사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 2.63V |
| Output | Push-Pull, Totem Pole |
| Reset | Active High/Active Low |
| ResetTimeout | 140ms Minimum |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
개요
Description
The MAX824REUK+T is a microprocessor supervisory circuit designed to monitor system voltages and ensure reliable operation. It is part of the MAX824 series by Maxim Integrated. This specific model provides a reset output to warn a microprocessor of under-voltage conditions, helping to prevent incorrect operations. The device is compact, available in a 5-pin SOT-23 package, making it suitable for space-constrained applications.
Key features include a precision voltage monitor typically set at 4.63V, ensuring that the system remains within safe operating conditions. It provides a reset signal when the monitored voltage falls below this threshold and maintains the reset for a minimum period even after the voltage returns to normal. This helps in proper microprocessor initialization during power-up.
The MAX824REUK+T operates over a temperature range of -40°C to +85°C, making it suitable for commercial and industrial applications. Its low supply current and high accuracy are ideal for portable and battery-powered devices, enhancing reliability and extending battery life.
Key features include a precision voltage monitor typically set at 4.63V, ensuring that the system remains within safe operating conditions. It provides a reset signal when the monitored voltage falls below this threshold and maintains the reset for a minimum period even after the voltage returns to normal. This helps in proper microprocessor initialization during power-up.
The MAX824REUK+T operates over a temperature range of -40°C to +85°C, making it suitable for commercial and industrial applications. Its low supply current and high accuracy are ideal for portable and battery-powered devices, enhancing reliability and extending battery life.
Equivalent
The MAX824REUK+T is a microprocessor supervisory circuit. Equivalent products include:
1. MCP101 Series by Microchip
2. TPS383x Series by Texas Instruments
3. S-808xx Series by Seiko Instruments
4. STM809/810 Series by STMicroelectronics
5. NCP300 Series by ON Semiconductor
These products generally serve similar functions, such as voltage monitoring and microprocessor reset, but always verify specifications for compatibility.
1. MCP101 Series by Microchip
2. TPS383x Series by Texas Instruments
3. S-808xx Series by Seiko Instruments
4. STM809/810 Series by STMicroelectronics
5. NCP300 Series by ON Semiconductor
These products generally serve similar functions, such as voltage monitoring and microprocessor reset, but always verify specifications for compatibility.
Features
The MAX824REUK+T is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor systems. Key features include:
1. Voltage Monitoring: It features a fixed reset threshold voltage to detect under-voltage conditions, ensuring reliable operation of microprocessors by preventing false resets.
2. Reset Output: The device provides a reset signal if the monitored voltage falls below its threshold. This feature guarantees that the system resets properly during power-up, power-down, or brownout conditions.
3. Manual Reset Capability: It has an input for a manual reset function, allowing for external control of the reset operation.
4. Low Supply Current: The MAX824REUK+T is designed to consume minimal power, making it suitable for battery-operated devices.
5. Small Package: Available in a compact SOT-23 package, it is suitable for space-constrained applications.
6. Wide Temperature Range: The device operates over an extended temperature range, which makes it versatile for various environmental conditions.
These features make the MAX824REUK+T ideal for enhancing system reliability by ensuring proper microprocessor operation and safeguarding against power-related issues.
1. Voltage Monitoring: It features a fixed reset threshold voltage to detect under-voltage conditions, ensuring reliable operation of microprocessors by preventing false resets.
2. Reset Output: The device provides a reset signal if the monitored voltage falls below its threshold. This feature guarantees that the system resets properly during power-up, power-down, or brownout conditions.
3. Manual Reset Capability: It has an input for a manual reset function, allowing for external control of the reset operation.
4. Low Supply Current: The MAX824REUK+T is designed to consume minimal power, making it suitable for battery-operated devices.
5. Small Package: Available in a compact SOT-23 package, it is suitable for space-constrained applications.
6. Wide Temperature Range: The device operates over an extended temperature range, which makes it versatile for various environmental conditions.
These features make the MAX824REUK+T ideal for enhancing system reliability by ensuring proper microprocessor operation and safeguarding against power-related issues.
Pinout
The MAX824REUK+T is a microprocessor supervisory circuit designed by Maxim Integrated. It typically comes in a SOT-23 package and has a 5-pin configuration.
Here is a brief overview of its pin functions:
1. VCC (Pin 1): This is the power supply input pin. It monitors the voltage level to ensure it is within the specified range to prevent improper operation.
2. GND (Pin 2): This is the ground pin and is the common return path for the circuit's current.
3. RESET (Pin 3): This active-low output pin is used to reset the microprocessor when the monitored voltage drops below a certain threshold, ensuring safe startup conditions.
4. MR (Pin 4): Manual Reset input pin. This active-low input allows users to assert a manual reset, providing flexibility for additional control.
5. WDI (Pin 5): Watchdog Timer Input. It requires periodic toggling within a set timeframe to ensure the microprocessor is operating correctly. If not toggled, it triggers a reset.
This device ensures proper microprocessor operations by monitoring supply voltage levels and providing timely reset signals.
Here is a brief overview of its pin functions:
1. VCC (Pin 1): This is the power supply input pin. It monitors the voltage level to ensure it is within the specified range to prevent improper operation.
2. GND (Pin 2): This is the ground pin and is the common return path for the circuit's current.
3. RESET (Pin 3): This active-low output pin is used to reset the microprocessor when the monitored voltage drops below a certain threshold, ensuring safe startup conditions.
4. MR (Pin 4): Manual Reset input pin. This active-low input allows users to assert a manual reset, providing flexibility for additional control.
5. WDI (Pin 5): Watchdog Timer Input. It requires periodic toggling within a set timeframe to ensure the microprocessor is operating correctly. If not toggled, it triggers a reset.
This device ensures proper microprocessor operations by monitoring supply voltage levels and providing timely reset signals.
Manufacturer
The MAX824REUK+T is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These components are widely used in various industries, including communications, healthcare, automotive, industrial, and consumer electronics, to convert, condition, and process real-world phenomena such as temperature, pressure, sound, light, and motion into electrical signals.
Application
The MAX824REUK+T is a microprocessor supervisory circuit used in a variety of applications to monitor power supply voltage levels. Its primary application areas include embedded systems, battery-operated devices, and portable electronics where it ensures the stability and reliability of power. It provides features such as a reset signal for microprocessors during power-up, power-down, and brownout conditions, enhancing system reliability. Additionally, it is used in applications requiring voltage monitoring and reset capabilities to prevent incorrect operation caused by voltage levels that are outside specified thresholds. This makes it suitable for consumer electronics, industrial control systems, and telecommunications equipment.
Package
The MAX824REUK+T is packaged in a SOT-23-5 configuration. SOT-23-5 is a small outline transistor package with five leads, suitable for surface-mount technology (SMT) applications.
