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MAX6444US29L+T
+Lista de MateriaisIC SUPERVISOR 1 CHANNEL SOT143-4
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #MAX6444US29L+T
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| DigiKeyProgrammable | Not Verified |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 2.925V |
| 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 |
| SupplierDevicePackage | SOT-143-4 |
| BaseProductNumber | MAX6444 |
Visão Geral
Description
Key features of the MAX6444US29L+T include low supply current (typically 5µA), precision monitoring with a ±1.5% reset threshold accuracy, and a wide operating temperature range suitable for various environmental conditions. The reset output is available in various versions, including open-drain and push-pull configurations. The component is housed in a compact SOT-23 package, providing ease of integration into space-constrained designs.
Overall, the MAX6444US29L+T is ideal for applications requiring reliable voltage monitoring and reset capabilities, such as embedded systems, portable devices, and other electronics that demand robust power supervision.
Equivalent
1. TPS3808G29 from Texas Instruments
2. MCP130T-29 from Microchip
3. ADM6326-29 from Analog Devices
These products perform similar functions by monitoring voltage levels and providing a reset signal when thresholds are crossed. Always check the datasheets to ensure compatibility in terms of parameters like voltage threshold, reset delay, and package type.
Features
1. Voltage Monitoring: It provides precision monitoring for a 2.9V threshold, ensuring the system operates within specified voltage levels.
2. Low Quiescent Current: The device operates with minimal power consumption, making it suitable for battery-powered applications.
3. Reset Output: It includes a reset output that is asserted when the monitored voltage falls below the threshold, helping to prevent processor errors during power-up, power-down, or brownout conditions.
4. Manual Reset Input: Offers a manual reset capability, allowing external control over the reset function.
5. Small Package: Available in a compact SOT-23 package, which is ideal for space-constrained designs.
6. Temperature Range: Operates effectively over a wide temperature range, accommodating various environmental conditions.
This combination of features makes the MAX6444US29L+T a reliable choice for safeguarding microprocessor functionality in diverse electronic applications.
Pinout
The primary function of the MAX6444US29L+T is to monitor the power supply voltage of microprocessor systems. It generates a reset signal to the microprocessor whenever the monitored voltage drops below a preset threshold, which in this case is 2.93V. This reset helps ensure that the microprocessor operates correctly during power-up, power-down, and brownout conditions.
The pins generally include:
1. VCC: Power supply input.
2. GND: Ground.
3. RESET: Reset output signal, which is active during low voltage conditions.
4. Manual Reset Input: Allows manual triggering of the reset.
5. Other Functional Pin: Could be used for additional functionality like a watchdog timer or another output.
For precise pin configurations and functionalities, consulting the manufacturer's datasheet is recommended.
Manufacturer
Application
1. Computing and Servers: Ensuring reliable operation by monitoring supply voltage and generating reset signals during power fluctuations.
2. Consumer Electronics: Enhancing the stability and reliability of devices like smart TVs, gaming consoles, and set-top boxes.
3. Industrial Control Systems: Providing robust power supervision in PLCs and other industrial equipment.
4. Networking Equipment: Maintaining system stability in routers, switches, and communication devices.
5. Automotive Electronics: Supervising microprocessor power in infotainment and control systems.
These applications leverage the device's ability to monitor voltage levels and ensure system reset during undervoltage conditions.