The HT7044 is a voltage detector IC designed by Holtek to provide accurate and reliable voltage monitoring. It is used in various electronic applications to detect voltage levels and generate appropriate output signals when preset voltage thresholds are crossed. This IC is ideal for battery-operated devices, power management systems, and other applications requiring precise voltage monitoring.
Key Features:
High accuracy voltage detection
Low power consumption
Wide operating voltage range
Built-in hysteresis for noise immunity
Output delay circuit to prevent false triggering
Available in a compact SOT-89 package
Technical Specifications:
Operating Voltage Range: 1.5V to 5.5V
Detection Voltage: 4.4V (±1%)
Hysteresis Voltage: 50mV
Current Consumption: 1.8μA (typical)
Output Type: Open-drain output
Output Delay Time: 200ms (typical)
Package Type: TO-92
Operating Temperature Range: -40°C to +85°C
Applications:
Battery-operated devices
Power management systems
Microprocessor reset circuits
Voltage monitoring in portable electronics
Overvoltage protection circuits