【选型】国产DCDC SCT2430可P2P替换TI TPS54340,并满足车规AEC-Q100
某T-box项目上一级电源DCDC原本用的是TI的TPS54340,但是这颗目前缺货非常严重,为了不影响项目的进度,在寻找可以P2P的车规级DCDC替换。国产芯洲科技的SCT2430,可以P2P替换TI TPS54340,并且满足车规AEC-Q100。
下表是SCT2430和TPS54340的主要参数性能对比:
从上面表格中的参数我们可以得知:
1、SCT2430与TPS54340相比,电压参数基本一致,工作温度范围完全一致,可以进行替代;
2、SCT2430的工作频率范围比TPS54340的范围稍微低一点,但是SCT2430的静态电流要远远比TPS54340小,说明了SCT2430的功耗可以做的很小,这大大地延长了芯片的使用寿命;
3、通过对比两个芯片的最大效率点,我们发现也是芯洲科技的SCT2430要高一点,替换TPS54340在性能上是可行的;
4,从管脚和封装来看,管脚排布和封装完全一致,能P2P兼容;
5,SCT2430最大的卖点是满足车规AEC-Q100,所以非常适合用在和汽车相关的产品上。
典型应用电路图对比:
从上图可以看到,SCT2430的外围电路比较简单,基本和TPS54340一致,输出电压通过调整R1和R2电阻来确定。
综上,SCT2430能从管脚封装以及性能上完全P2P替换TPS54340,一方面TI的产品缺货严重,另一方面很多国内企业都要求国产化,所以是芯洲产品有着非常明显的优势。
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应用方案 发布时间 : 2022-12-13
电子商城
品牌:芯洲科技
品类:High Efficiency Step-down DCDC Converter
价格:¥4.3392
现货: 4,000
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可定制变压器电压最高4.5KV,高频30MHz;支持平面变压器、平板变压器、OBC变压器、DCDC变压器、PLC信号变压器、3D电源、电流变压器、反激变压器、直流直流变压器、车载充电器变压器、门极驱动变压器等产品定制。
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