Infineon Technologies
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BTS428L2ATMA1
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BTS428L2ATMA1

Basic Information Overview

  • Category: Power Switches
  • Use: Control and protection of loads in automotive applications
  • Characteristics:
    • High-side power switch
    • Integrated diagnostic functions
    • Overload protection
    • Short-circuit protection
    • Overtemperature protection
  • Package: TO-252-5 (DPAK)
  • Essence: Reliable and efficient power switch for automotive applications
  • Packaging/Quantity: Available in reels of 2500 pieces

Specifications

  • Supply Voltage Range: 5.5V to 40V
  • On-state Resistance: 8mΩ
  • Output Current: 28A
  • Operating Temperature Range: -40°C to +150°C
  • Standby Current: <10µA

Detailed Pin Configuration

The BTS428L2ATMA1 has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | IN | Input control signal | | 2 | GND | Ground | | 3 | OUT | Output to load | | 4 | DIAG | Diagnostic output | | 5 | VS | Supply voltage |

Functional Features

  • Integrated diagnostic functions for load status monitoring
  • Overload protection with adjustable current limit
  • Short-circuit protection with adjustable current limit
  • Overtemperature protection with thermal shutdown
  • Fast demagnetization of inductive loads
  • Low standby current for reduced power consumption

Advantages and Disadvantages

Advantages: - High reliability and robustness - Efficient power switching - Integrated diagnostic features enhance system safety - Adjustable current limits provide flexibility in load protection

Disadvantages: - Limited output current compared to some other power switches - Higher cost compared to basic power switches without diagnostic functions

Working Principles

The BTS428L2ATMA1 is a high-side power switch designed for automotive applications. It operates by controlling the flow of current from the supply voltage to the load. The input control signal (IN) determines whether the switch is on or off. When the switch is on, the output (OUT) is connected to the load, allowing current to flow. The diagnostic output (DIAG) provides information about the load status.

The device incorporates various protection mechanisms such as overload, short-circuit, and overtemperature protection. These features ensure the safe operation of the load and prevent damage to the switch itself. The adjustable current limits allow customization according to specific application requirements.

Detailed Application Field Plans

The BTS428L2ATMA1 is widely used in automotive applications that require control and protection of loads. Some common application fields include: - Automotive lighting systems - Electric power steering - Heating, ventilation, and air conditioning (HVAC) systems - Engine control units (ECUs) - Battery management systems

The power switch's ability to handle high currents and withstand harsh automotive environments makes it suitable for these applications.

Detailed and Complete Alternative Models

  • BTS426L1: Similar power switch with lower output current rating (16A)
  • BTS432E2: Power switch with higher output current rating (40A) and additional protection features
  • BTS50085-1TMB: Power switch with integrated driver and protection features for high-side and low-side switching applications

These alternative models offer different specifications and features, providing options for various application requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af BTS428L2ATMA1 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of BTS428L2ATMA1 in technical solutions:

  1. Q: What is BTS428L2ATMA1? A: BTS428L2ATMA1 is a high-side power switch used for controlling and protecting loads in automotive and industrial applications.

  2. Q: What is the maximum voltage and current rating of BTS428L2ATMA1? A: The maximum voltage rating is 40V, and the maximum current rating is 28A.

  3. Q: What are the typical applications of BTS428L2ATMA1? A: BTS428L2ATMA1 is commonly used in automotive lighting systems, motor control, heating and ventilation systems, and various industrial automation applications.

  4. Q: How does BTS428L2ATMA1 protect against overcurrent conditions? A: BTS428L2ATMA1 has built-in overcurrent protection that limits the output current to a safe level when it exceeds the set threshold.

  5. Q: Can BTS428L2ATMA1 handle short-circuit conditions? A: Yes, BTS428L2ATMA1 has short-circuit protection that quickly shuts off the output to prevent damage to the load and the switch itself.

  6. Q: Does BTS428L2ATMA1 have thermal protection? A: Yes, BTS428L2ATMA1 incorporates thermal shutdown protection that activates when the junction temperature exceeds a certain threshold.

  7. Q: What is the operating voltage range of BTS428L2ATMA1? A: The operating voltage range is typically between 5V and 34V.

  8. Q: Can BTS428L2ATMA1 be controlled using a microcontroller? A: Yes, BTS428L2ATMA1 can be controlled using a microcontroller through its enable pin and diagnostic feedback pins.

  9. Q: Does BTS428L2ATMA1 have reverse polarity protection? A: No, BTS428L2ATMA1 does not have built-in reverse polarity protection. External measures should be taken to prevent reverse polarity connection.

  10. Q: Is BTS428L2ATMA1 suitable for automotive applications? A: Yes, BTS428L2ATMA1 is specifically designed for automotive applications and meets the necessary standards and requirements.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.