1, ULN2003 Lm298 TA8435 TB6560 These can satisfy your 2-phase 4-wire motor.
2, ULN2003, ULN2803 can not drive 2 phase 4 line stepper motor (4 phase 5 line, 4 phase 6 line, 4 phase 8 line can be driven) ULN2003, can only be injected into it current, the output is high resistance state, zhi basically no output current. It's usually used to absorb electricity.
3. Four-wire to the full bridge circuit to drive, you have to choose 5 or 6 or 8 wire current is not more than 100 MA stepper motor, you can have this experimentCan be successful once, otherwise you have to take many detours. What does
Then divorce is the only way. Divorce has nothing to go directly to court. Or talk to your wife first. It means you want a divorce because your mother-in-law is too involved. Two people can reach an agreement to sign a divorce agreement and go to the civil Affairs Bureau to get a divorce. If you can't reach an agreement, go to court. The fee is only $50 and the court will grant a divorce.
What doesa3983 mean? a3983It is a kind of motor driver chip, which is a kind of high-precision bipolar stepper motor driver produced by Allegro Company, which can meet a variety of different application requirements. The a3983 chip is mainly used for motor control needs in the fields of stage lighting, transit systems, industrial automation, 3D printing, medical equipment and large leveling machines.
1, in fact, THB series stepper motor drive chip users are not very strange, such as the previous stage of production using HZIP25-P-27 package of THB6016 and THB6064 chips, especially THB6064 with high current and high subdivision characteristics is more suitable for users of DIY and use, its common characteristics are simple peripheral circuit, high integration of chip functions, complete protection functions, large package, suitable for users of DIY. But at the same time, there are disadvantages of large size.
2, there are many special chips for stepper motors, and it is difficult to have a good and bad conclusion. But you want a wide range, should set a range of others to recommend. Such as: drive mode; (full bridge drive or single drive) drive voltage; actuateElectricity; Resolution; (subdivision requirements) Maximum speed; There are phases of the motor, etc., without a general range, it is difficult for anyone to give you a satisfactory answer.
3, in which the north Bridge chip plays a leading role, also known as the Host Bridge.
4, I am currently using THB6128 to do some products, today I also checked the THB6128 datasheet this chip is very good.
5, according to the number of phases to distinguish, there are two phases, three phases, five phases according to the drive mode to distinguish, there are two kinds of single-pole drive and bipolar drived=' Help to recommend a stepper motor driver chip '> Help to recommend a stepper motor driver chip
Two-phase 4-wire stepper motor, can only use LM298, ULN2803 and ULN2003 are NPN Darlington tube, 1 chip can not form H bridge. Or use high-power triode to build 2H bridge to drive can also be. I didn't use the chip, but without the subdivision, the motor is shaky.
See how big the motor is driven, if the motor working current is about 100mA, you can consider using 2003, if the current comparison considers other special coresPieces.
With L298 alone, it is best to do the whole step and half step control. PWM can be used to adjust the speed of the DC motor. The L298 is a very good drive chip. LZ to do precision control, or choose a more advanced chip ah, because L298 is an economic chip. I use it when the accuracy is not high, but when the requirements are high, I use the off-the-shelf stepper drive.
Phase 4-wire micro stepping motor driver chip: 16-pin dual in-line. The relevant information can be searched on Baidu.
What type of stepper motor do you use, if it is 339 or 42 small step motor, you can drive EZM322, its largest subdivision can be 512 subdivision, that is, each turn needs to control the pulse 512*200=102400 pulses, which can be small in very low speed conditions, stepper operation is very smooth, There is no vibration and pulsation.
ULN2003 Lm298 TA8435 TB6560 These areCan satisfy your 2-phase 4-wire motor.
Motor driver chip is a chip integrated with CMOS control circuit and DMOS power device, which can be used to form a complete motion control system with the main processor, motor and incremental encoder. It can be used to drive inductive loads such as DC motors, stepper motors and relays.
ULN2003, ULN2803 can not drive 2 phase 4 line stepper motor (4 phase 5 line, 4 phase 6 line, 4 phase 8 line can be driven) ULN2003, can only be injected into it current, the output is high resistance state, zhi basically no outputElectricity. It's usually used to absorb electricity.
According to your description, it is best to choose the driver with its own control pulse such as EZD552, the MCU only needs to provide two control IO signals (start and stop signals and direction signals) to achieve motor acceleration and deceleration, speed can be adjusted according to application requirements through the potentiometer, and can protect the motor operating limit.
This is a type 35 stepper motor
Stepper motor generally can not be directly driven by single-chip microcomputer, the reason is that single-chip microcomputer port driveNot enough motor power. It is not necessary to use a dedicated driver to do current and/or voltage expansion according to the specific parameters of the stepper motor used.
If 2 phase five or six lines of the general use of ULN2003 can be. The driving current is generally about 500mA. If the two phase four wire, with L298, it can also drive two phase five or six wire. The driving current is generally less than 2A, and it is best to apply below 5A. And you need heat sinks. Or build a H-bridge circuit with a larger power transistor as a driver. The specific power of the triode depends on the type of your stepper motorNumber.
What type of stepper motor do you use, if it is 339 or 42 small step motor, you can drive EZM322, its largest subdivision can be 512 subdivision, that is, each turn needs to control the pulse 512*200=102400 pulses, which can be small in very low speed conditions, stepper operation is very smooth, There is no vibration and pulsation.
If the bridge drive mode is used to drive the two-phase four-wire stepper motor, the drive voltage of the bridge should be very high (Vgs), and the output voltage of the MCU cannot open the bridge circuit, if it is necessary to subdivide and overcurrent protectionProtection, thermal protection, half-current and other functions that its supporting circuit or single-chip computer program and internal calculation are also very complicated. Stepper motor special chips are generally fully functional, and many also have limited current function (or constant current).