The TS902C2-TE24R is a voltage detector IC manufactured by Fujitsu Electronics America, Inc. It is designed to monitor a voltage level and provide an output signal when the voltage falls below a specific threshold.
Applications:
- Microcontroller reset circuits
- Battery voltage monitoring
- Power failure detection
- Overvoltage protection
- System monitoring
Features:
- Low supply current
- Precise detection voltage
- Open-drain output
- Small package size
- Built in hysteresis
Benefits:
- Ensures reliable system startup
- Prevents data corruption during power failures
- Protects circuits from overvoltage conditions
- Conserves power in battery-powered applications
Additional Details:
The TS902C2-TE24R is usually available in a small surface-mount package, like SOT-25. Key specifications include the detection voltage, release voltage, supply voltage range, and output type. The datasheet is an essential resource for understanding the precise operating characteristics, including the hysteresis value (the difference between the detection and release voltages), which prevents oscillations near the threshold. The open-drain output requires a pull-up resistor for proper operation. The device operates by constantly monitoring the input voltage and comparing it to its internal threshold. When the voltage drops below the threshold, the output goes low, signaling the under-voltage condition. It's critical to choose the correct detection voltage for the application to ensure proper system operation. Proper external component selection, especially the pull-up resistor, is necessary for reliable performance, as specified in the manufacturer's datasheet.