ZHCSG62A March 2017 – May 2017 TPD2S703-Q1
PRODUCTION DATA.
The TPD2S703-Q1 offers 2-channels of short-to-battery protection (up to 18-V DC), short-to-VBUS protection, and IEC ESD protection for automotive high speed interfaces such as USB 2.0. For the overvoltage protection (OVP), this device integrates N-channel FET’s which quickly isolate (200 ns) the protected circuitry in the event of an overvoltage condition on the VD+ and VD– lines. With respect to the ESD protection, the TPD2S703-Q1 has an internal clamping diode on each data line (VD+ and VD–) which provides 8-kV contact ESD protection and 15-kV air-gap ESD protection. More details on the internal components of the TPD2S703-Q1 can be found in the Overview section.
The TPD2S703-Q1 also has the ability to vary the OVP threshold based on the configuration of the Mode pin and the voltage present on the VREF pin (0.6 V-4.5 V). This functionality is discussed in greater depth in the OVP Threshold section. Once the VREF threshold is crossed, a fault is detectable to the user through the FLT pin, where 5 V on the pin indicates no fault is detected, and 0 V-0.4 V represents a fault condition. Figure 23 shows the TPD2S703-Q1 in a typical application, interfacing between the protected internal circuitry and the connector side, where ESD vulnerability is at its highest.