ZHCSG62A March 2017 – May 2017 TPD2S703-Q1
PRODUCTION DATA.
Table 1 gives the complete device functionality in response to the EN pin, to overvoltage conditions at the connector (VD± pins), to thermal shutdown, and to the conditions of the VPWR, VREF, and MODE pins.
Functional Mode | EN | MODE | VREF | VPWR | VD± | TJ | FLT | Comments |
---|---|---|---|---|---|---|---|---|
NORMAL OPERATION | ||||||||
Mode 0 unpowered 1 | X | Rbot ≤ 2.6 kΩ | X | X | X | X | H | Device unpowered, data switches open |
Mode 0 unpowered 2 | X | Rbot ≤ 2.6 kΩ | X | X | X | X | H | Device unpowered, data switches open |
Mode 1 unpowered | X | Rtop | | Rbot> 14 kΩ | X | X | X | X | H | Device unpowered, data switches open |
Mode 0 disabled | H | Rbot ≤ 2.6 kΩ | >UVLO | >UVLO | X | <TSD | H | Device disabled, data switches open |
Mode 1 disabled | H | Rtop | | Rbot> 14 kΩ | Set by Rtop and Rbot | >UVLO | X | <TSD | H | Device disabled, data switches open, VREF is disabled |
Mode 0 enabled | L | Rbot ≤ 2.6 kΩ | >UVLO | >UVLO | <OVP | <TSD | H | Device enabled, data switches closed, VREF is the value set by the power supply on VREF |
Mode 1 enabled | L | Rtop | | Rbot> 14 kΩ | Set by Rtop and Rbot | >UVLO | <OVP | <TSD | H | Device enabled, data switches closed, VREF is the value set by the Rtop and Rbot resistor divider |
FAULT CONDITIONS | ||||||||
Mode 0 thermal shutdown | X | Rbot ≤ 2.6 kΩ | X | >UVLO | X | >TSD | L | Thermal shutdown, data switches opened, FLT pin asserted |
Mode 1 thermal shutdown | X | Rtop | | Rbot> 14 kΩ | Set by Rtop and Rbot | >UVLO | X | >TSD | L | Thermal shutdown, data switches opened, VREF is disabled, FLT pin asserted |
Mode 0 OVP fault | L | Rbot ≤ 2.6 kΩ | >UVLO | >UVLO | >OVP | <TSD | L | Data line overvoltage protection mode. OVP is set relative to the voltage on VREF. Data switches opened, FLT pin asserted |
Mode 1 OVP fault | L | Rtop | | Rbot> 14 kΩ | Set by Rtop and Rbot | >UVLO | >OVP | <TSD | L | Data line overvoltage protection mode. OVP is set relative to the voltage on VREF. Data switches opened, fault pin asserted |