Infineon BTS721L1

BTS721L1 Allgemeine Beschreibung

The BTS721L1 is a smart high-side power switch IC that combines control, protection, and diagnostics features in a single package. It's used to control the supply of power to high-current loads such as motors, bulbs, heaters, and solenoids.

The component encompasses four distinct functions, showcasing optimal efficiency achievable with a 12V input voltage. A comprehensive set of twenty pins is integrated into its design. Enclosed within the package is an independent LED driver, exhibiting the ability to handle Peripheral Drivers with adeptness. The threshold for Vsup (maximum supply voltage) is established at 34V. Sustaining a supply voltage (Vsup) above 5V is essential for smooth operation. This particular component operates within a power supply range of V to 34V. It is characterized by an interface of the BUFFER OR INVERTER BASED PERIPHERAL DRIVER variety.

BTS721L1 Manufacturer

BTS721L1 is an electronic component produced by Infineon Technologies, which belongs to the power switching device in the field of automotive electronics. Here is some information about Infineon and an overview of their product BTS721L1:

Infineon is a semiconductor manufacturing company headquartered in Germany, founded in 1999. They are a leading global semiconductor company focused on providing innovative semiconductor solutions for various application areas. Infineon's product range covers automotive, industrial, communications, energy and consumer electronics and other fields. Their products include microcontrollers, sensors, power semiconductors, radio frequency (wireless communication) devices, and more.

Electrical Characteristics

Operating Voltage Range: Typically between 6V and 40V, making it suitable for the supply voltage range of automotive systems.

Output current capability: BTS721L1 can withstand high output current, usually in the range of tens of amperes to hundreds of amperes, suitable for controlling high-power loads, such as motors or relays.

Low On-Resistance: Features low switch on-resistance to help reduce power dissipation and energy efficiency losses.

Over-current protection: The over-current protection function is integrated, which can quickly cut off the output when the current exceeds the set value, so as to protect the load and the switch itself.

Over-temperature protection: The built-in over-temperature protection mechanism can trigger shutdown when the chip temperature exceeds the safe range to prevent overheating damage.

Funktionen

High-Side Power Switch for Automotive and Industrial Applications
The BTS721L1 serves as a high-side power switch designed to cater to both automotive and industrial applications. By residing on the high side of the load, it effectively manages power distribution and control in systems requiring this configuration.

Low On-Resistance (RDS(on)) for Efficient Power Delivery
With its low on-resistance (RDS(on)), the BTS721L1 facilitates efficient power delivery. This characteristic results in reduced voltage drops across the switch, minimizing power losses and enhancing overall system efficiency.

Overcurrent and Short-Circuit Protection
The BTS721L1 integrates overcurrent protection, which safeguards the switch and connected components from excessive current flows. Additionally, its short-circuit protection feature acts as a safety net, preventing damage in the event of a short circuit.

Overvoltage Protection
The overvoltage protection capability of the BTS721L1 shields the system from voltage spikes or surges that could potentially harm sensitive electronics. This protection enhances the device's reliability and longevity in dynamic electrical environments.

Thermal Shutdown Protection
To prevent overheating, the BTS721L1 features thermal shutdown protection. If the switch's temperature surpasses safe limits, the device automatically shuts down, averting potential thermal damage and ensuring operational safety.

Fast Demagnetization of Inductive Loads
For systems employing inductive loads (e.g., motors, solenoids), the BTS721L1 offers rapid demagnetization functionality. This mitigates the risk of voltage spikes or inductive kickback, which could otherwise cause harmful voltage transients.

Diagnostic Feedback through Current Sense Pin
The inclusion of a current sense pin allows the BTS721L1 to provide diagnostic feedback. By monitoring the current passing through the switch, the device offers insights into the system's current status, aiding in fault detection and troubleshooting.

Logic-Level Compatible Input for Control
The BTS721L1 boasts a logic-level compatible input, ensuring seamless interfacing with control systems. This feature simplifies integration and enhances the device's versatility in various control architectures.

Anwendung

The BTS721L1, with its exceptional capabilities, finds its prowess harnessed across a diverse spectrum of technological domains, ushering innovation and efficiency into each application it graces.

Smartphone and PDA:
In the realm of handheld technology, the BTS721L1 ensures efficient power distribution and management within smartphones and personal digital assistants, elevating their performance and reliability.

Industrial Motor Control:
Complex industrial systems benefit from the BTS721L1's precision in motor control, enhancing efficiency and control over machinery and equipment.

Portable Music Players:
Portable music players resonate with enhanced power management, courtesy of the BTS721L1, ensuring prolonged battery life and seamless operation.

Wireless Modem Data Cards:
Efficient power distribution within wireless modem data cards ensures reliable data communication and connectivity, furthering the evolution of communication technology.

PC Cards and Notebook PCs:
BTS721L1 contributes to the efficiency of PC cards and notebook PCs, enhancing power distribution and managing components for seamless functionality.

