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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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如果检测到异常情况,诊断功能会驱动DIAG端为高电平或低电平。
当过流保护、热关断或开路负载检测(即高阻抗输出)跳闸时,会发出异常情况信号。通过使用微控制器或逻辑电路处理输入并诊断输出信号,可识别IPD中的异常情况。
工作模式 | 输入信号VIN | 输出电压 VOUT |
MOSFET的输出状态 | 诊断输出VDIAG | 备注 |
---|---|---|---|---|---|
正常工作 | L | L | 关 | L | - |
H | H | 开 | H | ||
短接负载/接地短路(过流情况) | L | L | 关 | L | 通过使用微控制器或逻辑电路处理输入和诊断输出信号,可确定IPD是否存在负载短路(过流情况)或热关断情况。 |
H | L | 开(电流限流) | L | ||
热关断状态 | L | L | 关 | L | |
H | L | 关 | L | ||
开路负载/断线 | L | H | 关 | H | - |
H | H | 开 | H |