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Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR) |
| ProductStatus | Obsolete |
| Type | Watchdog Circuit |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | Adjustable/Selectable |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| ResetTimeout | Adjustable/Selectable |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-8 |
Обзор
Description
The MAX6369KA+T is a low-power microprocessor supervisory circuit designed to ensure the proper operation of digital systems. It monitors the supply voltage and provides a reset signal, which is crucial for systems requiring reliable performance and stability during events such as power outages or when the supply voltage dips below a preset threshold. This particular device comes in an SOT-23 package, which is compact and suitable for space-constrained applications.
It features a precision voltage reference and a comparator that triggers a reset output when the monitored voltage drops below the specified threshold. The reset remains asserted for a fixed timeout period after the voltage returns to normal, ensuring the system resumes operation safely. Additionally, the MAX6369KA+T typically includes a manual reset input, allowing external control over the reset line.
This component is commonly used in a variety of applications, including computers, controllers, and embedded systems, where maintaining a reliable reset sequence is critical for functionality and protecting against erratic operation.
It features a precision voltage reference and a comparator that triggers a reset output when the monitored voltage drops below the specified threshold. The reset remains asserted for a fixed timeout period after the voltage returns to normal, ensuring the system resumes operation safely. Additionally, the MAX6369KA+T typically includes a manual reset input, allowing external control over the reset line.
This component is commonly used in a variety of applications, including computers, controllers, and embedded systems, where maintaining a reliable reset sequence is critical for functionality and protecting against erratic operation.
Equivalent
The MAX6369KA+T is a low-power, voltage supervisor with a manual reset input. Equivalent products include the Texas Instruments TPS3839, Analog Devices ADM6320, and ON Semiconductor's NCP302 series. These alternatives offer similar functionalities such as monitoring supply voltage levels and providing reset signals to microprocessors in case of voltage drops. It's important to check the specific parameters like voltage threshold and package type when selecting an equivalent.
Features
The MAX6369KA+T is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor and digital systems. Key features include:
1. Low Power Consumption: Consumes minimal current, making it ideal for battery-operated devices.
2. Precision Voltage Monitoring: Provides accurate monitoring of supply voltages with a fixed threshold.
3. Manual Reset Input: Allows external reset control for flexibility.
4. Push-Pull RESET Output: Delivers a logic signal to reset the microprocessor when the monitored voltage drops below the threshold.
5. Small Package Size: Available in a compact SOT-23 package, suited for space-constrained applications.
6. Temperature Range: Operates over a wide temperature range, ensuring reliability in various environmental conditions.
7. Debounced Input: Includes debouncing circuitry for the manual reset input, reducing false resets due to noise.
8. No External Components Required: Simplifies design by eliminating the need for external components.
These features make the MAX6369KA+T suitable for ensuring reliable microprocessor operation by preventing undefined states during power-up, power-down, or brownout conditions.
1. Low Power Consumption: Consumes minimal current, making it ideal for battery-operated devices.
2. Precision Voltage Monitoring: Provides accurate monitoring of supply voltages with a fixed threshold.
3. Manual Reset Input: Allows external reset control for flexibility.
4. Push-Pull RESET Output: Delivers a logic signal to reset the microprocessor when the monitored voltage drops below the threshold.
5. Small Package Size: Available in a compact SOT-23 package, suited for space-constrained applications.
6. Temperature Range: Operates over a wide temperature range, ensuring reliability in various environmental conditions.
7. Debounced Input: Includes debouncing circuitry for the manual reset input, reducing false resets due to noise.
8. No External Components Required: Simplifies design by eliminating the need for external components.
These features make the MAX6369KA+T suitable for ensuring reliable microprocessor operation by preventing undefined states during power-up, power-down, or brownout conditions.
Pinout
The MAX6369KA+T is a microprocessor supervisory circuit. It typically comes in a 3-pin SOT-23 package. The main functions of this device include monitoring the system voltage and providing a reset signal to the microprocessor during power-up, power-down, and brownout conditions. The MAX6369 series offers a precise reset threshold and ensures that the microprocessor starts operating with a stable voltage. The three pins generally consist of:
1. VCC: Power supply input where the device monitors the voltage.
2. GND: Ground reference for the device.
3. RESET: Output pin that provides the reset signal to the microprocessor. This pin goes low when the VCC falls below the threshold and remains low for a specified timeout period after VCC exceeds the threshold again.
This ensures reliable operation of the microprocessor by preventing it from operating under inadequate voltage conditions, which could lead to erratic or unpredictable behavior.
1. VCC: Power supply input where the device monitors the voltage.
2. GND: Ground reference for the device.
3. RESET: Output pin that provides the reset signal to the microprocessor. This pin goes low when the VCC falls below the threshold and remains low for a specified timeout period after VCC exceeds the threshold again.
This ensures reliable operation of the microprocessor by preventing it from operating under inadequate voltage conditions, which could lead to erratic or unpredictable behavior.
Manufacturer
The MAX6369KA+T is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including communications, automotive, industrial, aerospace, and healthcare, by providing high-performance analog technology solutions.
Application
The MAX6369KA+T is a low-power, precision voltage detector commonly used in applications requiring accurate monitoring of supply voltages. Key application areas include:
1. Microprocessor Supervisory Circuits: Ensures reliable operation by monitoring system power and initiating reset signals.
2. Battery-Powered Devices: Monitors battery voltage to prevent deep discharge or overcharge.
3. Consumer Electronics: Provides power-on reset and brownout protection in devices like smartphones, tablets, and wearables.
4. Industrial Systems: Ensures stable operation of PLCs and other control systems by monitoring power supply integrity.
5. Automotive Electronics: Used in ECU and other systems for voltage monitoring and reset functions to ensure system reliability.
1. Microprocessor Supervisory Circuits: Ensures reliable operation by monitoring system power and initiating reset signals.
2. Battery-Powered Devices: Monitors battery voltage to prevent deep discharge or overcharge.
3. Consumer Electronics: Provides power-on reset and brownout protection in devices like smartphones, tablets, and wearables.
4. Industrial Systems: Ensures stable operation of PLCs and other control systems by monitoring power supply integrity.
5. Automotive Electronics: Used in ECU and other systems for voltage monitoring and reset functions to ensure system reliability.
Package
The MAX6369KA+T is a microprocessor supervisory circuit in a SOT-23 package type. This package is small, making it suitable for compact electronic applications where space is a premium.