
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| R35,R36 | 22 | Res Thick Film 0603 22 Ohm 5% 1/10W ±100ppm/C Molded SMD Paper T/R |
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| R47 | 1.54K | RES 1.54K OHM 1/10W 1% 0603 SMD |
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| R51-R54 | 5.1K | ERJ3EKF5101V SMD Chip Resistor, Thick Film, 5.1 kohm, 75 V, 0603, 100 mW, 1%, ERJ3E Series |
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| S1,S5 | rotary encoder |
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| X1 | 8.0000MHZ | XTAL OSC TCXO 12.0000MHZ HCMOS |
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