external molex power supply

is closely linked with the working electromagnetic environment. If the EMS capability of parts is too low, if the components are subject to internal or external electromagnetic harassment, the light may affect the product performance, or the heavy parts may directly affect the vehicle safety, resulting in personnel damage. Because vehicles and their parts have very high safety performance requirements, the vehicle's EMC standards are often more sever

example 1, the voltage (VO) of 1.2 V is generated. For example 1, the resistance value of r144 is about 26.1 kΩ.In this design, the switching frequency of all tps54310 is set to 700 kHz, and the setting of this frequency is calculated using formula 2. Take 1 as an example. The FSW can be set as the switching frequency, and the fan range is 280khz ~ 700 kHz, while requiring sync to remain open.R136 = (100 KB/FSW) x 500 kHz (2)Therefore, the resistance of r136 is about 71.5 kb.The output filter c

The so-called power transfer is the input voltage through the pressure circuit to achieve the lift/buck function for the use of other modules, intelligent car production, the input battery voltage of 7.2V, the other modules required voltage as follows: Minimum system board/oled/Eagle Eye camera 3.3V, op amp power supply ±5 V, servo

When you buy a new computer peripherals, such as an external hard disk, and insert it into a computer, you find that to make it work normally, you still need a more advanced connector to drive the device, these connectors are often not cheap. The Wi-Fi world is also facing the same situation. Learn how to be smart (please continue to read this article and we will solve this problem for you ). Exercise caution when transitioning to 802.11ac The latest

size of the gate drive voltage, the driving voltage increases, the resistance becomes smaller. Detailed relationship curves can be obtained from the manufacturer's manual. This working condition, known as the synchronous rectification of the MOSFET, is a very important working condition in the low voltage high current output switching power supply. Forward cutoff equivalent circuit of

USB interface is not powered enough, the hard drive will often be "choppy. 3. When a USB device is not connected, the system can be started normally. However, after a USB device is connected, the system cannot be started normally and an error message is displayed, for example, the system startup file cannot be found, or the System Startup File is damaged. 4. Even if the computer system can automatically identify the USB device, and the content of the USB device can be accessed, it is obviou

is that the power supply is insufficient. 2, the use of substitution, replaced by a good chassis power supply test, found that the fault still exists, prove that the power supply is not a problem. 3, so

Switching power supply Control mode Switching power supply in normal operation, the load in the external interference will produce fluctuations, how to ensure that the load fluctuations in the condition of the output stability needs to control the knowledge of the theory to

UPS Power is what is actually not a special understanding for most people, today I will explain from three aspects of UPS power is what.First UPS English full name is "uninterruptible power supply", that is, the Chinese uninterruptible power

PA6, PA7 usb_id usb_on all pull highUSB_ID: High voltage trigger external USB for chargingUSB_ON: Used to test the sub has been powered, plug the USB Internal Charging Mode Analysis:The handle is plugged into an external power supply and the vbus level is high.At this point the usb_id level is high, open the Q