PI3VST01

PI3VST01 HPD signal Generator for VGA Features ÎÎHot Plug Detect Signal Generator for VGA connectors ÎÎGenerates hot plug output signal telling system when monitor is present or not ÎÎPower Supply, 3.3V and 5.0V ÎÎESD tolerance on pin 7 is up to +/-4kV contact per IEC61000-4-2 specification ÎÎ-3dB BW of 1.7GHz (typ) ÎÎ4.75 Ohm On Resistance with 0.5 Ohm flatness (typ) ÎÎLow input/output capacitance (Con = 4.5pF, typ) ÎÎPackaging (Pb-free and Green): àà 8-contact MSOP (U) Description The VGA connector does not have a hot-plug pin to tell the system that a monitor is connected. More recent video standards, such as HDMI and DisplayPort, save power by adding a hot-plug pin which allows graphics outputs to be powered down when a monitor is not connected. Pericom’s PI3VST01 HPD signal generator generates a monitor detection signal from a VGA source connector to tell the VGA source if an external monitor is connected or not. PI3VST01 allows notebook makers to shut off the VGA DAC when a monitor is not connected, thus saving 170 mW per DAC. PI3VST01 dissipates only 0.66 mW. The monitor detection scheme within the PI3VST01 will not affect normal operation of the video driver. Block Diagram BIN VSYNC Logic Control V V V Pin Configuration-U8 (Top View) BOUT Detector HPD_OUT GND VDD5 BIN VSYNC 87 6 5 1234 HPD_OUT VDD3 BOUT Rref RREF All trademarks are property of their respective owners. 15-0090 1 www.pericom.com 07/08/15 PI3VST01 HPD signal Generator for VGA Pinout...