Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 10.8V |
| Output | Complementary |
| Reset | Active High/Active Low |
| ResetTimeout | 1µs Maximum Propagation Delay |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Overview
Description
The TL7712AIDR is an integrated circuit designed by Texas Instruments, primarily used as a voltage supervisor or reset circuit. It helps monitor the supply voltage in electronic systems and ensures that the system operates only when the supply voltage is within specified limits. This is crucial for protecting microprocessors and other sensitive components from operating under undervoltage conditions, which can lead to erratic behavior or damage.
The device operates by monitoring the voltage level and providing a reset signal when the voltage drops below or rises above a predetermined threshold. This ensures that the system remains in a safe state during power-up, power-down, or brownout conditions. The TL7712AIDR is typically used in applications such as computers, automotive systems, and consumer electronics, where reliable system resets are essential for proper operation. It features a precision voltage reference, a comparator, and a time delay generator, all integrated into a single package, making it a compact and efficient solution for voltage supervision tasks.
The device operates by monitoring the voltage level and providing a reset signal when the voltage drops below or rises above a predetermined threshold. This ensures that the system remains in a safe state during power-up, power-down, or brownout conditions. The TL7712AIDR is typically used in applications such as computers, automotive systems, and consumer electronics, where reliable system resets are essential for proper operation. It features a precision voltage reference, a comparator, and a time delay generator, all integrated into a single package, making it a compact and efficient solution for voltage supervision tasks.
Equivalent
The TL7712AIDR is a voltage supervisory circuit. Equivalent products include the LM431 series, TL431 series, and other programmable voltage reference ICs like the NCP431 or the LMV431. These alternatives offer similar functionalities for voltage monitoring and regulation in electronic circuits. It's important to check the specific requirements like voltage thresholds and package types to ensure compatibility with your application.
Features
The TL7712AIDR is a voltage supervisor IC designed to monitor the supply voltage in microprocessor systems and signal when the voltage falls below a certain threshold. Key features include:
1. Supply-Voltage Supervision: It monitors a single voltage supply, typically 12V, ensuring it remains above the specified threshold to maintain system stability.
2. Precision Voltage Sensing: It provides accurate sensing with a 1% threshold accuracy, critical for reliable system performance.
3. Active Low Reset Output: The device outputs an active low reset signal when the monitored voltage drops below the threshold, which helps in resetting the microprocessor to prevent erratic behavior.
4. Programmable Delay: It features a programmable delay time, adjustable through an external capacitor, to accommodate different system requirements.
5. Wide Supply Voltage Range: The IC operates over a wide supply voltage range, enhancing its flexibility in various applications.
6. Low Power Consumption: Designed for low power consumption, it is suitable for battery-powered applications.
7. Temperature Range: It offers reliable operation over a wide temperature range, making it suitable for industrial environments.
These features make the TL7712AIDR ideal for systems requiring precise voltage monitoring and reliable reset functionality.
1. Supply-Voltage Supervision: It monitors a single voltage supply, typically 12V, ensuring it remains above the specified threshold to maintain system stability.
2. Precision Voltage Sensing: It provides accurate sensing with a 1% threshold accuracy, critical for reliable system performance.
3. Active Low Reset Output: The device outputs an active low reset signal when the monitored voltage drops below the threshold, which helps in resetting the microprocessor to prevent erratic behavior.
4. Programmable Delay: It features a programmable delay time, adjustable through an external capacitor, to accommodate different system requirements.
5. Wide Supply Voltage Range: The IC operates over a wide supply voltage range, enhancing its flexibility in various applications.
6. Low Power Consumption: Designed for low power consumption, it is suitable for battery-powered applications.
7. Temperature Range: It offers reliable operation over a wide temperature range, making it suitable for industrial environments.
These features make the TL7712AIDR ideal for systems requiring precise voltage monitoring and reliable reset functionality.
Pinout
The TL7712AIDR is a Texas Instruments integrated circuit designed as a supply-voltage supervisor. It features an 8-pin Small Outline Integrated Circuit (SOIC) package. The primary function of the TL7712AIDR is to monitor the supply voltage and ensure that it remains above a certain threshold. It provides a reset signal to ensure that the system starts operating only when the supply voltage reaches the desired level and remains stable.
Here is a brief overview of the pin functions:
1. VCC: Supply voltage input.
2. GND: Ground.
3. SENSE: Monitors the supply voltage.
4. RESET: Output reset signal (active low).
5. CT: Timing capacitor input for setting the delay time.
6. NC: No connection.
7. NC: No connection.
8. NC: No connection.
This IC is useful in applications where it is crucial to control the initialization of digital circuits, ensuring that they start functioning only under appropriate supply conditions.
Here is a brief overview of the pin functions:
1. VCC: Supply voltage input.
2. GND: Ground.
3. SENSE: Monitors the supply voltage.
4. RESET: Output reset signal (active low).
5. CT: Timing capacitor input for setting the delay time.
6. NC: No connection.
7. NC: No connection.
8. NC: No connection.
This IC is useful in applications where it is crucial to control the initialization of digital circuits, ensuring that they start functioning only under appropriate supply conditions.
Manufacturer
The TL7712AIDR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor design and manufacturing company that develops analog and embedded processing chips. The company is known for its wide range of electronic components used in various applications, including consumer electronics, automotive, industrial equipment, and communications infrastructure. Texas Instruments is headquartered in Dallas, Texas, and is one of the largest and most well-known companies in the semiconductor industry.
Application
The TL7712AIDR is a voltage supervisor used in various applications to monitor supply voltages in electronic systems. Its primary applications include power management in microcontrollers, DSPs, and other digital circuits to ensure proper power-up and power-down sequences. It is commonly used in consumer electronics, automotive systems, industrial equipment, and telecommunications to prevent improper system operation due to voltage anomalies. Additionally, it is employed in battery-powered devices to monitor battery voltage and protect against deep discharge. Its ability to provide a precise threshold detection makes it suitable for any system requiring reliable voltage monitoring and reset functions.
Package
The TL7712AIDR is a Texas Instruments voltage supervisor IC that typically comes in a SOT-23-5 package. This small-outline transistor package is compact and designed for surface mounting, suitable for applications requiring efficient space utilization on PCBs.
