Main body different l293d motor driver chips : support Vcc 5~36V motor driver chips micro motor drive integrated circuit chip. l298n: is a double H-bridge motor driver chip. Support current different l293d: Support Vcc 5~36V motor driver chip What , the maximum output current is 1A. l298n: Each H bridge can provide 2A current, the power part of the supply voltage range is 5-48v, the logic part of the 5v supply, accept 5vTTL level.
The difference between the l293d motor drive module and l298n is: the chip is different, the output current is different, and the optocoupler is different. Chip Different l293d motor drive module: The chip of the l293d motor drive module is a stepper motor drive chip. l298n motor drive module: The chip of the l298n motor drive module is the H-bridge drive integrated circuit chip.
L293D peak output current of each channel up to 2A L298N Operating voltage 8-46 V Output current 2A Do not know what you want to drive Motor driver chip? If you have two 130 motors, you can use the L293D.
L298 is just two H-bridges with power output (and interlocking circuits, of course), and the voltage of what time series and what duty cycle are loaded on the motor is determined by the driver. Besides, the 5V you said is not measured by a multimeter, if it is a multimeter, it is only a valid value. If you want to dig deeper, use an oscilloscope and replace the motor coil with a resistor.
PWM speed regulation system main circuit line is simple, less power components, high switching frequency, the control level can reach 4000Hz from 1000Hz, the motor current is continuous, low speed performance is good, less harmonics, high steady state accuracy, small pulsation, loss andThe heating is small, the speed regulation range is wide, the frequency band of the speed regulation system is wide, the fast response is good, and the dynamic anti-interference ability is strong.
The L298N motor driver module is an integrated circuit commonly used to drive DC motors and stepper motors. It contains four logic drive circuits, which can accept standard TTL logic level signals to control the forward and reverse rotation and stop of the motor. The L298N drive module has the output capability of high voltage and high current, which can drive the motor directly and control the speed of the motor through PWM signal.
Driver chip PC923 9C929 PC3120 PC3150 PC4050 PC316 driver chip is mostly optocoupler also has integrated block IC2133, IC2233, these can be used for small power inverter, high power is basically PC. The inverter uses frequency conversion technology and microelectronics technology to control the power control equipment of AC motor by changing the working power frequency of the motor.
Infineon IGBT7 chip. Huichuan is at the forefront of using IGBT7At the end, in order to improve the overall performance of the inverter, IGBT7 with its high junction temperature, high power density and other technical advantages, so that the inverter performance is improved, the size is smaller, more to meet the diversified needs of customers.
STC89C52RC: This is a 51 series single-chip microcomputer, often used to control the logic control circuit inside the inverter. STTH2002CT: This is a high voltage fast recovery diode, mainly responsible for the smooth capacitor charge and discharge of the rectifier module output. TL494CN: This is a PWM control chip, often used to control the modulation of the output waveform of the inverter. IRGP4063D: This is an IGBT tube, suitable for the control of the high voltage section of the inverter.
The IGBT circuit is responsible for the power output of the inverter. Usually includes IGBT module and IGBT trigger circuit and current feedback element. Trigger circuit includes isolation transformer, rectifier diode, optocoupler isolation chip, according to the use of IGBT module model, some need to use a matching trigger driver chip and protection circuit. < / p > < p > ETC721371ETC710821ETC721372ETC710822. Through Yaskawa inverter use guide query thatIn June 2023, yaskawa inverter drive power supply chip is ETC721371ETC710821ETC721372ETC710822. Yaskawa inverter full name "Yaskawa AC frequency conversion governor", mainly used for three-phase asynchronous AC motor, used to control and adjust the motor speed.
1, TA8428K should be enough, but this is to drive two motors.
2, the current more suitable coreI looked for IR2110/IR2103, which is about the same, and MC3303MC3303LMD18200.
3, LM298 is not good, the continuous current can only reach 2A, and it is in the case of ensuring heat dissipation.
4, MC33030: H bridge, 36V, 1A; L292: H Bridge, 18~36V, 2A.
5, under normal circumstances, low-voltage inverters use MOS better, MOS for low voltage applications more, more models, the on-voltage drop will be relatively low. IGBT mainFor applications with relatively high voltage levels. Parameter selection, the pressure level of the pipe, considering the reverse overshoot of the pipe when the motor is controlled, its pressure level should be more than 2 times that of the power supply.
2, the most used H-bridge driver chip: L928N, this chip is very simple, very cheap, and easy to buy, a chip inside the integration of 2 H-bridge circuit, but also with PWM control and current acquisition. The motor driver chip is integrated with CMOS controlThe chip of the circuit and DMOS power device can be used to form a complete motion control system with the main processor, motor and incremental encoder.
3, v DC motor drive, current less than 3A can use l298N, current less than 43A can use BTS7960. The L298N chip is equipped with dual H-bridge motor drivers, each H-bridge can provide 2A current, the power supply voltage range is 5-48v in the power supply part, the logic part is 5v power supply, and accepts 5vTTL levels. Under normal circumstances, the voltage of the power supply part should be greater than 6V, otherwise the chip may not be positiveWork often.
4, with the transistor, or MOS tube, mainly depends on the size of the working current, or the size of the power. If the power is very small, you can also use the chip, but you can not use ordinary logic chips, such as 74 series chips are generally not available, you can use a power driver chip like ULN2003, of course, the premise is that the drive power is enough.
5, TA8428K should be enough, but this is to drive two motors.
6, safety: choose a DC motor with anti-reverse circuit, overcurrent, overvoltage protection and other safety functionsDrive to ensure that the system can operate safely. Cost-effective: Based on the above considerations, choose the right DC motor driver in a balance between performance and price. In short, choosing the right DC motor driver needs to be considered and measured according to the specific application requirements, motor parameters, control mode, software interface, safety, cost performance and other aspects.
PIC microcontroller, AVR microcontroller, etc. According to the inquiry of electronic enthusiasts, the common single-chip synchronous control chip categories arePIC microcontroller, AVR microcontroller, ARM microcontroller, STM32 microcontroller, 51 microcontroller and so on.
PLC: can also be called programmable logic controller, is a digital electronic device with a microprocessor, used for automatic control of digital logic controller, control instructions can be loaded at any time memory storage and execution. Embedded arm: refers to a class of microprocessors collectively.
There are many kinds of single-chip computers, and there are 5ARM and so on. If you are used to 51 microcontroller programming, you can try 89C2051 this microcontroller, it is 89The stripped-down version of the C51, with only 20 feet, is programmed almost the same as the regular 51, as long as you are careful not to access the IO port that is not in the 2051. The PIC microcontroller also has a more streamlined model with only 8 pins.
Can use a dedicated DAC chip, GP8202 can achieve I2C output, 4-20mA output, very simple. < / p > < p > TL494 (16 feet), TL594 (16 feet), TL5001 (8 feet), UC184UC184UC184UC284UC284UC284UC384