DC/DC-CONV vs TMX-354-1224G
| Part Number |
|
|
| Category | DC DC Converters | DC DC Converters |
| Manufacturer | Texas Instruments | SL Power Electronics Manufacture of Condor/Ault Brands |
| Description | PLUG/PLAY PLATFORM DC/DC CON | PS DC IN, QUAD OUT 5,12,-12,24V |
| Package | - | Module |
| Series | - | TMX |
| Type | - | Isolated |
| Operating Temperature | - | 0°C ~ 50°C |
| Mounting Type | - | Chassis Mount |
| Package / Case | - | Module |
| Applications | - | ITE (Commercial) |
| Number of Outputs | - | 4 |
| Voltage - Input (Min) | - | 40V |
| Voltage - Input (Max) | - | 60V |
| Voltage - Output 1 | - | 5V |
| Current - Output (Max) | - | 50A, 12A, 4A, 3A |
| Size / Dimension | - | 10.75" L x 4.80" W x 2.50" H (273.1mm x 121.9mm x 63.5mm) |
| Power (Watts) | - | 350W |
| Efficiency | - | 75% |
| Voltage - Output 2 | - | 12V |
| Voltage - Output 3 | - | -12V |
| Voltage - Output 4 | - | 24V |
-
1. What is a DC-DC converter?
A DC-DC converter is an electronic circuit that converts a DC voltage or current level to another DC voltage or current level. Its main function is to convert the input DC voltage to the required output voltage. It is usually used in different electronic devices to meet the voltage requirements of different circuits.
Working Principle
The DC-DC converter performs high-frequency switching through a controllable switch (such as MOSFET), and uses the energy storage characteristics of capacitors and inductors to store the input electrical energy in the capacitor (inductor). When the switch is disconnected, the electrical energy is released to the load to provide the required voltage. Its output power or voltage capacity is related to the duty cycle (the ratio of the switch on time to the entire switching cycle). By adjusting the duty cycle, functions such as boost, buck or inversion can be achieved.
Classification
DC-DC converters can be divided into the following categories:
Linear DC-DC converter: The output voltage is reduced through a resistive load. A transistor is connected between the input and output. The input voltage is reduced by the voltage across the transistor, resulting in a drop in the output voltage. This converter is suitable for low-power devices that require high-quality output voltage and low output voltage ripple, but its efficiency is low.
Switching DC-DC converter: uses switching elements to charge the storage capacitor through electrical pulses, and then the voltage is smoothed by the capacitor and transmitted to the load. This converter has a high efficiency of 85-90%. -
2. What are the three types of DC-DC converters?
There are three main types of DC-DC converters:
Buck DC-DC converter: This converter converts high voltage to low voltage. Its working principle is to control the output of voltage through a switching element. When the input voltage is higher than the required voltage, the switching element will be disconnected, causing the output voltage to decrease.
Boost DC-DC converter: This converter converts low voltage to high voltage. It works through the cooperation of inductors and switching elements. When the input voltage is lower than the required voltage, the voltage is increased by storing and releasing the energy of the inductor.
Boost-boost DC-DC converter: This converter can both buck and boost, and is suitable for applications with a wide voltage range. It combines the functions of bucking and boosting, and realizes flexible voltage conversion by intelligently controlling the working state of the switching element.
Working principle
The basic working principle of the DC-DC converter is to control the output of voltage through a switching element. The buck DC-DC converter disconnects the switch when the input voltage is higher than the required voltage, reducing the output voltage; the boost DC-DC converter increases the output voltage by storing and releasing the energy of the inductor; and the buck-boost DC-DC converter intelligently switches the working mode according to the needs to achieve flexible voltage regulation. -
3. What is the DC-DC converter in electric vehicles?
The DC-DC converter in electric vehicles is a device that converts the high-voltage DC power of the power battery into low-voltage DC power. It is mainly used to charge the battery and provide power support for the low-voltage electrical equipment of the whole vehicle.
The basic concept and working principle of DC-DC converter
The DC-DC converter, also known as the DC-DC converter, is a device that can efficiently convert DC power into DC power of different voltage values. It uses semiconductor power devices (such as power MOS tubes) as switches to achieve stable voltage conversion. DC-DC converters can be divided into two types: capacitive and inductive. Among them, inductive converters include boost, buck, and buck-boost converters.
Classification of DC-DC converters and their applications in electric vehicles
In electric vehicles, DC-DC converters are generally divided into three categories: boost, buck and regulated. Buck DC-DC converters are almost standard in electric vehicles. Their core function is to stably convert the high voltage of the power battery into a low voltage in order to charge the battery and provide power support for the low-voltage electrical equipment of the vehicle. -
4. Where are DC-DC converters used?
DC-DC converters (DC-DC converters) are widely used in many fields, mainly including consumer electronics, industrial control, automotive electronics, medical equipment, communication systems and renewable energy systems.
Consumer electronics
In consumer electronic devices, DC-DC converters are used to convert battery voltage to a voltage suitable for processors, displays and other components. For example, in smartphones, tablets and laptops, DC-DC converters can provide high-efficiency and low-noise power management to ensure the performance and battery life of the device.
Industrial control
In industrial control systems, DC-DC converters provide precise power for robots, sensors and other industrial equipment. For example, in automated production lines and robotics, DC-DC converters provide stable voltages for servo motors and control systems, ensuring precise operation of robots.
Automotive electronics
In the automotive electronics field, DC-DC converters are used in electric and hybrid vehicles to convert high-voltage DC power from batteries into low-voltage DC power suitable for on-board electronic devices. For example, DC-DC converters in electric vehicles are not only used to drive motors, but also provide stable power for various low-voltage electrical devices in the car, ensuring the stable operation of the vehicle's electrical system.
Medical equipment
In medical equipment, DC-DC converters are used in medical imaging equipment and portable medical devices. For example, X-ray machines and MRI machines require precise power supplies to ensure the clarity of images, while portable medical devices such as heart monitors and blood glucose monitors require lightweight, efficient DC-DC converters to extend battery life and ensure the portability of the equipment.
Communication systems
In communication systems, DC-DC converters are used in equipment such as mobile communication base stations to provide stable power to support the normal operation of communication equipment.
Renewable energy systems
In renewable energy systems, DC-DC converters are used in applications such as solar energy systems to convert DC power generated by solar panels into voltages suitable for use by the grid or load.
