Datasheet BA76220 (Holtek) - 3

BA76220 PIR Controller Features
• Operating voltage: 2.2V~5.5V • Standby current: 12μA (Typ.) • CDS input • High noise immunity • 40-second warm-up or 10-second fast mode • 6 hour adjustable PIR turn-on timing • Output drive pin • Low voltage detector • Package type: 16-pin NSOP
Applications
• PIR light control • Motion detectors • Auto door bells
General Description
The BA76220 is a controller specifically designed for human infrared sensors (PIR Sensor), featuring high sensitivity, low power consumption and multi-functional output control, suitable for various smart sensing applications. It also supports OTP (One-Time Programmable) ROM, allowing customization of IC parameters to meet specific application requirements. The controller is available in low profile 16-pin NSOP package. Rev. 1.00 3 September 08, 2025 Document Outline Features Applications General Description Block Diagram Pin Assignment Pin Description Absolute Maximum Ratings Electrical Characteristics Functional Description TEST SC DT MODE CDS OUTPUT LVD Trigger Timing Retrigger LVD & CDS Detect Circuit The Criterion of LVD and CDS The Criterion of MODE Conditions for Disabling the PIR Amplifier Circuit Selection of OSC or DT Write ROM & Data Updated Communication Write/Read Value Protocol Registers PIR Amplifier Power-on Flow Application Circuits OTP-based Application Circuit RC-based Application Circuit Package Information 16-pin NSOP (150mil) Outline Dimensions