IS802豫之鑫变压器测试

xutong

IS802豫之鑫变压器测试 [复制链接]

测试平台

测试电路

变压器1：YZXBYQ001(6*3)

变压器1：YZXBYQ001(6*2.5)

效率表格（6*2.5）：

输入电压	输入电流	输入功率	输出电压	输出电流	输出功率	效率
5	2.60E-02	1.30E-01	6.445
5	4.00E-02	2.00E-01	6.351	1.00E-02	6.35E-02	31.76%
5	9.30E-02	4.65E-01	6.2373	5.00E-02	3.12E-01	67.07%
5	1.60E-01	8.00E-01	6.1197	1.00E-01	6.12E-01	76.50%
5	2.26E-01	1.13E+00	6.0287	1.50E-01	9.04E-01	80.03%
5	2.93E-01	1.47E+00	5.9235	2.00E-01	1.18E+00	80.87%
5	4.25E-01	2.13E+00	5.7262	3.00E-01	1.72E+00	80.84%
5	5.56E-01	2.78E+00	5.5268	4.00E-01	2.21E+00	79.52%
5	6.23E-01	3.12E+00	5.423	4.50E-01	2.44E+00	78.34%
3.3	1.60E-02	5.28E-02	4.1549		0.00E+00	0.00%
3.3	3.00E-02	9.90E-02	4.0828	1.00E-02	4.08E-02	41.24%
3.3	8.30E-02	2.74E-01	3.9623	5.00E-02	1.98E-01	72.33%
3.3	1.50E-01	4.95E-01	3.8369	1.00E-01	3.84E-01	77.51%
3.3	2.16E-01	7.13E-01	3.7214	1.50E-01	5.58E-01	78.31%
3.3	2.83E-01	9.34E-01	3.6059	2.00E-01	7.21E-01	77.22%
3.3	4.15E-01	1.37E+00	3.385	3.00E-01	1.02E+00	74.15%
3.3	5.46E-01	1.80E+00	3.1655	4.00E-01	1.27E+00	70.27%
3.3	6.13E-01	2.02E+00	3.0538	4.50E-01	1.37E+00	67.93%
3.3	7.45E-01	2.46E+00	2.8152	5.50E-01	1.55E+00	62.98%
3.3	9.43E-01	3.11E+00	2.415	7.00E-01	1.69E+00	54.32%

效率表格（6*3）：

输入电压	输入电流	输入功率	输出电压	输出电流	输出功率	效率
5	2.60E-02	1.30E-01	6.426
5	4.00E-02	2.00E-01	6.3042	1.00E-02	6.30E-02	31.52%
5	9.30E-02	4.65E-01	6.1945	5.00E-02	3.10E-01	66.61%
5	2.94E-01	1.47E+00	5.7643	2.00E-01	1.15E+00	78.43%
5	5.58E-01	2.79E+00	5.426	4.00E-01	2.17E+00	77.79%
5	6.25E-01	3.13E+00	5.283	4.50E-01	2.38E+00	76.08%
3.3	1.60E-02	5.28E-02	4.171		0.00E+00
3.3	3.00E-02	9.90E-02	4.0857	1.00E-02	4.09E-02	41.27%
3.3	8.30E-02	2.74E-01	3.953	5.00E-02	1.98E-01	72.16%
3.3	2.16E-01	7.13E-01	3.6848	1.50E-01	5.53E-01	77.54%
3.3	4.16E-01	1.37E+00	3.2777	3.00E-01	9.83E-01	71.63%
3.3	6.18E-01	2.04E+00	2.8446	5.00E-01	1.42E+00	69.74%
3.3	7.47E-01	2.47E+00	2.7062	5.50E-01	1.49E+00	60.38%

变压器饱和频率测试（6*2.5）：

250Khz 变压器电流波形

200Khz变压器电流波形

100Khz 变压器电流波形

70Khz变压器电流波形

带载工作电流波形

芯片内部频率 3.3V 输入带载450mA，D1电压波形和 VCC电流波形

变压器饱和频率测试（6*3）：

200Khz变压器电流波形

150Khz变压器电流波形

110Khz变压器电流波形

100Khz电流波形

带载工作电流波形

芯片内部频率 3.3V 输入带载450mA，D1电压波形和 VCC电流波形

xutong

效率什么都是手动测得，所以比较麻烦，

应该用Pyvisa 写个程序自动测，在这里留个action 后续更新

xutong

电源配合电子负载测试板子效率 - 测试/测量 - 电子工程世界-论坛 (eeworld.com.cn)

