Short circuit protection for PCA9615?

取消
显示结果 
显示  仅  | 搜索替代 
您的意思是: 

Short circuit protection for PCA9615?

805 次查看
JPM6
Contributor I

I am considering using the #PCA9615 in an environment where the DSDAM, DSDAP, DSCLP, and DSCLM pins could be shorted, either to each other, to VDDB, or to GND, in a controlled, recoverable, fault condition. Given the fact that this chip is designed to drive low impedance loads, I am wondering if these pins include short circuit protection?  Would use of the EN input for Hot Swap when anticipating the fault help the chip to survive this situation? Thanks for your help

Best regards, Patrick

标记 (1)
0 项奖励
回复
1 回复

776 次查看
guoweisun
NXP TechSupport
NXP TechSupport

No,it doesn't have the short circuit protection,I don't recommend you do that! 

0 项奖励
回复
%3CLINGO-SUB%20id%3D%22lingo-sub-2147889%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3EPCA9615%20%E7%9A%84%E7%9F%AD%E8%B7%AF%E4%BF%9D%E6%8A%A4%EF%BC%9F%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2147889%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E6%88%91%E6%AD%A3%E5%9C%A8%E8%80%83%E8%99%91%E5%B0%86%20%23PCA9615%20%E7%94%A8%E4%BA%8E%20DSDAM%E3%80%81DSDAP%E3%80%81DSCLP%20%E5%92%8C%20DSCLM%20%E5%BC%95%E8%84%9A%E5%8F%AF%E8%83%BD%E7%9B%B8%E4%BA%92%E7%9F%AD%E8%B7%AF%E3%80%81%E4%B8%8E%20VDDB%20%E7%9F%AD%E8%B7%AF%E6%88%96%E4%B8%8E%E6%8E%A5%E5%9C%B0%E7%9F%AD%E8%B7%AF%E7%9A%84%E7%8E%AF%E5%A2%83%E4%B8%AD%EF%BC%8C%E4%BB%A5%E6%8E%A7%E5%88%B6%E5%92%8C%E6%81%A2%E5%A4%8D%E6%95%85%E9%9A%9C%E7%8A%B6%E6%80%81%E3%80%82%E9%89%B4%E4%BA%8E%E8%AF%A5%E8%8A%AF%E7%89%87%E6%97%A8%E5%9C%A8%E9%A9%B1%E5%8A%A8%E4%BD%8E%E9%98%BB%E6%8A%97%E8%B4%9F%E8%BD%BD%EF%BC%8C%E6%88%91%E6%83%B3%E7%9F%A5%E9%81%93%E8%BF%99%E4%BA%9B%E5%BC%95%E8%84%9A%E6%98%AF%E5%90%A6%E5%8C%85%E5%90%AB%E7%9F%AD%E8%B7%AF%E4%BF%9D%E6%8A%A4%EF%BC%9F%E5%9C%A8%E9%A2%84%E6%B5%8B%E6%95%85%E9%9A%9C%E5%8F%91%E7%94%9F%E6%97%B6%EF%BC%8C%E4%BD%BF%E7%94%A8%20EN%20%E8%BE%93%E5%85%A5%E8%BF%9B%E8%A1%8C%E7%83%AD%E6%8F%92%E6%8B%94%E6%98%AF%E5%90%A6%E6%9C%89%E5%8A%A9%E4%BA%8E%E8%8A%AF%E7%89%87%E5%9C%A8%E8%BF%99%E7%A7%8D%E6%83%85%E5%86%B5%E4%B8%8B%E5%AD%98%E6%B4%BB%EF%BC%9F%E6%84%9F%E8%B0%A2%E6%82%A8%E7%9A%84%E5%B8%AE%E5%8A%A9%3C%2FP%3E%3CP%3E%E6%9C%80%E8%AF%9A%E6%8C%9A%E7%9A%84%E9%97%AE%E5%80%99%EF%BC%8C%E5%B8%95%E7%89%B9%E9%87%8C%E5%85%8B%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2148467%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20Short%20circuit%20protection%20for%20PCA9615%3F%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2148467%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E4%B8%8D%EF%BC%8C%E5%AE%83%E6%B2%A1%E6%9C%89%E7%9F%AD%E8%B7%AF%E4%BF%9D%E6%8A%A4%EF%BC%8C%E6%88%91%E4%B8%8D%E5%BB%BA%E8%AE%AE%E4%BD%A0%E8%BF%99%E6%A0%B7%E5%81%9A%EF%BC%81%3C%2FP%3E%3C%2FLINGO-BODY%3E