| Allicdata Part #: | MAX819MESA+T-ND |
| Manufacturer Part#: |
MAX819MESA+T |
| Price: | $ 2.24 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Maxim Integrated |
| Short Description: | IC SUPERVISOR MPU 5V 8-SOIC |
| More Detail: | Supervisor 1 Channel 8-SOIC |
| DataSheet: |  MAX819MESA+T Datasheet/PDF |
| Quantity: | 1000 |
| 2500 +: | $ 2.03924 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Type: | Battery Backup Circuit |
| Number of Voltages Monitored: | 1 |
| Output: | -- |
| Reset: | Active Low |
| Reset Timeout: | 140 ms Minimum |
| Voltage - Threshold: | 4.4V |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package: | 8-SOIC |
| Base Part Number: | MAX819 |
Description
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MAX819MESA+T is a supervisory circuit developed by Maxim Integrated. It incorporates two independent reset outputs and assists a wide range of microcontrollers and microprocessors with power supervisory functions. This device is also capable of regulating power sequencing for sequenced power-on reset (POR), power-on reset with monitoring (POM), and power-on reset with timeout (PTOT) operations. The MAX819MESA+T is a highly-integrated solution designed to provide reset precision and accuracy under any conditions of system power supply or processor activity.The MAX819MESA+T is optimized for use in portable and battery-operated devices, where power supply system monitoring is key. It features a high-accuracy voltage reset threshold setting, as well as a wide operating voltage range. The MAX819MESA+T enables power-down reset operation, which efficiently prevents microprocessor crash due to brown-out or line noise. It also incorporates an on-chip temperature sensor that can be used for thermal shutdown. The MAX819MESA+T application field includes a variety of portable systems such as laptops, PDAs, mobile phones, digital cameras, and more. It is also suitable for applications such as USB peripherals, telecoms, automotive electronics, and other industrial systems. In these applications, the MAX819MESA+T provides reliable system monitoring and reset sequencing, as well as temperature-based system protection. As it is highly configurable and customizable, the MAX819MESA+T can also meet specific customer needs.The main operating principle of the MAX819MESA+T is based on a dual reset system, which generates an active-low reset output (RESET2) and an active-high reset output (RESET1) according to the device\'s input voltage and the set threshold voltage. When the input voltage drops below the set threshold voltage, RESET2 activates and sends a reset signal to the processor. Additionally, when the input voltage rises above the threshold voltage, RESET1 becomes active and sends a reset signal to the processor. The device features several reset time-out functions, including POR, POM, and PTOT. The POR operation of the MAX819MESA+T includes two separate reset outputs activated at a set threshold voltage level. When the input voltage drops below the set threshold voltage, RESET2 is activated, sending a reset signal to the processor. When the input voltage rises above the theshold voltage, RESET1 becomes active, sending a reset signal to the processor. The POM operation is similar to POR, but with an additional measurement of the input voltage after reset. In PTOT operations, the timing of the reset outputs is determined by a timeout period. All of these operations are based on the control of the reset state of both RESET1 and RESET2. In conclusion, the MAX819MESA+T is a supervisory circuit developed by Maxim Integrated to provide reset precision and accuracy for microcontrollers and microprocessors. With its flexible POR, POM, and PTOT operations, as well as temperature-based system protection, this device offers a reliable solution for power supervisory and power sequencing functions in a variety of portable and battery-operated devices.
The specific data is subject to PDF, and the above content is for reference
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