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STD BBBPMv1 SMD MINI

License: Public Domain

Mode: Editors' pick

Cloned from Bluetooth Boom Box Power Module V1.0

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Update time: 2021-07-10 20:48:01
Creation time: 2019-10-12 17:30:04
Description
Power control module for portable bluetooth speaker. Features: - Reverse polarity protection - Low voltage shutoff (arduino controlled) - Unstable power shutoff (arduino controlled) - Single button on/off control - MOSFET switches can drive high power DC-DC converters - Two sequenced high power outputs (Amp power + Bluetooth/DSP power) - Mute input (for disable amp power when no bluetooth connection) - Zero power draw when shut off Arduino Nano sketch attached.
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 22uf C1,C3,C8 C1206-POLARIZED 3
2 100n C2 C1206 1
3 1uf C5,C7 C1206-POLARIZED 2
4 4.7uf C6 C1206-POLARIZED 1
5 MMSD914T1G D1,D4 SOD-123 2
6 4.7v D2 SOD-123_L2.8-W1.8-LS3.7-RD 1
7 20v D3 SOD-123_L2.8-W1.8-LS3.7-RD 1
8 10A FUSE MCCQ-122-MINIBLADEFUSEHOLDER 1
9 ICSP ICSP HDR-TH_6P-P2.54-V-R2-C3-S2.54 1
10 Acc LED1 LED0603-FD 1
11 STATUS LED2 LED0603-FD 1
12 Amp LED3 LED0603-FD 1
13 VIn P1 WJ2EDGVC-5.08-2P 1
14 Vacc P2 WJ2EDGVC-5.08-3P 1
15 Amp P3 WJ2EDGVC-5.08-2P 1
16 LED P4 JST_XH_2X2.50MM_VERT 1
17 BTN P5 JST_XH_2X2.50MM_VERT 1
18 MUTE P6 JST_XH_2X2.50MM_VERT 1
19 Sense P7 JST_XH_2X2.50MM_VERT 1
20 5V P8,P9,P10 JST_XH_2X2.50MM_VERT 3
21 I2C P11 JST_XH_B04B-XH-A_04X2.50MM_STRAIGHT 1
22 IRF4905 Q1,Q2,Q3 TO-220AB-3_L10.4-W4.6-P2.54-T 3
23 BC847 Q6,Q7 SOT-23(SOT-23-3) 2
24 120 R1,R8 R0603 2
25 100k R2,R4,R9 R0805 3
26 10k R3,R5,R13,R14,R17,R20 R0805 6
27 1k R6,R7,R15,R25 R0805 4
28 4.7k R10,R16,R18,R19 R0805 4
29 47k R11,R21,R24 R0805 3
30 7.5k R12,R22,R23 R0805 3
31 BUTTON 6X3X2.5 SW2 SW2-4.0-6.0X3.0X2.5MM 1
32 78M05 U1 TO-252-2 1
33 EBOOT_BUCK U2 EBOOT_BUCK 1
34 ATMEGA328P-AU U3 TQFP-32_L7.0-W7.0-P0.80-LS9.0-TL 1
35 16MHz X1 3213 1

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