02 50Y - Vertical Power DMOS Switch Technical Summary

Overview

The 02 50Y is a high-performance vertical power DMOS switch designed for robust power management applications. This monolithic component integrates temperature sensing with power switching capabilities, making it ideal for systems requiring reliable overcurrent and overtemperature protection. The device features low on-state resistance and 5V logic compatibility, enabling efficient power control in both industrial and consumer applications.

Key Features

• Vertical Power DMOS Architecture: Provides efficient power switching with minimal losses
• Low On-State Resistance: Reduces power dissipation and improves system efficiency
• 5V Logic Compatible Input: Enables direct interface with microcontrollers and logic circuits
• Integrated Overtemperature Protection: Self-resetting with hysteresis for reliable operation
• Comprehensive Overload Protection: Safeguards against excessive current conditions
• Monolithic Temperature Sensing: Built-in thermal monitoring capability

Functional Description

Block Diagram Overview

The 02 50Y integrates several key functional blocks:

• Power DMOS switch stage
• Gate drive circuitry
• Logic level input interface
• Temperature sensing and protection circuit
• Current monitoring and overload protection

Protection Mechanisms

The device incorporates multiple protection features:

• Thermal Shutdown: Automatically disables output when junction temperature exceeds safe limits
• Hysteretic Recovery: Ensures proper cooling before reactivation after thermal shutdown
• Overcurrent Protection: Limits output current during fault conditions

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (V_CC): 40V
• Logic Input Voltage: -0.3V to +7V
• Continuous Output Current: 5A
• Peak Output Current (pulsed): 10A
• Operating Junction Temperature: -40°C to +150°C
• Storage Temperature: -55°C to +175°C

Static Electrical Characteristics

• On-State Resistance (R_DS(on)): 50mΩ typical at 25°C
• Logic Input High Threshold: 2.0V minimum
• Logic Input Low Threshold: 0.8V maximum
• Quiescent Current: 1mA typical

Dynamic Characteristics

• Turn-On Delay Time: 100ns typical
• Turn-Off Delay Time: 150ns typical
• Rise Time: 50ns typical
• Fall Time: 70ns typical

Protection Characteristics

• Thermal Shutdown Threshold: 150°C typical
• Thermal Hysteresis: 20°C typical
• Overcurrent Threshold: 7A typical

Applications

The 02 50Y is suitable for a wide range of power switching applications:

Industrial Systems

• Motor control circuits
• Solenoid and relay drivers
• Programmable logic controller (PLC) outputs

Automotive Electronics

• Power distribution modules
• Lighting control systems
• Actuator drivers

Consumer Electronics

• Power management in home appliances
• Battery protection circuits
• LED driver systems

Package Information

Physical Dimensions

The 02 50Y is available in a TO-220 package with the following dimensions:

• Package Length: 10.0mm ±0.2mm
• Package Width: 15.0mm ±0.2mm
• Package Height: 4.5mm ±0.2mm
• Lead Pitch: 2.54mm

Pin Configuration

• Pin 1: Gate Input (Logic Control)
• Pin 2: Drain (Power Output)
• Pin 3: Source (Power Return)

Thermal Characteristics

• Junction-to-Ambient Thermal Resistance (R_θJA): 62°C/W
• Junction-to-Case Thermal Resistance (R_θJC): 3°C/W
• Maximum Power Dissipation: 2.5W at 25°C (derate above 25°C)

Design Considerations

Layout Guidelines

• Use adequate copper area for heat dissipation
• Minimize trace length between power source and device
• Include bypass capacitors near the device for stable operation

Thermal Management

For applications requiring continuous high current operation:

• Consider using a heatsink for power dissipation above 1W
• Ensure proper airflow in enclosed systems
• Monitor junction temperature in critical applications

Reliability Data

• MTBF (Mean Time Between Failures): >1,000,000 hours
• ESD Protection: HBM Class 2 (>4000V)
• Moisture Sensitivity Level (MSL): MSL 3

Ordering Information

• Standard Package: 02 50Y-TO220
• Tape and Reel Option: 02 50Y-TO220-TR
• Lead-Free Version: 02 50Y-TO220-LF