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規格
| 屬性 | 價值 |
| Brand | Analog Devices / Maxim Integrated |
| ProductType | Supervisory Circuits |
| Series | MAX824T |
| Subcategory | PMIC - Power Management ICs |
| MinimumOperatingTemperature | - 40 C |
| MaximumOperatingTemperature | + 125 C |
| Type | Voltage Supervisory |
| MountingStyle | SMD/SMT |
| Package/Case | SOT-23-5 |
| NumberofInputsMonitored | 1 Input |
| OutputType | Active High, Active Low, Push-Pull |
| ManualReset | No Manual Reset |
| WatchdogTimers | Watchdog |
| SupplyVoltage-Max | 5.5 V |
| OperatingSupplyCurrent | 5 uA |
| OvervoltageThreshold | 3.11 V |
| SupplyVoltage-Min | 1.2 V |
| UndervoltageThreshold | 3.04 V |
| Part#Aliases | MAX824T |
| UnitWeight | 0.001058 oz |
| Height | 1.1 mm |
| Length | 2.9 mm |
| Width | 1.63 mm |
| ThresholdVoltage | 2.5 V, 3 V, 3.3 V, 5 V |
| BatteryBackupSwitching | No Backup |
| ResetDelayTime | 280 ms |
| ChipEnableSignals | No Chip Enable |
| Pd-PowerDissipation | 571 mW |
| PowerFailDetection | No |
概述
Description
The MAX824TEUK is a microprocessor supervisory circuit designed to monitor the power supply levels of microcontrollers and digital systems. It features a reset output that ensures proper system operation by holding the reset line low during power-up and power-down conditions, preventing erratic behavior. The device operates within a voltage range of 2.63V to 5.5V, making it compatible with various low-voltage systems.
Key features include an active-low reset output, a reset timeout period that can be configured, and the ability to monitor voltage levels accurately. Additionally, it offers a debounced manual reset pin for user-initiated resets. The MAX824TEUK is available in a compact package, making it suitable for space-constrained applications. Its low power consumption and reliability make it ideal for battery-powered devices and critical systems where stable operation is essential. Overall, the MAX824TEUK is a vital component for ensuring system stability in electronic designs.
Key features include an active-low reset output, a reset timeout period that can be configured, and the ability to monitor voltage levels accurately. Additionally, it offers a debounced manual reset pin for user-initiated resets. The MAX824TEUK is available in a compact package, making it suitable for space-constrained applications. Its low power consumption and reliability make it ideal for battery-powered devices and critical systems where stable operation is essential. Overall, the MAX824TEUK is a vital component for ensuring system stability in electronic designs.
Equivalent
The MAX824TEUK is a voltage supervisor chip. Equivalent products include the MCP100, TL7705, and LTC6700. Additionally, the NCP805 and TPS3701 can serve similar functions. When selecting equivalents, consider specifications like voltage thresholds, reset delay, and power consumption to ensure compatibility with your application. Always refer to datasheets for precise comparisons.
Features
The MAX824TEUK is a supervisory circuit designed to monitor power supply levels and ensure proper operation of microprocessors. Key features include:
1. Voltage Monitoring: It monitors supply voltages with a threshold of 2.63V to 5.0V, ensuring the proper operation of digital circuits.
2. Reset Function: Provides a reset signal for processors during power-up, brownout, and voltage recovery, preventing erratic behavior.
3. Manual Reset Input: Includes a pin for manual reset functionality, allowing user-initiated resets.
4. Short Reset Timeout: The reset output is active for a short duration after VCC is stable, allowing time for the system to initialize.
5. Low Power Consumption: Operates with low supply current to enhance battery life in portable applications.
6. Wide Operating Voltage Range: Compatible with various voltage levels, making it suitable for different systems.
7. Temperature Range: Operates effectively across a broad temperature range, making it reliable in diverse environments.
These features make the MAX824TEUK ideal for microcontroller and microprocessor-based applications.
1. Voltage Monitoring: It monitors supply voltages with a threshold of 2.63V to 5.0V, ensuring the proper operation of digital circuits.
2. Reset Function: Provides a reset signal for processors during power-up, brownout, and voltage recovery, preventing erratic behavior.
3. Manual Reset Input: Includes a pin for manual reset functionality, allowing user-initiated resets.
4. Short Reset Timeout: The reset output is active for a short duration after VCC is stable, allowing time for the system to initialize.
5. Low Power Consumption: Operates with low supply current to enhance battery life in portable applications.
6. Wide Operating Voltage Range: Compatible with various voltage levels, making it suitable for different systems.
7. Temperature Range: Operates effectively across a broad temperature range, making it reliable in diverse environments.
These features make the MAX824TEUK ideal for microcontroller and microprocessor-based applications.
Pinout
The MAX824TEUK is a microprocessor supervisor with a pin count of 8. It is designed to monitor the power supply voltage of microprocessors and microcontrollers. The main functions of the MAX824TEUK include:
1. Voltage Monitoring: It provides a reset signal if the supply voltage drops below a predetermined threshold.
2. Reset Output: It generates a reset output that holds the microprocessor in a reset state until the power supply stabilizes.
3. Manual Reset Input: An external reset can be initiated by using a manual reset pin.
4. Active-Low Reset: The reset output is active low, ensuring compatibility with most microprocessor reset requirements.
5. Temperature Range: It operates over an extended temperature range for reliability in various environments.
The specific pinout and additional details can usually be found in the manufacturer's datasheet.
1. Voltage Monitoring: It provides a reset signal if the supply voltage drops below a predetermined threshold.
2. Reset Output: It generates a reset output that holds the microprocessor in a reset state until the power supply stabilizes.
3. Manual Reset Input: An external reset can be initiated by using a manual reset pin.
4. Active-Low Reset: The reset output is active low, ensuring compatibility with most microprocessor reset requirements.
5. Temperature Range: It operates over an extended temperature range for reliability in various environments.
The specific pinout and additional details can usually be found in the manufacturer's datasheet.
Manufacturer
The MAX824TEUK is manufactured by Maxim Integrated, which is a semiconductor company that designs and produces analog and mixed-signal integrated circuits (ICs). Founded in 1983, Maxim Integrated specializes in high-performance analog and digital ICs for various applications, including automotive, industrial, communications, and consumer electronics. The company is known for its expertise in power management, signal processing, and interface solutions. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a leading global company in the field of semiconductor technology, further enhancing its capabilities in providing advanced analog solutions.
Application
The MAX824TEUK is a voltage supervisor used primarily in microcontroller applications for power management and system monitoring. Its key application areas include:
1. Microcontroller Reset: Ensures proper startup by generating a reset signal during power-up or voltage dips.
2. Power Supply Monitoring: Monitors voltage levels to prevent system malfunction due to under-voltage conditions.
3. Battery-Powered Devices: Extends battery life by enabling low-power operation when voltage levels drop.
4. Consumer Electronics: Used in devices like smartphones and tablets for reliable operation.
5. Industrial Controls: Ensures safety and stability in automation systems.
Overall, it enhances system reliability in various electronic applications.
1. Microcontroller Reset: Ensures proper startup by generating a reset signal during power-up or voltage dips.
2. Power Supply Monitoring: Monitors voltage levels to prevent system malfunction due to under-voltage conditions.
3. Battery-Powered Devices: Extends battery life by enabling low-power operation when voltage levels drop.
4. Consumer Electronics: Used in devices like smartphones and tablets for reliable operation.
5. Industrial Controls: Ensures safety and stability in automation systems.
Overall, it enhances system reliability in various electronic applications.
Package
The MAX824TEUK is packaged in a 5-pin SOT-23.