License

GPL 3.0

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8-Channel Solenoid Driver

2 months ago 69
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

12V 50Ω solenoid driver. Can be chained to control more than eight solenoids.

The solenoid driver uses a shift register with a latch to control its outputs such that a singe microcontroller (e.g. Arduino) can control large amounts of solenoids whilst only requiring 3 output pins.


Known issues:

  • Too big thermals reliefs on; U1-pin8, R12..R15, R24..R27 (they cool too quickly while soldering)
  • Too bright LEDs; LED1..LED10 (4mA still seems to be too much current for the chosen LEDs)

Documents

SCH 8-Channel Solenoid Driver

PCB 8-Channel Solenoid Driver

BOM

ID Name Designator Footprint Quantity
1 IDC_2X5 X1,X2 TH_IDC_2X5_P2.54 2
2 1N4001 D3,D1,D5,D6,D8,D2,D7,D4 TH_DO-41_D2.4_L4.0_P8.00 8
3 470u C3 TH_CAP_D10_L13_P5_HORIZONTAL 1
4 74HC595D,118 U1 SOIC-16_150MIL 1
5 5AR2ST10 LED6,LED9,LED10,LED4,LED2,LED5,LED8,LED7,LED3,LED1 TH_LED_D5_P2.54 10
6 10k R27,R26,R25,R24,R15,R14,R13,R12 0805 8
7 1k R10,R22,R8,R9,R11,R23,R21,R20 0805 8
8 2k4 R18,R19,R5,R7,R17,R16,R6,R4 0805 8
9 100R R3 0805 1
10 2k7 R2 0805 1
11 750 R1 0805 1
12 M3_Hole MH1,MH2 MOUNTINGHOLE_3.2MM_M3_ISO14580_PAD 2
13 Micro JST 2-Pin X10,X7,X8,X9,X5,X6,X4,X3 TH_MICRO-JST_1X2_P1.25_HORIZONTAL 8
14 BD139 Q6,Q8,Q1,Q3,Q4,Q2,Q7,Q5 TH_TO126_REVERSED_NOHOLE 8
15 100nF C1 C0805 1

Attachments

Filename Download
74HC595.PDF

Members

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