02 50Y - Technical Component Summary

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