太龙电子股份
股票代码:300650
In recent years, the popularity of USB type-C interface has brought revolutionary changes to mobile phone fast charging. The charging capacity of various high-power switching and switched capacitor charging management chips has been rapidly improved, and the power of mobile phone adapter has developed from 5W, 10W and 18W to 30W, 40W, 65W and even 120W. The pleasure brought by fast charging is deeply loved by users. Low price and high configuration has become the development trend of the industry. It is imperative to configure fast charging for medium and low-end mobile phones. At the same time, with the development of fast charging, the cost of adapter has been greatly reduced. Today, 5V / 3a and 5V / 4A output adapters can be seen everywhere in major e-commerce platforms. The trend of low price and high configuration and the continuous popularization of low-voltage and high current adapters provide a broad space for the fast charging chip sgm41509 with low price and high efficiency.
Multi port PD fast charging has multiple output ports, which can charge mobile phones and notebooks at the same time. It is very popular in the market. However, in the current 100W fast charging, a single interface can output 100W. After connecting other interfaces, the output power will be reduced to 65W or 45W, which will soon affect the fast charging experience. Aiming at the problem of 100W fast charging and speed reduction, innosecco has launched a 200W gallium nitride 3c2a multi port fast charging reference design with high power density, which supports power blind insertion. When double C-Port output, it can output 100W full power without affecting the fast charging experience. When three C-Ports output at the same time, it is 100W + 45W + 45W, ensuring that one C-Port can output full power, While ensuring the use experience, it can also charge the connected equipment as high as possible.
Scheme features:
Proximity:
*16 bit solution for proximity;
*The built-in LED driver can be configured flexibly
—LED turn-on time : 7 steps IT
—LED current : 3.125 / 6.25 / 12.5 / 25 / 50 /75 / 100 /125 / 150 / 175 / 200 mA
*Flexible interrupt mode:
—Several interrupt modes meet application requirements
—Flag modes are included
—Persistence : 1/2/4/8 times
*Low noise
*High ambient light suppression
*940nm for stk33562
Ambient Light Sensor
*16 bit scheme for ambient light detection
*The third generation ambient light sensor turns off the response of human eyes and suppresses the infrared line spectrum
*Flexible digital settings:
– Integration time : 7 steps IT
*Flexible interrupt mode:
– Interrupt while out-of- window
– Persistence : 1/2/4/8 times
With FIFO scheme: stk8321
*Low voltage operation:
- power supply voltage: 1.7V ~ 3.6V
- input / output voltage range: 1.62V ~ 3.6V
*± 2G / ± 4G ± / 8g range selection
*I2C communication
*3-wire & 4-wire SPI communication
*2-way physical interrupt
*Low noise
*12bit output
*10000g high impact survivability
*On chip interrupt controller, motion trigger is used for interrupt signal generation
- new data
- any motion (slope) detection
- Major Sports
*On chip FIFO, integrated 32 frame FIFO buffer
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