该IC最高能驱动500mA的负载，并能通过外部电阻来设定驱动电流的大小，内部具有保护电路，防止在过载情况下损坏设备：过热保护，短路保护，反极性保护(反向最高能承受45V的电压)，超温保护。该IC能具有PWM调光输入功能，可输入外部输入PWM调光脉冲信号，来 ...

Pulse width modulation is a form of signal communication that transposes a signal from analog to digital form. Analog signals with changing amplitude and frequency pass through a comparator and are ...

This is a simple and very effective project circuit which helps to control the speed of a DC motor using pwm and microcontroller. In many applications, it is important to control the speed of DC motor ...

Those following the ProtoStack tutorials will be happy to hear that there is a new installment which explains Pulse Width Modulation. If you’ve never heard of PWM before, it’s a method of generating a ...

This file type includes high resolution graphics and schematics when applicable. Sometimes a design needs more DACs than the mixed-signal microcontroller has available. An easy solution is to put in a ...

LCD circuits often require a –10V voltage at 2 to 15 mA to bias a graphics-LCD-driver IC. You can usually accomplish this task with an external charge-pump IC, such as Maxim’s ICL7660, but that ...

IRVINE, Calif.--(BUSINESS WIRE)--Toshiba America Electronic Components, Inc. (“Toshiba”) has launched the “TB67B000AHG,” a new three-phase brushless motor driver for home appliances such as ...

This file type includes high resolution graphics and schematics when applicable. This 8051 microcontroller-based control circuit adjusts the speed of a small permanent-magnet dc motor via photosensors ...

HOUSTON, Oct. 10, 2012 /PRNewswire/ -- Texas Instruments Incorporated (TI) (NASDAQ: TXN) announces 12 new Hercules™ TMS570 ARM ® Cortex ™-R4 safety microcontrollers, complementary TPS65831-Q1 ...