MAX847EEI+T
Product Overview
Category
The MAX847EEI+T belongs to the category of voltage references and supervisors.
Use
It is used to provide a stable reference voltage and monitor power supply voltages in various electronic circuits.
Characteristics
- Provides a stable reference voltage
- Monitors power supply voltages
- Small form factor package
- Low power consumption
Package
The MAX847EEI+T is available in a small outline integrated circuit (SOIC) package.
Essence
The essence of MAX847EEI+T lies in its ability to ensure stable reference voltage and monitor power supply voltages, contributing to the reliability and stability of electronic systems.
Packaging/Quantity
The MAX847EEI+T is typically packaged in reels and is available in quantities suitable for production runs.
Specifications
- Input Voltage Range: 4.5V to 18V
- Reference Voltage Output: 5V
- Operating Temperature Range: -40°C to +85°C
- Quiescent Current: 50µA
- Power-On Reset Timeout: 140ms
- Watchdog Timer Timeout: 1.6s
Detailed Pin Configuration
The MAX847EEI+T has the following pin configuration: 1. VCC 2. GND 3. RESET 4. MR 5. WDI 6. VOUT
Functional Features
- Voltage Reference: Provides a stable 5V reference voltage.
- Power-On Reset: Monitors the input voltage and holds the reset output low until the supply voltage reaches the proper operating level.
- Watchdog Timer: Monitors system activity and resets the microcontroller if it fails to toggle within the specified timeout period.
Advantages and Disadvantages
Advantages
- Provides stable reference voltage
- Monitors power supply voltages
- Low quiescent current
- Wide input voltage range
Disadvantages
- Limited to specific voltage levels
- Requires external components for full functionality
Working Principles
The MAX847EEI+T operates by comparing the input voltage with a stable internal reference. It generates a reset signal when the input voltage falls below a certain threshold. Additionally, the watchdog timer monitors system activity and ensures proper functioning of the microcontroller.
Detailed Application Field Plans
The MAX847EEI+T is commonly used in applications such as: - Embedded systems - Industrial control systems - Automotive electronics - Power management circuits
Detailed and Complete Alternative Models
Some alternative models to MAX847EEI+T include: - MAX809 - TL431 - LM4040
In conclusion, the MAX847EEI+T is a versatile voltage reference and supervisor IC that offers stable reference voltage and power supply monitoring capabilities. Its compact package and low power consumption make it suitable for a wide range of electronic applications.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MAX847EEI+T i tekniska lösningar
What is the MAX847EEI+T?
- The MAX847EEI+T is a precision, adjustable overvoltage and undervoltage protection circuit designed to protect sensitive electronic equipment from overvoltage and undervoltage conditions.
How does the MAX847EEI+T protect against overvoltage?
- The MAX847EEI+T monitors the input voltage and disconnects the load when the voltage exceeds a preset threshold, protecting the downstream circuitry.
Can the MAX847EEI+T be used for undervoltage protection as well?
- Yes, the MAX847EEI+T can also monitor for undervoltage conditions and disconnect the load when the voltage falls below a certain threshold, preventing damage to the equipment.
What is the typical application of the MAX847EEI+T?
- The MAX847EEI+T is commonly used in power supplies, battery management systems, and industrial control systems to provide reliable overvoltage and undervoltage protection.
What is the operating voltage range of the MAX847EEI+T?
- The MAX847EEI+T operates within a wide voltage range, typically from 4.5V to 36V, making it suitable for various applications.
Does the MAX847EEI+T require external components for operation?
- Yes, the MAX847EEI+T requires external resistors to set the overvoltage and undervoltage thresholds, as well as capacitors for filtering and timing.
Is the MAX847EEI+T suitable for automotive applications?
- Yes, the MAX847EEI+T is designed to meet the stringent requirements of automotive applications and can be used in automotive electronics for voltage protection.
What are the key features of the MAX847EEI+T?
- The MAX847EEI+T features adjustable overvoltage and undervoltage thresholds, low quiescent current, and a wide operating temperature range, making it versatile for different technical solutions.
Can the MAX847EEI+T handle transient voltage spikes?
- Yes, the MAX847EEI+T is capable of handling transient voltage spikes and provides robust protection against voltage surges.
Are there any application notes or reference designs available for the MAX847EEI+T?
- Yes, Maxim Integrated provides detailed application notes and reference designs for the MAX847EEI+T to assist engineers in implementing the device effectively in their technical solutions.