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TL7702A from TI,Texas Instruments

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TL7702A

Manufacturer: TI

SUPPLY VOLTAGE SUPERVISORS

Partnumber Manufacturer Quantity Availability
TL7702A TI 1779 In Stock

Description and Introduction

SUPPLY VOLTAGE SUPERVISORS The TL7702A is a voltage supervisor and reset IC manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage Range:** 2.5V to 18V  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Reset Timeout Period:** Adjustable via external capacitor  
- **Quiescent Current:** 150µA (typical)  
- **Output Type:** Active-low open-drain reset output  

### **Descriptions:**  
The TL7702A is designed to monitor system voltage levels and generate a reset signal when the supply voltage falls below a specified threshold. It ensures proper system initialization by holding the reset signal for a fixed duration after the voltage returns to an acceptable level.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Adjustable Reset Timeout:** Configurable with an external capacitor.  
- **Wide Operating Voltage Range:** Suitable for various applications.  
- **Low Power Consumption:** Ideal for battery-powered systems.  
- **Open-Drain Reset Output:** Compatible with multiple logic levels.  
- **Industrial Temperature Range:** Supports harsh environments.  

This device is commonly used in microcontrollers, DSPs, and other digital systems requiring reliable power-on reset functionality.

Application Scenarios & Design Considerations

SUPPLY VOLTAGE SUPERVISORS

Alternative Part Number

  • MC34064 --: Single-supply voltage supervisor with similar reset output function, widely available and cost-effective drop-in style alternative.
  • MAX809 --: Popular 3-pin microprocessor reset supervisor offering comparable reset threshold and active-low reset behavior.
  • MCP130 --: Voltage supervisor with active-low reset output, suitable replacement for supply monitoring and reset generation.

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