PIR Sensor LED Lighting HT7612 + HT7L4091 AutoLighting Characteristics HT7L4091 drives high power white LEDs HT7L4091 power supply pin (VDD) can be used for external circuits HT7612 is a PIR controller specifically designed to interface to PIR sensors Detect range about 5 ~ 10m Includes the following adjustable functions: LED delay time, PIR sensitivity, and operating mode selection LED mode selection : 1. LED Off 2. PIR Control 3. LED On. LED MODE -- Slide Switch 1. LED Off 2. PIR Control 3. LED On HT7L4091 LED Delay Time PIR Sensitivity Power switch HT7612 Operating Mode Selection Application Areas Various Passive Infra Red Products (Auto Lighting, Security, Automatic Door Inform System, Auto Display, etc.) Application Circuit LED Lighting Circuit VH D1 LED D2 LED D3 LED Ligthing LED : High power white LED X 3 P1 AC 100~240V D4 SW 1P2T RV1 370V - RL1 18K + RL2 18K BYV26B U1 1 FUSE CL1 10u CL2 0.1u CS RT 6 RT1 270K GDR VDD 8 CIN1 10u/400V R1 56 VIN 7 VDD F1 L1 100uH BD1 BRIDGE(400V) S1 2 VRF CS1 100pF CVREF1 2.2u 3 Power Circuit Q1 4 GND PDM RCS1 1.4 5 HT7L4091 U2 SN1 PIR SENSOR 1 OP1P RELAY/LED 11 VDD D G S R2 56K C1 0.02uF C2 22uF TEST/SC R7 1M C4 22uF R8 20K BUZ/LVD 3 ISO1 OP2N VDD 5 R11 10 OP2O 6 VREF R12 1M ZC MODE TRIAC R13 13 C6 0.02uF 1uF C7 4.7uF R6 1M 14 OP1O /BUZ/CDS R9 1M C5 Band Pass Filter & Amplifier R4 430K OP1N C3 0.02uF 4 R10 10K R3 2M R5 20K 2 PIR Sensor 16 10K 15 S2 12 10 SW 1P3T_B VDD 7 DT VDD C8 3nF 9 C9 0.1uF 8 C10 10uF R14 0 VSS HT7612 LED Delay Time Circuit Operating Mode Selection Circuit Daytime/Night Auto-detection Circuit