填坑

xjtburden

一般测试芯片还是人工来看波形靠谱一点

xutong

xjtburden 发表于 2023-10-3 01:02 一般测试芯片还是人工来看波形靠谱一点

直接设置好，读示波器导出的csv文件就行

xutong · 发表于2023-12-19 16:09

某宝上海某x公司的变压器 TR954 10:10:10:10 测试结果

输入电压(V)	输入电流(A)	输入功率(W)	输出电压(V)	输出电流(A)	输出功率(W)	效率
5	0.03	0.15	4.7089	0.0097	0.04567633	30.5%
5	0.04	0.2	4.6744	0.0196	0.09161824	45.8%
5	0.05	0.25	4.651	0.0297	0.1381347	55.3%
5	0.07	0.35	4.6055	0.05	0.230275	65.8%
5	0.1	0.5	4.566	0.0802	0.3661932	73.2%
5	0.119	0.595	4.543	0.0994	0.4515742	75.9%
5	0.17	0.85	4.44	0.1498	0.665112	78.2%
5	0.22	1.1	4.3668	0.2002	0.87423336	79.5%
5	0.27	1.35	4.295	0.2504	1.075468	79.7%
5	0.319	1.595	4.243	0.2999	1.2724757	79.8%
5	0.348	1.74	4.2015	0.3298	1.3856547	79.6%
5	0.368	1.84	4.1669	0.3499	1.45799831	79.2%
5	0.389	1.945	4.1602	0.3705	1.5413541	79.2%
5	0.418	2.09	4.08784	0.4004	1.636771136	78.3%
5	0.437	2.185	4.1054	0.4196	1.72262584	78.8%
5	0.467	2.335	4.0672	0.4494	1.82779968	78.3%
5	0.477	2.385	4.0542	0.4603	1.86614826	78.2%
5	0.496	2.48	4.0214	0.4794	1.92785916	77.7%
5	0.496	2.48	4.0363	0.4796	1.93580948	78.1%
5	0.526	2.63	4.0021	0.5094	2.03866974	77.5%
5	0.567	2.835	3.9507	0.5502	2.17367514	76.7%
3.3	0.0191	0.06303	3.0117	0.0098	0.02951466	46.8%
3.3	0.029	0.0957	2.9755	0.0199	0.05921245	61.9%
3.3	0.06	0.198	2.9091	0.0502	0.14603682	73.8%
3.3	0.089	0.2937	2.8551	0.0803	0.22926453	78.1%
3.3	0.108	0.3564	2.8232	0.0995	0.2809084	78.8%
3.3	0.159	0.5247	2.7455	0.15	0.411825	78.5%
3.3	0.209	0.6897	2.6713	0.2002	0.53479426	77.5%
3.3	0.258	0.8514	2.5997	0.25	0.649925	76.3%
3.3	0.307	1.0131	2.5289	0.2997	0.75791133	74.8%
3.3	0.357	1.1781	2.4657	0.35	0.862995	73.3%
3.3	0.407	1.3431	2.3984	0.4002	0.95983968	71.5%
3.3	0.456	1.5048	2.3304	0.4496	1.04774784	69.6%
3.3	0.505	1.6665	2.2653	0.4997	1.13197041	67.9%
3.3	0.526	1.7358	2.2307	0.5201	1.16018707	66.8%
3.3	0.555	1.8315	2.1952	0.5502	1.20779904	65.9%
3.3	0.576	1.9008	2.1685	0.5705	1.23712925	65.1%

