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ITS4075Q-EP-D bảng dữ liệu(PDF) 26 Page - Infineon Technologies AG |
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ITS4075Q-EP-D bảng dữ liệu(HTML) 26 Page - Infineon Technologies AG |
26 / 42 page Data Sheet 26 Rev. 1.01 2018-06-14 ITS4075Q-EP-D 75 mΩ Quad Channel Smart High-Side Power Switch Protection Functions 6.3 Reverse Polarity Protection In case of reverse polarity, the intrinsic body diodes of the affected power DMOS channels will dissipate power. The current flowing through the intrinsic body diode is limited externally by the load itself. But in addition the current into the ground path and the logic pins must be limited by an external resistor to the maximum allowed current described in Chapter 4.1. Figure 17 shows a typical application. ZGND resistor is used to limit the current through the Zener protection of the device. ZGND is recommended to be either a resistor (~ 27 Ω) in series to a diode or alternatively a power resistor (~ 150 Ω). During reverse polarity no protection functions are available. Figure 17 Reverse Polarity Protection with External Components ITS4075Q-EP-D OUTx INx VS Logic GND ZDS(AZ) ZGND ZD(AZ) ST RIN RST VDS(REV) + - Microcontroller Protection diodes -VS(REV) |
Số phần tương tự - ITS4075Q-EP-D |
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Mô tả tương tự - ITS4075Q-EP-D |
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