What Is the BTS6143D and How Does It Work?
10 January 2024
Ⅲ. Technical parameters of BTS6143D
Ⅴ. What are the advantages of BTS6143D?
Ⅵ. How is the protection function of BTS6143D implemented?
The BTS6143D is a high-end power switch with integrated vertical power FETs providing embedded protection and diagnostics. It is used for high-side power switch control and circuit protection, and has good prospects in fields such as automotive electronics, industrial control, consumer electronics and power tools. In this article, we will introduce the BTS6143D from the aspects of working principle, specifications, package, advantages and application fields, so that you can have a deeper understanding of this chip.
BTS6143D is an N-channel FET power transistor manufactured by Infineon Technologies. It integrates a charge pump, current driver, and has a fault feedback function for load current detection. It is a high-side intelligent power switch chip integrating SIPMOS on-chip technology. It is placed between the power supply and the load to control the application. Its working temperature range is -40°C to 150°C, and it adopts 12V or 24V load control. It is suitable for various resistive loads, inductive loads or capacitive loads, especially for loads with high inrush current. In addition, BTS6143D also has multiple protection functions such as short-circuit protection, over-temperature shutdown, electrostatic discharge protection, over-voltage protection, overload protection, ground and power-down protection, and power reverse connection protection.
Alternatives and equivalents:
• BTS443P
• BTS452R
The BTS6143D is a dual-channel high-side power switch that can control two independent loads. Each channel contains an N-channel MOSFET for high side current switching. A current sensor for current detection is integrated inside the chip to monitor the load current. This is important for current limiting and protection circuits. The BTS6143D also provides a variety of diagnostic and protection functions, including overheat protection, overload protection, and short circuit protection. These features help ensure that the system can operate safely under abnormal conditions and prevent damage to the chip and surrounding circuits. In addition, BTS6143D also supports PWM signal, which can achieve precise control of the output current.
• BTS6143D is manufactured by Infineon.
• It dissipates 59 W of power.
• Its operating temperature is -40°C to 150°C.
• The operating power supply voltage of BTS6143D is 5.5 V to 38 V.
• Its mounting method is SMD or SMT.
• The dimensions of BTS6143D are 6.5 mm in length, 6.22 mm in width, and 2.3 mm in height.
• It has 1 channel and 5 pins and comes in TO-252 package and Tape & Reel (TR) packaging.
The package of BTS6143D is shown above. The length of the power tube is 6.5 mm, the width is 6.22 mm, and the height is 2.3 mm. It adopts TO-252 package and Tape & Reel (TR) packaging. This package has high stability and ensures that the power tubes work properly under high temperature, high voltage, and high power conditions. At the same time, the use of Tape & Reel (TR) packaging can effectively reduce the waste in the packaging process and improve production efficiency.
1. Green: It complies with RoHS standards and is a green power switch IC.
2. Integrated protection function: The power tube is integrated with comprehensive protection functions, which can ensure the safe and stable operation of the circuit.
3. High inrush current capability: The power tube has a high inrush current capability, which can effectively protect the circuit from damage.
4. Integrated diagnostic function: The power tube is integrated with advanced diagnostic function, which can monitor the circuit status in real time and discover potential problems in time.
5. High load current capability: It has excellent load current capability, which can meet the needs of various high load scenarios.
6. High performance: It has high load current capability, high inrush current capability and high energy capacity, which can meet the needs of various high load applications.
BTS6143D has the functions of over-voltage protection, overload protection and short-circuit protection, which are realized as follows:
Over-voltage protection: When the power supply voltage exceeds the rated value, BTS6143D will automatically cut off the power tube to prevent the voltage from continuing to rise. At the same time, it will also feedback the over-voltage information to the control circuit so that the control circuit and take corresponding protective measures.
Overload protection: When the load current exceeds the rated value, BTS6143D will automatically reduce the on-resistance of the power tubes to minimize the rate of current increase. At the same time, it will also feedback the overload information to the control circuit so that the control circuit can take corresponding protective measures.
Short-circuit protection: When a short-circuit occurs in the load circuit, the current flowing through the load will increase rapidly, and the current detection pin of the power switch can detect this abnormal current. When the abnormal current is detected, the BTS6143D will immediately turn off the power tubes to prevent the current from continuing to increase, thus achieving the purpose of protecting the power switch and load equipment.
BTS6143D is usually used in the following fields.
• Medical equipment: It can be used in electronic control systems to ensure the stable operation of equipment and provide necessary protection functions.
• Lighting system: In LED lighting system, it can be used for current monitoring and control. By monitoring the LED drive current in real time, the BTS6143D can ensure that the LED will not be damaged due to over-current. At the same time, it can effectively control power consumption and further improve energy saving effects.
• Industrial control: As a high-performance switch controller, BTS6143D provides convenient remote control and protection functions for various electrical equipment. It plays an important role in high-side switching applications such as transformers and distribution equipment in industrial scenarios.
• Household appliances: This power tube can be used to control and protect various electrical equipment, such as refrigerators, air conditioners, and washing machines, to ensure the safe and efficient operation of these equipment.
• Automotive electronic systems: This power tube is usually used in automotive electronic systems such as lighting control units, body electronic control units (ECUs), and seat control units. It can be used to control and protect various electronic devices in vehicles.
• Motor control: The BTS6143D can measure the current of equipment such as power tools, blinds and home appliances. This converter uses advanced microprocessor technology and features high precision, high reliability and easy integration. By combining BTS6143D with the control system, users can realize current control and protection functions for various devices.
Frequently Asked Questions
1. What are power transistor?
Power transistors are three terminal devices which are composed of semiconductor materials. They feature emitter, base and collector terminals. These devices are particularly designed to control high current – voltage rating.
2. What is the replacement of BTS6143D?
You can replace the BTS6143D with AUIR3313STRL, BTS443P or BTS452R.
3. How do you power a transistor?
To turn on the transistor, you need a voltage difference between the base and the emitter of at least 0.7V. Since the emitter is attached to ground, that means any voltage over 0.7V applied to the base will turn the transistor on.
4. How is the BTS6143D typically controlled?
The BTS6143D can be controlled through its input pin. Applying a high or low voltage to this pin will turn the switch on or off, respectively. Some applications may use a microcontroller or other control circuitry to manage the switch.
