圖片僅供參考
MAX706ESA+T
+物料清單IC SUPERVISOR 1 CHANNEL 8SOIC
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製造商類比設備股份有限公司/Maxim集成
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製造商部分 #MAX706ESA+T
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規格
| 屬性 | 價值 |
| Part Status | Active |
| Base Product Number | MAX706 |
| DigiKey Programmable | Not Verified |
| Type | Simple Reset/Power-On Reset |
| Voltage - Threshold | 4.4V |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| Reset Timeout | 140ms Minimum |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
| Number of Voltages Monitored | 1 |
概述
Description
1. Reset Output: It generates a reset signal whenever the supply voltage falls below a specified threshold, ensuring safe microprocessor startup and operation.
2. Watchdog Timer: The device includes a watchdog timer that resets the microprocessor in case of software failure or if it becomes unresponsive, enhancing system reliability.
3. Voltage Monitoring: It monitors supply voltage levels, with built-in thresholds for different voltage levels, helping to detect undervoltage conditions that could lead to erratic behavior.
4. Manual Reset Input: This feature allows for an external push-button reset, offering flexibility in system design.
5. Low Quiescent Current: The MAX706ESA+T is designed to be energy-efficient, consuming minimal power, which is essential for battery-operated devices.
These features make the MAX706ESA+T suitable for use in a wide range of applications, including consumer electronics, industrial equipment, and any system requiring reliable microprocessor operation.
Equivalent
1. Microchip: MCP1316T-29LE/OT
2. STMicroelectronics: STM708T
3. Texas Instruments: TPS3823-29DBVR
4. ON Semiconductor: NCP300LSN29T1G
These alternatives serve similar functions, such as monitoring supply voltage and providing a reset signal to ensure reliable microprocessor performance. Always verify pin compatibility and electrical characteristics before substitution.
Features
1. Voltage Monitoring: It monitors power supplies and provides a reset signal to the microprocessor when the supply voltage drops below a preset threshold. It ensures reliable system operation by preventing erratic behavior during power supply fluctuations.
2. Reset Functionality: The device generates a reset signal on power-up, power-down, and brownout conditions, which helps in maintaining system stability.
3. Low Supply Current: It operates with a low supply current, making it suitable for battery-powered applications.
4. Manual Reset Input: Comes with a manual reset input, allowing the system to be reset via an external signal.
5. Watchdog Timer: Includes a watchdog timer that forces a reset if the microprocessor fails to toggle the watchdog input within a specified time period, enhancing system reliability.
6. Small Package: Housed in a compact 8-pin SOIC package, it is suitable for space-constrained applications.
These features make the MAX706ESA+T ideal for ensuring stable operation in various electronic systems.
Pinout
1. VCC (Pin 8): Supply voltage input.
2. GND (Pin 4): Ground reference for all signals.
3. RESET (Pin 1): Active-low reset output. It asserts low whenever VCC falls below the reset threshold, or when the manual reset is activated, or during a watchdog timeout.
4. RESET (Pin 7): Active-high reset output, complementary to the RESET pin.
5. MR (Pin 3): Manual reset input. Pulling this pin low causes a reset.
6. WD (Pin 6): Watchdog input. If not toggled within a specified timeout, it triggers a reset.
7. WDI (Pin 5): Watchdog timer input. It must receive regular transitions to avoid a reset.
8. NC (Pin 2): No connect; this pin is typically not used.
The MAX706 provides reliable reset control to ensure proper startup of microprocessor systems, with features like low supply current and precise monitoring of VCC for ensuring system stability.
Manufacturer
Application
1. Embedded Systems: Provides power-on reset and monitors system voltage to reset the microcontroller in case of power failure or voltage drops.
2. Consumer Electronics: Ensures stable operation of devices like TVs, gaming consoles, and home appliances.
3. Industrial Control Systems: Monitors and protects systems in industrial environments from faulty operations due to power issues.
4. Computers and Networking: Used in PCs, routers, and servers for power supervision and reset functions.
5. Portable Devices: Ensures reliable startup and operation in battery-powered devices like mobile phones and handheld gadgets.
These circuits are essential for maintaining system integrity and preventing data corruption.