gugugugugu123

gugugugugu123

本帖最后由 gugugugugu123 于 2024-1-19 15:04 编辑

LT51-120-5	ELoad I	Efficency
	0.0088	40%
	0.0189	58%
	0.0291	67%
	0.0392	72%
	0.0494	77%
	0.0594	78%
	0.0696	80%
	0.0796	81%
	0.0899	82%
	0.1	84%
	0.1099	83%
	0.1199	83%
	0.15	85%
	0.2	84%
	0.25	83%
	0.3	82%
	0.35	80%
	0.3999	78%
	0.4198	77%
	0.4498	76%
	0.4798	74%
	0.4999	73%
	0.5198	72%
	0.5499	70%
	0.5796	68%
LT51-120-3.3V	ELoad I	Efficency
	0.0088	54%
	0.0189	69%
	0.0291	76%
	0.0391	79%
	0.0494	82%
	0.0594	82%
	0.0696	82%
	0.0796	82%
	0.0899	82%
	0.1	83%
	0.1099	82%
	0.1199	82%
	0.1501	82%
	0.2	79%
	0.25	76%
	0.2999	73%
	0.35	69%
	0.3999	66%
	0.4199	64%
	0.4498	62%
	0.4798	59%
	0.4999	57%
	0.5198	55%
	0.5498	52%
	0.5796	48%
LT51-111-3.3V	ELoad I	Efficency
	0.0088	40%
	0.019	57%
	0.0291	65%
	0.0392	70%
	0.0494	75%
	0.0594	75%
	0.0696	76%
	0.0797	77%
	0.1	79%
	0.1099	78%
	0.1199	78%
	0.1501	79%
	0.2	77%
	0.25	75%
	0.3	73%
	0.35	71%
	0.3999	68%
	0.4199	68%
	0.4498	66%
	0.4798	65%
	0.4999	64%
	0.5198	63%
	0.5499	61%
	0.5796	60%
LT51-111-5V	ELoad I	Efficency
	0.0089	29%
	0.019	45%
	0.0291	55%
	0.0392	62%
	0.0494	68%
	0.0594	69%
	0.0696	72%
	0.0797	74%
	0.0899	75%
	0.1099	77%
	0.1199	78%
	0.1	78%
	0.15	80%
	0.1999	81%
	0.2499	81%
	0.2999	80%
	0.35	79%
	0.3999	78%
	0.4199	78%
	0.4498	77%
	0.4798	76%
	0.4999	76%
	0.5198	75%
	0.5498	74%
	0.5796	73%
LT31-120-5V	ELoad I	Efficency
	0.0089	42%
	0.019	59%
	0.0291	68%
	0.0392	74%
	0.0494	77%
	0.0594	79%
	0.0696	81%
	0.0899	83%
	0.1	84%
	0.1099	84%
	0.1199	84%
	0.1501	85%
	0.2	85%
	0.25	85%
	0.3	83%
	0.35	82%
	0.3999	80%
	0.4498	79%
	0.4999	77%
	0.5499	74%
	0.5999	72%
	0.62	70%
	0.63	69%
	0.6501	69%
LT31-120-3.3V	ELoad I	Efficency
	0.0088	57%
	0.019	72%
	0.0291	78%
	0.0392	81%
	0.0494	82%
	0.0594	83%
	0.0696	84%
	0.0796	84%
	0.0899	84%
	0.1	84%
	0.1099	84%
	0.1199	83%
	0.1501	83%
	0.2	81%
	0.2499	78%
	0.2999	75%
	0.35	72%
	0.3999	69%
	0.4198	68%
	0.4498	65%
	0.4798	63%
	0.4999	61%
	0.5198	59%
	0.5499	56%
	0.5796	52%
LT31-111-5V	ELoad I	Efficency
	0.0088	41%
	0.0189	58%
	0.0291	67%
	0.0392	72%
	0.0494	75%
	0.0594	77%
	0.0696	78%
	0.0797	79%
	0.0899	80%
	0.1	80%
	0.1099	80%
	0.1199	81%
	0.15	80%
	0.1999	81%
	0.2499	81%
	0.2999	81%
	0.35	81%
	0.3999	80%
	0.4498	79%
	0.4999	78%
	0.5499	77%
	0.5999	76%
	0.6501	75%
	0.6998	74%
	0.7501	72%
LT31-111-3.3V	ELoad I	Efficency
	0.0088	54%
	0.019	68%
	0.0291	74%
	0.0392	76%
	0.0594	78%
	0.0696	78%
	0.0796	78%
	0.0899	78%
	0.1	79%
	0.15	79%
	0.1999	78%
	0.2499	76%
	0.2999	74%
	0.35	72%
	0.3999	70%
	0.4199	69%
	0.4498	67%
	0.4798	67%
	0.4999	66%
	0.5198	65%
	0.5499	64%
	0.5796	63%

