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TPD1S414 Datasheet(PDF) 9 Page - Texas Instruments |
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TPD1S414 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 19 page VBUS DP DM ID GND V BUS_CON V BUS_SYS PMIC GND EN ACK to V CC to µP to µP TPD1S414 ESD TPD3E105 GND C IN C LOAD R PULLUP TPD1S414 www.ti.com SLLSEH9A –OCTOBER 2013–REVISED OCTOBER 2013 APPLICATION INFORMATION Figure 10. Typical Application Configuration for TPD1S414 The IEC 61000-4-5 standard specifies the lightning and industrial surge model. Power lines like the VBUS line on the USB port is subject to switching and lightning transients. Power supply switching transients can enter the system due to capacitor bank switching on the rail, minor load switching on the system and various system faults like arcing to the grounding system of the installation. Direct lightning to the outer installations cause an over voltage condition on the VBUS line. In the event of an over voltage condition, the OVP block of the Processor or the protection circuitry turns off isolating the system from these transients. Abruptly turning off the Load, causes a further ripple due to the inductive nature of the charging cable. End systems require protection against these transients. These transients have greater energy than the ESD events. Systems cannot be protected from these transients using simple ESD diodes. The TPD1S414 has a precision trigger and precision clamping circuit that ensures a DC tolerance of 30 V while suppressing surge voltage up to 100V under 35 V. Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TPD1S414 |
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