Weltrend WT8076
The WT8076 is a PIR controller IC which integrates amplifier, window detector and light control functions. The light can be controlled by a Relay or Triac with adjustable delay time. The line remote control function can switch the light set between auto mode and always-on mode.GENERAL DESCRIPTION
A CDS interface is provided to sense day time and night time. A walk-test fuction helps user while setting up the light set.FEATURES
● Adjustable detection range● Adjustable delay time
● CDS interface to differentiate night time and day time
● Walk-test function
● Line remote control to switch auto mode and always on mode
● Relay or Triac output
● High noise immunity
● Low power consumption ( operating 500uA, standby 130uA, Typ. ) PIN ASSIGNMENT WT8076N16P1 UOU1 NII1 II1 VREF GND TB TCI 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 UOU2 NII2 II2 CDS VDD ZCD RELAY TRIAC WT8076S16P1 GND TB TCI TRIAC RELAY ZCD VDD 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VREF II1 NII1 UOU1 UOU2 NII2 II2 CDS WT8076N18P2 UOU1 NII1 II1 VREF GND TB TCI TRIAC 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 UOU2 NII2 II2 CDS VDD ND WK ZCD RELAY Ordering Information PART No. WT8076N16P1 WT8076S16P1 WT8076N18P2 PACKAGE 16 Pin P-DIP 16 Pin SOIC 18 Pin P-DIP 1 Weltrend Semiconductor Inc. 2F, No. 24, Industry E.