ADM1192ARMZ-R7

Overview

Category: Integrated Circuit (IC)

Use: Power Supply Monitor and Protection IC

Characteristics: - Monitors and protects power supply voltage levels - Provides fault detection and protection features - Suitable for various applications requiring power supply monitoring and protection

Package: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Essence: The ADM1192ARMZ-R7 is an integrated circuit designed to monitor and protect power supply voltage levels in various applications.

Packaging/Quantity: The ADM1192ARMZ-R7 is available in a 10-TFSOP or 10-MSOP package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 18V
• Operating Temperature Range: -40°C to +85°C
• Fault Detection Threshold Accuracy: ±1%
• Overvoltage Threshold Range: 2.5V to 16V
• Undervoltage Threshold Range: 2.5V to 16V
• Adjustable Reset Timeout Period: 1ms to 10s

Detailed Pin Configuration

The ADM1192ARMZ-R7 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. RESET: Active-low reset output
4. FAULT: Open-drain fault output
5. OVSET: Overvoltage threshold setting
6. UVSET: Undervoltage threshold setting
7. OV: Overvoltage input
8. UV: Undervoltage input
9. SDA: I2C serial data input/output
10. SCL: I2C serial clock input

Functional Features

• Monitors power supply voltage levels and provides fault detection
• Supports adjustable overvoltage and undervoltage threshold settings
• Provides an active-low reset output for system reset
• Offers an open-drain fault output to indicate power supply faults
• Utilizes I2C serial communication interface for configuration and monitoring

Advantages and Disadvantages

Advantages: - Accurate fault detection with ±1% threshold accuracy - Adjustable reset timeout period for flexibility - Wide input voltage range suitable for various applications - Compact package size for space-constrained designs

Disadvantages: - Limited to I2C interface for configuration and monitoring - Requires external components for proper operation

Working Principles

The ADM1192ARMZ-R7 operates by continuously monitoring the power supply voltage levels through the OV and UV inputs. It compares these levels with the user-configured overvoltage and undervoltage thresholds set using the OVSET and UVSET pins.

If the power supply voltage exceeds the overvoltage threshold or falls below the undervoltage threshold, the ADM1192ARMZ-R7 asserts the FAULT pin, indicating a power supply fault. Additionally, it generates an active-low reset signal on the RESET pin to initiate a system reset.

The device communicates with the host system through the I2C serial interface (SDA and SCL pins), allowing configuration and monitoring of various parameters.

Detailed Application Field Plans

The ADM1192ARMZ-R7 can be used in a wide range of applications that require power supply monitoring and protection. Some potential application fields include:

1. Industrial Control Systems: Ensuring stable power supply for critical control systems in industrial environments.
2. Telecommunications Equipment: Protecting sensitive telecom equipment from power supply fluctuations.
3. Automotive Electronics: Monitoring and protecting power supplies in automotive electronic systems.
4. Medical Devices: Safeguarding power supply integrity in medical equipment for patient safety.
5. Consumer Electronics: Preventing damage to electronic devices due to power supply abnormalities.

Detailed and Complete Alternative Models

1. ADM1191ARMZ-R7: Similar to ADM1192ARMZ-R7 but without the I2C interface.
2. ADM1193ARMZ-R7: Enhanced version with additional fault detection features.
3. ADM1194ARMZ-R7: Higher voltage range variant for specific applications.

Note: The above alternative models are provided as examples and may not cover all available options in the market.

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