MAX16039PLA31+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Monitoring and Reset
• Characteristics: Low-power, high-accuracy, voltage monitoring and reset IC
• Package: 8-pin Plastic Leadless Chip Carrier (PLCC)
• Essence: Provides power supply monitoring and reset functions for various electronic systems
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 3.42V, 3.63V, 4.38V, 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Pin Configuration

The MAX16039PLA31+T has the following pin configuration:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output (RESET OUT) --| MR |-- Pin 3: Manual Reset Input (MR) --| TH |-- Pin 4: Threshold Voltage Selection (TH) --| CT |-- Pin 5: Capacitor Connection (CT) --| VDD |-- Pin 6: Positive Supply Voltage (VDD) --| RESET IN |-- Pin 7: Reset Input (RESET IN) --| NC |-- Pin 8: No Connect (NC) |___________| ```

Functional Features

• Monitors the voltage level of the power supply
• Generates a reset signal when the voltage falls below a specified threshold
• Provides manual reset capability through the MR pin
• Adjustable reset timeout period to accommodate different system requirements
• Low quiescent current consumption for power-sensitive applications

Advantages and Disadvantages

Advantages: - High accuracy in voltage monitoring - Wide range of threshold voltage options - Adjustable reset timeout period for flexibility - Low-power operation for energy efficiency

Disadvantages: - Limited number of threshold voltage options - No built-in hysteresis for noise immunity

Working Principles

The MAX16039PLA31+T operates by continuously monitoring the voltage level of the power supply connected to the VDD pin. When the voltage falls below the threshold set by the TH pin, the IC generates a reset signal on the RESET OUT pin. The reset signal remains active until the voltage rises above the threshold or the reset timeout period elapses.

The IC also provides a manual reset capability through the MR pin. When the MR pin is pulled low, it forces an immediate reset regardless of the power supply voltage.

Detailed Application Field Plans

The MAX16039PLA31+T is commonly used in various electronic systems that require reliable power supply monitoring and reset functionality. Some typical application fields include:

1. Microcontrollers and Microprocessors: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Industrial Control Systems: Provides fault detection and recovery mechanisms to maintain system integrity and prevent damage to critical equipment.
3. Automotive Electronics: Monitors the vehicle's power supply to ensure safe operation and protect sensitive electronic components from voltage transients.
4. Medical Devices: Ensures continuous operation and patient safety by resetting the system in case of power supply anomalies.
5. Consumer Electronics: Protects sensitive circuitry and data integrity in devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

• MAX16038PLA31+T
• MAX16040PLA31+T
• MAX16041PLA31+T
• MAX16042PLA31+T
• MAX16043PLA31+T
• MAX16044PLA31+T
• MAX16045PLA31+T
• MAX16046PLA31+T

These alternative models offer similar power supply monitoring and reset functionality with varying specifications and features.