#第六届立创电赛#音频功放 - 立创电子设计大赛

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<div class="document"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;">注：* 为必填项</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"><strong><span style="color: #0093e6;">请在报名阶段填写 ↓</span></strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;">* 1、项目功能介绍</h3> <hr class="horizontal-splitline normal-bold-2"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"><span style="color: #95a5a6; font-size: 14px;">实现蓝牙、有线双通道声音输入，左右双声道声音输出。是一个DIY小音箱的电路图部分。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"><span style="color: #95a5a6; font-size: 14px;">原理图其实是copy而来，我想先练习一下自己的布线能力（这也是我参加此次比赛的目的）因为材料费有点大且没有报名参加训练营，而且在学校经常焊接，所以就只做pcb部分，也是解决了我自己创作（除原理图）PCB的问题。哦！唯一的创新是在GND和ADNG之间添加了0Ω电阻</span></p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;">*2、项目属性</h3> <hr class="horizontal-splitline normal-bold-2"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"><span style="color: #95a5a6; font-size: 14px;">此为柴工的原理图，我的pcb，我的PCB确实是首次公开，原创。其他就没了。</span></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;">* 3、开源协议</h3> <hr class="horizontal-splitline normal-bold-2"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"><span style="color: #95a5a6; font-size: 14px;"><strong class="ql-size-13">Public Domain</strong></span></p> <p style="line-height: 1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"><strong><span style="color: #0093e6;">请在竞赛阶段填写 ↓</span></strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;">*4、硬件部分</h3> <hr class="horizontal-splitline normal-bold-2"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;">立创的项目</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;">*5、BOM清单</h3> <hr class="horizontal-splitline normal-bold-2"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/Ml0spi4stR4Hrg1AJdoHtdx2mRnWJXQkK80dr55s.png" alt="第一张BOM，其实和柴工的一模一样" width="1128" height="589"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height: 1.8;"> </p> </div>

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蓝牙功放

PCB_#第六届立创电赛#音频功放

BOM

ID	Name	Designator	Footprint	Quantity
1	1uF	C1,C2,C3,C4,C5,C6	C0805	6
2	1uF	C7,C32	CAP-TH_L7.2-W4.5-P5.00-D0.6	2
3	220uF	C8,C13,C20,C21,C38	CAP-SMD BD10.0-L10.3-W10.3	5
4	1nF	C9,C10,C22,C23,C28,C29	C0805	6
5	100nF	C11,C12,C33,C34,C35,C36,C37,C40,C42,C44,C45	C0805	11
6	220nF	C14,C15,C16,C17	C0805	4
7	680nF	C18,C19,C30,C31	CAP-TH_L7.2-W4.5-P5.00-D0.6	4
8	10nF	C24,C25,C26,C27	C0805	4
9	47uF	C39	6.3X5.4_JX	1
10	10uF	C41,C47	C0805	2
11	47uF	C43,C46	6.3X5.4_JX	2
12	HX25035-2A	CN1	CONN-TH_P2.50_HX25035-2A	1
13	PJ-321B	CN2	AUDIO-TH_PJ-321B	1
14	HX25035-3A	CN4	CONN-TH_3P-P2.50_HX25035-3A	1
15	SS54	D1	SMC_L7.1-W6.2-LS8.1-RD	1
16	SS14	D2	SMA_L4.4-W2.8-LS5.4-RD	1
17	DC-005A-20A	DC1	DC-IN-TH_DC-005A-20A	1
18	K2-1101UT-B4SW-01_JX	DOWN,ON/OFF,PAUSE,UP	SW-SMD-6X6X5	4
19	10uH	L1,L2,L3,L4	IND-SMD_L12.5-W12.5_SLF12565T-331MR87-H	4
20	100mH	L5	C0805	1
21	Y2C	LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9,LED10,LED11,LED12,LED13,LED14,LED15,LED16,LED17,LED18,LED19,LED20	LED-SMD_L3.5-W2.8-R-RD	20
22	Green/LED	LED21	LED0805_GREEN	1
23	2.54mm 1*2P	P1,P2	HDR-TH_2P-P2.54-V-M	2
24	100K	R1,R3,R36,R37	R0805	4
25	51K	R2,R38	R0805	2
26	20K	R4	R0805	1
27	750K	R5	R0805	1
28	3.3R	R6,R7,R9,R10	R0805	4
29	20K	R8,R15,R21,R30	R0805	4
30	10K	R11,R12,R13,R14,R24,R27,R35	R0805	7
31	1K	R17,R18,R22,R29,R33,R34	R0805	6
32	100E	R19,R32	R0805	2
33	2.2K	R20,R31	R0805	2
34	50K	R23,R28	RES-ADJ-TH_3362P	2
35	10E	R25,R26	R0805	2
36	33K	R39	R0805	1
37	9.1K	R40	R0805	1
38	0R	R41,R42	R0805	2
39	0	R43	R0805	1
40	SS-1260L-G2	SW1	SW-SMD_SS-1260L-G2	1
41	K3-1391D-5MM	SW2	SW-TH_K3-1391D-5MM	1
42	TPA3116D2DAD	U1	HTSSOP-32_L11.0-W6.1-P0.65-LS8.1-BL	1
43	DG127-5.08	U2,U3,U9	CONN-TH_DG127-5.08-02P-14-02A	3
44	NE5532AD8G	U4,U5	SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL	2
45	LM3915N-1NOPB	U6,U8	DIP18	2
46	BT_M18	U7	HDR-TH_6P-P2.54-V-M	1
47	CJ7812	U10	TO-252-2_L6.5-W6.1-P4.58-LS10.0-TL	1
48	MC7805	U12	TO-252-2_L6.6-W6.1-P4.57-LS9.9-TL-CW	1
49	电位器	R16	双联电位器	1