BTS5210LAUMA1

Product Overview

• Category: Power Switch
• Use: Control and protection of loads in automotive applications
• Characteristics: High-side power switch, integrated protection features, optimized for automotive environments
• Package: Surface mount package (PG-TO263-7)
• Essence: Efficient and reliable control of high-current loads in automotive systems
• Packaging/Quantity: Tape and reel packaging, 250 units per reel

Specifications

• Voltage Range: 5.5V to 40V
• Current Limit: 30A
• RDS(ON): 6.5mΩ
• Operating Temperature Range: -40°C to +150°C
• Protection Features: Overtemperature shutdown, overcurrent protection, short-circuit protection, undervoltage lockout

Detailed Pin Configuration

The BTS5210LAUMA1 has the following pin configuration:

1. IN - Input control signal
2. GND - Ground reference
3. OUT - Output to load
4. VBB - Positive supply voltage
5. DIAG - Diagnostic output
6. SENSE - Current sense input
7. EN - Enable control input

Functional Features

• High-side power switch with integrated protection features
• Fast and accurate current sensing capability
• Low on-resistance for efficient power delivery
• Overtemperature shutdown protects against excessive heat
• Overcurrent and short-circuit protection ensure load safety
• Undervoltage lockout prevents operation below specified voltage levels

Advantages and Disadvantages

Advantages

• Robust design suitable for automotive applications
• Integrated protection features reduce external circuitry requirements
• Wide operating voltage range allows compatibility with various systems
• High current limit enables control of demanding loads
• Fast and accurate current sensing enhances system performance

Disadvantages

• Relatively high on-resistance compared to some alternative models
• Limited package options may restrict certain application scenarios

Working Principles

The BTS5210LAUMA1 is a high-side power switch that controls and protects loads in automotive systems. It operates by receiving an input control signal (IN) to enable or disable the switch. When enabled, the switch allows current flow from the positive supply voltage (VBB) to the load connected to the output pin (OUT). The current flowing through the load can be accurately sensed using the SENSE pin.

The device incorporates various protection features such as overtemperature shutdown, overcurrent protection, short-circuit protection, and undervoltage lockout. These features ensure safe operation and protect both the switch and the load from potential damage.

Detailed Application Field Plans

The BTS5210LAUMA1 is widely used in automotive applications, including:

1. Electric power steering systems
2. Engine control units
3. Transmission control modules
4. Lighting systems
5. HVAC systems
6. Battery management systems

Its robust design, integrated protection features, and high current limit make it suitable for controlling and protecting loads in these demanding automotive environments.

Detailed and Complete Alternative Models

1. BTS50085-1TMB: High-side power switch with similar characteristics and package options.
2. BTS6143D: High-side power switch with lower on-resistance and additional diagnostic features.
3. BTS555: High-side power switch with higher current limit and adjustable current sense threshold.

These alternative models offer different trade-offs in terms of specifications and features, allowing designers to choose the most suitable option for their specific application requirements.

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