仕様
| 属性 | 値 |
| Package | Strip |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 2.313V |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| ResetTimeout | 140ms Minimum |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-253-4, TO-253AA |
概要
Description
The MAX6444US23L+T is a low-power, ultra-low-current voltage monitor from Maxim Integrated, now part of Analog Devices. It is designed to monitor system voltages accurately and provide a reset signal to microprocessors and other digital systems when the monitored voltage falls below a preset threshold. The device features a fixed threshold voltage and an open-drain output for easy interfacing with other components.
Key features include:
- Low supply current, typically in the nanoamp range, which is ideal for battery-powered applications.
- Precision voltage thresholds with minimal variation over temperature changes.
- A reset timeout period to ensure systems safely recover from voltage glitches.
- Small form factor, typically in a SOT-23 or similar package, making it suitable for compact designs.
Applications of the MAX6444US23L+T include portable devices, embedded systems, and any application requiring reliable voltage supervision to prevent data corruption or operational failures due to voltage fluctuations.
Key features include:
- Low supply current, typically in the nanoamp range, which is ideal for battery-powered applications.
- Precision voltage thresholds with minimal variation over temperature changes.
- A reset timeout period to ensure systems safely recover from voltage glitches.
- Small form factor, typically in a SOT-23 or similar package, making it suitable for compact designs.
Applications of the MAX6444US23L+T include portable devices, embedded systems, and any application requiring reliable voltage supervision to prevent data corruption or operational failures due to voltage fluctuations.
Equivalent
The MAX6444US23L+T is a microprocessor supervisory circuit. Equivalent products include the TPS3839 from Texas Instruments, the MCP130 from Microchip Technology, and the STM809 from STMicroelectronics. These alternatives offer similar functionalities such as reset threshold voltages and watchdog timers, and can serve as suitable replacements in various applications. Always verify the pin configuration and electrical specifications to ensure compatibility.
Features
The MAX6444US23L+T is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor systems. Key features include:
1. Reset Output: It provides a reset signal to the microprocessor during power-up, power-down, and brownout conditions. This ensures proper microprocessor initialization.
2. Threshold Accuracy: The device offers high threshold accuracy, which helps in reliable detection of supply voltage levels.
3. Low Supply Current: It operates with a low supply current, making it suitable for battery-powered applications.
4. Manual Reset Input: The manual reset input allows an external push-button or logic signal to force a reset.
5. Low-Voltage Operation: The device is designed to operate at low voltages, enhancing versatility in various applications.
6. Small Package Size: It is available in a compact package, saving board space and reducing cost in space-constrained designs.
7. Temperature Range: The device is specified over a wide temperature range, ensuring reliability in different environmental conditions.
These features make the MAX6444US23L+T a robust solution for maintaining system integrity in microcontroller and microprocessor applications.
1. Reset Output: It provides a reset signal to the microprocessor during power-up, power-down, and brownout conditions. This ensures proper microprocessor initialization.
2. Threshold Accuracy: The device offers high threshold accuracy, which helps in reliable detection of supply voltage levels.
3. Low Supply Current: It operates with a low supply current, making it suitable for battery-powered applications.
4. Manual Reset Input: The manual reset input allows an external push-button or logic signal to force a reset.
5. Low-Voltage Operation: The device is designed to operate at low voltages, enhancing versatility in various applications.
6. Small Package Size: It is available in a compact package, saving board space and reducing cost in space-constrained designs.
7. Temperature Range: The device is specified over a wide temperature range, ensuring reliability in different environmental conditions.
These features make the MAX6444US23L+T a robust solution for maintaining system integrity in microcontroller and microprocessor applications.
Manufacturer
The MAX6444US23L+T is manufactured by Maxim Integrated. Maxim Integrated is a company that designs, manufactures, and sells analog and mixed-signal integrated circuits. It provides a wide range of products that are used in various applications such as automotive, industrial, communications, consumer, and computing markets. The company is known for its focus on developing innovative solutions that simplify design complexities and enhance performance and efficiency in electronic systems. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., another prominent player in the semiconductor industry, which expanded its portfolio and market presence.
Application
The MAX6444US23L+T is a low-power, voltage-monitoring IC designed for use in applications requiring precise voltage supervision. Its major application areas include:
1. Computers and Servers: Monitoring supply voltages to ensure system stability and prevent data corruption.
2. Consumer Electronics: Safeguarding devices like TVs and gaming consoles against improper voltage levels.
3. Telecommunications: Ensuring reliable operation of network equipment by supervising power supply levels.
4. Industrial Equipment: Providing voltage threshold detection for robust control systems.
5. Portable Devices: Extending battery life by accurately detecting low battery conditions.
6. Automotive Electronics: Monitoring critical voltages in automotive control systems for enhanced safety and performance.
These applications leverage the IC's ability to provide reliable reset signals and voltage level detection.
1. Computers and Servers: Monitoring supply voltages to ensure system stability and prevent data corruption.
2. Consumer Electronics: Safeguarding devices like TVs and gaming consoles against improper voltage levels.
3. Telecommunications: Ensuring reliable operation of network equipment by supervising power supply levels.
4. Industrial Equipment: Providing voltage threshold detection for robust control systems.
5. Portable Devices: Extending battery life by accurately detecting low battery conditions.
6. Automotive Electronics: Monitoring critical voltages in automotive control systems for enhanced safety and performance.
These applications leverage the IC's ability to provide reliable reset signals and voltage level detection.
Package
The MAX6444US23L+T is a SOT-23 package type. SOT-23 is a small-outline transistor package that is commonly used for surface mounting on circuit boards.