Set-Top Boxes:
The BTS721L1 ensures optimal power management within set-top boxes, enriching the user experience of digital entertainment.

USB Power Distribution:
Efficient power distribution within USB-powered devices is made possible by the BTS721L1, ensuring reliable and safe operation.

Hard Disk Drives:
BTS721L1 plays a vital role in managing power distribution within hard disk drives, safeguarding data integrity and longevity.

Relay Replacement and High-Current Load Control:
The BTS721L1's precision and reliability make it an ideal replacement for traditional relays in various applications, providing efficient high-current load control.

Automotive Lighting Systems:
From headlights to tail lights, the BTS721L1 contributes to enhanced control and efficiency in automotive lighting systems.

Automotive Heating Systems:
Seat heaters and defrosters benefit from the BTS721L1's precision control, ensuring comfort and safety in automotive heating systems.

Automotive Motor Control:
Wipers, fans, pumps, and various automotive motor control systems experience heightened efficiency and responsiveness through the BTS721L1.

BTS721L1 Equivalent Parts

BTS723GW

BTS723GW is a high-side switch driver with integrated protection function launched by Infineon Technologies. It is designed to drive high current loads, such as electric motors, solenoid valves, lighting control and other applications. Below is some basic information about BTS723GW:

Features:

High-Side Switch: Can control the flow of current to the load.
Integrated protection function: It has protection functions such as over-current, over-temperature, over-voltage, and under-voltage, which help to ensure the safe operation of the load.
Rectifier Function: Features a free wheel transformer rectifier to help improve efficiency.
Integrated Over-Voltage Protection: Prevents device damage from excessive supply voltage.
Integrated over-temperature protection: automatically cut off the output when the device temperature is too high to prevent overheating.
Application fields:

Automotive electronics: used in electric motor control, lighting control, etc. in cars.
Industrial automation: It can be used for motor control, switch control, etc. in industrial equipment.
Consumer electronics: suitable for power switch control of home appliances, office equipment, etc.
Electrical parameters:

Maximum Operating Voltage: Typically in the range of tens of volts to hundreds of volts, depending on model and application.
Maximum Operating Current: Capable of driving considerable load current, usually in the range of a few amps.
Package Type: Typically offered in a multi-pin package such as TO-263 for efficient heat dissipation.

TLE7259-3GE

The TLE7259-3GE is a high-performance LIN (Local Interconnect Network) transceiver manufactured by Infineon Technologies. LIN is a serial communication protocol mainly used for local network connection in automotive electronic systems, such as body control units, door controls, seat controls, etc.

LIN Communication Support: The transceiver is specifically designed to support the LIN communication protocol. It enables data transmission on the LIN bus, allowing communication between different electronic control units in the vehicle.

High level of integration: TLE7259-3GE integrates many key functions required by LIN transceivers, such as differential transmit and receive circuits, protection functions, etc., reducing the need for external components and helping to simplify the design.

Electrical Protection: The device provides various electrical protection features, including over-temperature protection, voltage overload protection, current limit, etc., to help protect the transceiver and the entire LIN system from damage.

Low power consumption: The TLE7259-3GE has low power consumption in standby mode, which is very important for automotive electronic systems requiring energy saving.

Fault detection: The transceiver supports fault detection and fault reporting, which can detect problems on the communication line and pass this information to the controller.

Diagnostic function: TLE7259-3GE can provide diagnostic information about communication status and line quality, which helps to identify and solve communication problems.

Temperature Range: The transceiver operates over a wide temperature range to accommodate the temperature changes that may occur in an automotive environment.

VNH3SP30-E

VNH3SP30-E is an electronic component produced by STMicroelectronics, which belongs to the integrated circuit in the field of motor drive and current detection. The device is a fully integrated high-side and low-side dual-channel power driver for controlling DC motors or other loads. It is commonly used in automotive electronics, industrial automation, robotics, power tools, and other applications requiring motor control.

Dual-channel design: VNH3SP30-E integrates two channels, high-side and low-side drivers, which makes it suitable for dual-channel motor control.

High Current Capability: Designed to handle relatively high currents, the device is capable of delivering up to 30A of output current, making it suitable for driving high-power motors.

Built-in protection features: VNH3SP30-E integrates a variety of protection features, including over-temperature protection, over-current protection, under-voltage protection, etc., which help ensure the safe operation of the circuit and protect related equipment.

PWM Control: The device can control the output current and voltage with a pulse width modulation (PWM) signal, enabling precise control of motor speed and torque.

Diagnostic function: VNH3SP30-E has a fault diagnosis function, which can detect and report problems such as current sensor open circuit and over temperature, which helps to find and solve potential problems in advance.

Package Type: VNH3SP30-E is usually available in a surface mount package for easy soldering and mounting on a circuit board.

Spezifikationen