This depends on the nominal output current of your chip and the actual demand current on the board are how much, in the high-voltage small current (several mA) chip, DC-DC efficiency of 30%~40% are good, if the output current is close to the nominal output current about half, about 90% of the efficiency can basically be achieved.
/3 to 1/2. The mobility of P-type semiconductors is 1/3 to 1/2 that of N-type semiconductors. Hole type semiconductor, also known as P-type semiconductor, is a semiconductor with positive hole conduction. N-type semiconductingThe bulk is an impurity semiconductor where the concentration of free electrons is much greater than the concentration of holes.
The scheme is based on the design and development of Zhirong's latest super fast charge mobile power chip SW6208 and wireless charging chip SW5100. The mobile power part continues the excellent performance of SW6208, and one chip solves a variety of complex functions such as lift voltage control, protocol recognition, 5 charging interface control, and LED power display. Its biggest feature is support for 25W super fast charge. The wireless charging part uses Zhirong SW5100 main control chip, and the peripheral circuit is extremely compact.
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Chip Pin SW usually stands for Switch Chip pin SW may have different meanings in different application situations, in general, it stands for Switch pin (Switch Pin), is a pin related to the switch in the circuit. In some chips, the SW pin is used to control the switching circuit inside the chip, for example, to control the working state of the switching power supply or to switch resistors and capacitorsSuch components of the circuit.
SW is the Switch pin. FB is the FeedBack pin. COMP is the Compensation pin. OSC is the Oscillator pin.
SW is the Switch pin; FB is the FeedBack pin; OSC is the Oscillator pin.
SW pin is generally the output pin of the power switch, often connected to the IC internal MOThe Drain pole of S.
EN Enable pin, generally high level to make the chip work. VIN power input BS self-boosting pin, SW switch control pin FB output voltage feedback pin COMP comparator input N/C chip is not connected to the N SS power supply. The correct label should be Vin, V represents the voltage, in represents the input, so Vin represents the voltage input. Ref indicates the reference signal and EN indicates the enable signal.
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1, What is the meaning of power chip sw? SW is short for switch, which refers to the switch pin of the power chip. The power chip is the core of the power management of electronic devices, where the switch pin controls the high and low levels, thus switching the operating state of the device. The state of the SW pin directly affects the voltage output of the device, so the stability and efficiency of the power chip are related to the design of the SW pin.
2, SW is the Switch pin. FB is the FeedBack pin. COMP is compensation (Compensation) pin. OSC is the Oscillator pin.
3, the SW foot is generally the output foot of the power switch, often connected to the Drain pole of the MOS inside the IC.
4, SW Pin for the switch output pin, also called the pin, English called PIN. That is, from the internal circuit of the integrated circuit (chip) to the wiring of the peripheral circuit, all the pins constitute the interface of the chip. A section at the end of a lead that is soft brazed to form a solder joint with a pad on a printed board. Pins can be divided into heels (bottom), toe (toe), foot side (side) and other parts.
5, CS is Current sense (current detection, current sampling, current feedback); COMP is the Compensation pin; FB is Voltage feedback; GND indicates ground; SW is the Switch pin; FB is the FeedBack pin; OSC is the Oscillator pin.
6. Enable ENFoot, generally high level to make the chip work. VIN power input BS self-boosting pin, SW switch control pin FB output voltage feedback pin COMP comparator input N/C chip is not connected to the N SS power supply. The correct label should be Vin, V represents the voltage, in represents the input, so Vin represents the voltage input. Ref indicates the reference signal and EN indicates the enable signal.