BTS50451EJAXUMA1

Product Overview

• Category: Power Switches
• Use: Automotive applications
• Characteristics: High-side power switch, integrated protection features
• Package: TO-263-7 (D²PAK)
• Essence: Efficient and reliable power control solution
• Packaging/Quantity: Tape and reel, 250 units per reel

Specifications

• Voltage Range: 5.5V to 58V
• Current Limit: 40A
• RDS(ON): 3.5mΩ
• Operating Temperature Range: -40°C to +150°C
• Protection Features: Overload protection, short-circuit protection, overtemperature protection, undervoltage lockout

Detailed Pin Configuration

The BTS50451EJAXUMA1 has the following pin configuration:

1. IN - Input voltage supply
2. GND - Ground
3. OUT - Output to load
4. EN - Enable pin for controlling the switch
5. PGND - Power ground
6. DIAG - Diagnostic output
7. VCC - Supply voltage for internal logic

Functional Features

• High-side power switch with integrated protection features
• Fast and accurate overload, short-circuit, and overtemperature protection
• Undervoltage lockout for safe operation
• Diagnostic output for fault detection and system monitoring
• Low RDS(ON) for efficient power transfer
• Suitable for automotive applications due to wide operating temperature range

Advantages and Disadvantages

Advantages: - Integrated protection features ensure safe and reliable operation - Wide voltage range allows for versatile application - Diagnostic output aids in fault detection and troubleshooting - High current limit enables handling of demanding loads - Compact package size for space-constrained designs

Disadvantages: - Relatively high RDS(ON) compared to some alternative models - Limited availability in small quantities

Working Principles

The BTS50451EJAXUMA1 is a high-side power switch designed for automotive applications. It controls the flow of current from the input voltage supply to the load. The integrated protection features, such as overload, short-circuit, and overtemperature protection, ensure safe operation even under challenging conditions. The undervoltage lockout feature prevents the switch from operating when the supply voltage drops below a certain threshold. The diagnostic output provides information about any faults or abnormalities in the system.

Detailed Application Field Plans

The BTS50451EJAXUMA1 is commonly used in various automotive applications, including:

1. Electric power steering systems
2. Engine control units
3. Transmission control modules
4. Lighting systems
5. HVAC (Heating, Ventilation, and Air Conditioning) systems

Its high current limit, wide voltage range, and robust protection features make it suitable for these demanding applications.

Detailed and Complete Alternative Models

1. BTS50085-1TMB: Similar high-side power switch with lower RDS(ON) and higher current limit.
2. BTS5016SDAUMA1: High-side power switch with additional fault reporting capabilities.
3. BTS7008-1EPAUMA1: Power switch with integrated low-side driver for bidirectional control.

These alternative models offer different features and specifications, allowing designers to choose the most suitable option for their specific requirements.

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