BL8518 Voltage Detector / Reset IC, Fixed Threshold, Delay Time, Low Voltage Operation, SOT23

The BL8518 is a compact voltage detector and reset IC with fixed detection thresholds and an integrated output delay time. Designed for low-voltage systems, it provides reliable reset control with stable operation, making it suitable for microcontroller and battery-powered applications.

Key Specifications

• Output Type:

  • CMOS (Active Low) or

  • N-channel Open-Drain (Active Low)

• Input Voltage (VIN): 1.2V – 6.0V

• Detection Voltage (VDET): 2.63V, 2.93V

• Detection Accuracy: ±2%

• Quiescent Current (IQ): 4.5µA

• Output Delay Time: 200ms

• Package: SOT23

Applications

• Power-on reset for MCUs

• Power monitoring

• Battery checker circuits

• Power failure detection

Features

• Integrated reset delay time

• Fixed detection voltage options

• Stable low-voltage operation

• Compatible replacement for MAX809