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MAX1232ESA+
+NomenclatureIC SUPERVISOR 1 CHANNEL 8SOIC
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #MAX1232ESA+
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Package SOP-8
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En stock3629
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 2.9V |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| ResetTimeout | 143ms Minimum |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
| Series | Smart Reset™ |
Présentation
Description
Key features include:
1. Reset Output: Generates a reset signal during power-up, power-down, and brownout conditions to prevent microprocessor malfunctions.
2. Watchdog Timer: Resets the microprocessor if it fails to toggle the watchdog input within a specified timeout period, ensuring the system is operating correctly.
3. Manual Reset Input: Allows external devices or users to initiate a reset, providing flexibility for system control.
4. Power-Fail Comparator: Monitors supply voltage and provides early warning of impending power loss, allowing systems to prepare or save critical data.
The MAX1232ESA+ operates over a wide voltage range, making it suitable for various applications, including embedded systems, computers, and consumer electronics, where system stability and reliability are crucial. Its compact 8-pin SOIC package allows easy integration into circuit designs.
Equivalent
Features
1. Voltage Monitoring: It monitors the power supply voltage and triggers a reset if it falls below a certain level.
2. Watchdog Timer: It includes a watchdog function that resets the microprocessor if it fails to toggle the watchdog input within a predetermined time frame, preventing system lock-up.
3. Manual Reset Input: Allows for an external signal to trigger a reset.
4. Precision Reset Threshold: Provides accurate voltage monitoring with a reset threshold precision.
5. Debounced Manual-Reset Input: Ensures a stable reset signal by debouncing the manual-reset input.
6. Low Supply Current: Consumes minimal power, making it suitable for battery-powered applications.
7. Small Package: Available in a compact 8-pin SO package, saving board space.
8. Temperature Range: Operates over a wide temperature range, suitable for various applications.
These features make the MAX1232ESA+ ideal for ensuring reliable microprocessor operation in critical applications.
Pinout
1. GND: Ground pin.
2. VCC: Power supply input.
3. RST (Active-Low Reset Output): Goes low when conditions for a reset are met.
4. RST (Active-High Reset Output): Goes high when conditions for a reset are met.
5. TD (Time Delay Set): Determines the timeout period by connecting a capacitor.
6. ST/WT (Strobe/Watchdog Input): Monitors microprocessor activity to prevent system lock-up.
7. WDI (Watchdog Input): Requires periodic toggling to indicate system operation.
8. NC (No Connection): Not internally connected (may vary by manufacturer).
The MAX1232 provides functionalities like reset assertion during power-up, power-down, or brownout conditions, and includes a watchdog timer to reset the microprocessor if it becomes inactive.
Manufacturer
Application
1. Embedded Systems: Ensures system reliability by monitoring voltage levels and providing reset functions.
2. Consumer Electronics: Protects devices like TVs, cameras, and game consoles from malfunction due to power glitches.
3. Industrial Automation: Maintains reliable operation of control systems by preventing undesired resets.
4. Networking Equipment: Offers protection and stability for routers and switches.
5. Telecommunications: Ensures continuity and reliability in communication devices by managing power fluctuations.
Overall, it enhances system stability and reliability across various electronic applications.