Overview
The TL7702AID1/A is a supply voltage supervisor integrated circuit (IC) produced by STMicroelectronics. This device is specifically designed for use as a reset controller in microcomputer and microprocessor systems. It monitors the supply voltage for undervoltage conditions and generates a reset signal to ensure proper system operation.
The TL7702AID1/A is part of the TL7700A series, which is known for its precision voltage sensing and temperature-compensated voltage reference. This IC is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for surface mount applications.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | STMicroelectronics |
| Package / Case | SOIC-8 |
| Mounting Style | Surface Mount |
| Threshold Voltage | 2.53 V |
| Undervoltage Threshold | 2.48 V |
| Overvoltage Threshold | 2.58 V |
| Number of Inputs Monitored | 1 Input |
| Output Type | Active High, Active Low, Open Drain |
| Manual Reset | Manual Reset |
| Watchdog Timers | No Watchdog |
| Battery Backup Switching | No Backup |
| Reset Delay Time | Programmable |
| Supply Voltage Min | 3.6 V |
| Supply Voltage Max | 18 V |
| Minimum Operating Temperature | -25°C |
| Maximum Operating Temperature | 85°C |
| Operating Supply Current | 3.3 mA |
| High-level Output Current at RESET | -16 mA |
| Low-level Output Current at RESET | 16 mA |
Key Features
- Power-On Reset Generator: Automatically generates a reset signal during power-up when the supply voltage reaches a specified threshold.
- Automatic Reset Generation After Voltage Drop: Activates the reset outputs when the supply voltage drops below the nominal value.
- Wide Supply-Voltage Range: Operates over a supply voltage range of 3.6 V to 18 V.
- Precision Voltage Sensor: Features a precise voltage sensor with temperature-compensated voltage reference.
- Externally Adjustable Pulse Duration: Allows for the adjustment of the reset pulse duration using an external capacitor.
- Manual Reset Capability: Supports manual reset through an external input.
- True and Complement Reset Outputs: Provides both active high and active low reset outputs.
Applications
The TL7702AID1/A is designed for use in various microcomputer and microprocessor systems where reliable supply voltage monitoring is crucial. Typical applications include:
- Microcomputer and microprocessor systems requiring robust reset control.
- Embedded systems that need precise voltage monitoring.
- Industrial control systems where reliable operation under varying voltage conditions is essential.
- Automotive and aerospace systems requiring high reliability and precision in voltage supervision.
Q & A
- What is the primary function of the TL7702AID1/A IC?
The primary function of the TL7702AID1/A IC is to monitor the supply voltage and generate a reset signal when the voltage drops below a specified threshold or during power-up.
- What is the package type of the TL7702AID1/A?
The TL7702AID1/A is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package.
- What is the operating temperature range of the TL7702AID1/A?
The operating temperature range is from -25°C to 85°C.
- What is the supply voltage range for the TL7702AID1/A?
The supply voltage range is from 3.6 V to 18 V.
- Does the TL7702AID1/A have a watchdog timer?
No, the TL7702AID1/A does not have a watchdog timer.
- Can the reset pulse duration be adjusted?
- What types of reset outputs does the TL7702AID1/A provide?
The TL7702AID1/A provides both active high and active low reset outputs.
- Is manual reset possible with the TL7702AID1/A?
- What is the typical operating supply current of the TL7702AID1/A?
The typical operating supply current is 3.3 mA.
- What are the undervoltage and overvoltage thresholds for the TL7702AID1/A?
The undervoltage threshold is 2.48 V, and the overvoltage threshold is 2.58 V.
- Is the TL7702AID1/A RoHS compliant?