LT51-120-5	ELoad I	Efficency
	0.0088	40%
	0.0189	58%
	0.0291	67%
	0.0392	72%
	0.0494	77%
	0.0594	78%
	0.0696	80%
	0.0796	81%
	0.0899	82%
	0.1	84%
	0.1099	83%
	0.1199	83%
	0.15	85%
	0.2	84%
	0.25	83%
	0.3	82%
	0.35	80%
	0.3999	78%
	0.4198	77%
	0.4498	76%
	0.4798	74%
	0.4999	73%
	0.5198	72%
	0.5499	70%
	0.5796	68%
LT51-120-3.3V	ELoad I	Efficency
	0.0088	54%
	0.0189	69%
	0.0291	76%
	0.0391	79%
	0.0494	82%
	0.0594	82%
	0.0696	82%
	0.0796	82%
	0.0899	82%
	0.1	83%
	0.1099	82%
	0.1199	82%
	0.1501	82%
	0.2	79%
	0.25	76%
	0.2999	73%
	0.35	69%
	0.3999	66%
	0.4199	64%
	0.4498	62%
	0.4798	59%
	0.4999	57%
	0.5198	55%
	0.5498	52%
	0.5796	48%
LT51-111-3.3V	ELoad I	Efficency
	0.0088	40%
	0.019	57%
	0.0291	65%
	0.0392	70%
	0.0494	75%
	0.0594	75%
	0.0696	76%
	0.0797	77%
	0.1	79%
	0.1099	78%
	0.1199	78%
	0.1501	79%
	0.2	77%
	0.25	75%
	0.3	73%
	0.35	71%
	0.3999	68%
	0.4199	68%
	0.4498	66%
	0.4798	65%
	0.4999	64%
	0.5198	63%
	0.5499	61%
	0.5796	60%
LT51-111-5V	ELoad I	Efficency
	0.0089	29%
	0.019	45%
	0.0291	55%
	0.0392	62%
	0.0494	68%
	0.0594	69%
	0.0696	72%
	0.0797	74%
	0.0899	75%
	0.1099	77%
	0.1199	78%
	0.1	78%
	0.15	80%
	0.1999	81%
	0.2499	81%
	0.2999	80%
	0.35	79%
	0.3999	78%
	0.4199	78%
	0.4498	77%
	0.4798	76%
	0.4999	76%
	0.5198	75%
	0.5498	74%
	0.5796	73%
LT31-120-5V	ELoad I	Efficency
	0.0089	42%
	0.019	59%
	0.0291	68%
	0.0392	74%
	0.0494	77%
	0.0594	79%
	0.0696	81%
	0.0899	83%
	0.1	84%
	0.1099	84%
	0.1199	84%
	0.1501	85%
	0.2	85%
	0.25	85%
	0.3	83%
	0.35	82%
	0.3999	80%
	0.4498	79%
	0.4999	77%
	0.5499	74%
	0.5999	72%
	0.62	70%
	0.63	69%
	0.6501	69%
LT31-120-3.3V	ELoad I	Efficency
	0.0088	57%
	0.019	72%
	0.0291	78%
	0.0392	81%
	0.0494	82%
	0.0594	83%
	0.0696	84%
	0.0796	84%
	0.0899	84%
	0.1	84%
	0.1099	84%
	0.1199	83%
	0.1501	83%
	0.2	81%
	0.2499	78%
	0.2999	75%
	0.35	72%
	0.3999	69%
	0.4198	68%
	0.4498	65%
	0.4798	63%
	0.4999	61%
	0.5198	59%
	0.5499	56%
	0.5796	52%
LT31-111-5V	ELoad I	Efficency
	0.0088	41%
	0.0189	58%
	0.0291	67%
	0.0392	72%
	0.0494	75%
	0.0594	77%
	0.0696	78%
	0.0797	79%
	0.0899	80%
	0.1	80%
	0.1099	80%
	0.1199	81%
	0.15	80%
	0.1999	81%
	0.2499	81%
	0.2999	81%
	0.35	81%
	0.3999	80%
	0.4498	79%
	0.4999	78%
	0.5499	77%
	0.5999	76%
	0.6501	75%
	0.6998	74%
	0.7501	72%
LT31-111-3.3V	ELoad I	Efficency
	0.0088	54%
	0.019	68%
	0.0291	74%
	0.0392	76%
	0.0594	78%
	0.0696	78%
	0.0796	78%
	0.0899	78%
	0.1	79%
	0.15	79%
	0.1999	78%
	0.2499	76%
	0.2999	74%
	0.35	72%
	0.3999	70%
	0.4199	69%
	0.4498	67%
	0.4798	67%
	0.4999	66%
	0.5198	65%
	0.5499	64%
	0.5796	63%

xutong

立凯变压器用于IS80X

IS802豫之鑫变压器测试 [复制链接]

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