Maggie

Hi,glad to see your reply. A nice day.

Thanks a lot.

THB6128,THB7128,THB8128 produced by SANYO Semiconductor Co.Ltd of Japan, it is our newly key launched product. Now is enjoying good market in the world with high tech and quality, good reputation. THB6128 Development Specification Proposal 1. Application: PWM current control stepping motor driver 2. Package: MFP30KR 3. Features 1 channel PWM current control stepping motor driver BiCDMOS process IC Output on-resistance( High side 0.3 Ω, Low side 0.25 Ω, Total 0.55 Ω; Ta = 25°C, Io = 2.0 A) 2, 1-2, W1-2, 2W1-2, 4W1-2, 8W1-2, 16W1-2, 32W1-2 phase excitation are selectable Advance the excitation step with the only step signal input Available forward reverse control Iomax=2.2A Over current protection circuit Thermal shutdown circuit Input pull down resistance With reset pin and enable pin THB7128 Development Specification Proposal 1. Case Outline: 19 pins (See attached case outline dimensions.) 2. Function: PWM current control stepping motor driver 3. Application: Industrial equipment etc. 4. Features: *Output on-resistance (High side 0.3ohm, Low side 0.25ohm, Total 0.55ohm; Ta = 25℃, IO = 2.5A) *VMmax=40V(DC)，Iopmax=3.3A *2, 1-2, W1-2, 2W1-2, 4W1-2, 8W1-2, 16W1-2, 32W1-2 phase excitation are selectable *With built-in automatic half current maintenance energizing function *Over current protection circuit *Thermal shutdown circuit *Input pull down resistance *With reset pin and enable pin THB8128 Development Specification Proposal 1. Application: PWM current control stepping motor driver 2. Package: HZIP25 (See attached case outline dimensions.) 3. Features 1 channel PWM current control stepping motor driver BiCDMOS process IC Output on-resistance( High side 0.25 Ω, Low side 0.15 Ω, Total 0.40 Ω; Ta = 25°C, Io = 4.0 A) Selectable phase drive (1/2, 1/8, 1/16,1/32, 1/64，1/128， 1/10，1/20step) Advance the excitation step with the only step signal input Available forward reverse control Iomax=4.3A Over current protection circuit Thermal shutdown circuit Input pull down resistance With reset pin and enable pin Website:www.hhbytech.com/en/ Email:byds888@vip.sina.com THB6128 IC Instructions.pdf THB7128 Instructions.pdf THB8128 Instructions.pdf

The THB6064AH is a PWM chopper-type sinusoidal micro-step bipolar stepping motor driver IC. It supports 8 kind of excitation modes and forward/reverse mode and is capable of low-vibration, high-performance drive of 2-phase bipolar type stepping motors using only a clock signal. Website:www.hhbytech.com/en/ THB6064AH instructions.pdf Differences between THB6064H and THB6064AH.pdf

Hello,everyone! Could you please recommend a superior chip than A3977 for me ? I found A3977 is not fitbale for our project. Specifications: Selectable phase drive 1/40 or 1/64 step withstand voltage: 45 V current: I= 4.0 A Looking for your help. Thanks very much! helpme:

Hello,Everyone! I'm a new here.My name is Maggie.I choose to join this forum in order to make friends with all of you,and I hope learning more from you. Best regards. Sincerely