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BTS7040-1EPA 参数 Datasheet PDF下载

BTS7040-1EPA图片预览
型号: BTS7040-1EPA
PDF下载: 下载PDF文件 查看货源
内容描述: [PROFET™+2 12V | Automotive Smart High-Side Switch]
分类和应用:
文件页数/大小: 61 页 / 1636 K
品牌: INFINEON [ Infineon ]
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BTS7040-1EPA  
PROFET™ +2 12V  
Diagnosis  
IN  
t
t
Short circu it  
to ground  
nRETRY(CYC)  
"retry" cycle  
nRETRY(CR)  
nRETRY(NT)  
nRETRY(NT)  
IL  
t
tRETRY  
tRETRY  
tDELA Y(CR)  
In ter nal  
counter  
0
1
nRETRY(CR)  
nRETRY(CR) + nRETRY(NT)  
nRETRY(CR) + (nRETRY(CYC) * nRETRY(NT)  
)
0
t
DEN  
t
IIS(FAUL T)  
IIS(FAUL T)  
IIS(FAUL T)  
IL / kILIS  
IIS  
t
Diagnosis_PROFET_IISFAULT.emf  
Figure 36 SENSE behavior in Fault condition  
IIS  
IIS(SA T),max  
IIS(SAT)  
IIS(FAUL T),max  
IIS(FAUL T)  
IIS(SA T),min  
=
IIS(FAUL T),min  
IL / kILIS  
IL(OVL)  
IL  
Diagnosis_PROFET_IISFAULT_IISSAT.emf  
Figure 37 SENSE behavior - overview  
9.3  
Diagnosis in OFF state  
When a power output stage is in OFF state, the BTS7040-1EPA can measure the output voltage and compare  
it with a threshold voltage. In this way, using some additional external components (a pull-down resistor and  
a switchable pull-up current source), it is possible to detect if the load is missing or if there is a short circuit to  
battery. If a Fault condition was detected by the device (the internal counter has a value different from the  
reset value, as described in Chapter 9.2.2) a current IIS(FAULT) is provided by IS pin each time the channel  
diagnosis is checked also in OFF state.  
Data Sheet  
46  
Rev. 1.10  
2020-12-14  
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