M51957B

French Electronic Distributor since 1988
7,273 Effective Inventory

M51957B

Effective Inventory7,273

French Electronic Distributor since 1988

Quality Assurance

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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Tape and Reel

Cut Tape

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Tube or Tray

Tube or Tray

M51957B DataSheet
no-price

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for M51957B or email to us: Email: [email protected], we will contact you in 12 hours.

Details

M51957A,B/M51958A,B are semiconductor integrated circuits for resetting of all types of logic circuits such as CPUs, and has the feature of setting the detection voltage by adding external resistance. They include a built-in delay circuit to provide the desired retardation time simply by adding an external capacitor. They fined extensive applications, including battery checking circuit, level detecting circuit and waveform shaping circuit.Recommended Operating Condition Supply voltage range: 2 V to 17 V

M51957B

Key Features

  • Few external parts
  • Large delay time with a capacitor of small capacitance (td ≈ 100 ms, at 0.33 µF) (M51957, M51958)
  • Low threshold operating voltage (Supply voltage to keep low-state at low supply voltage): 0.6 V (Typ) at RL = 22 kΩ
  • Wide supply voltage range: 2 V to 17 V
  • Wide application range

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer Mitsubishi Product Category ! Supervisors

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification M51957B PDF Download

FAQs

What is M51957B?

The M51957B is a stepper motor driver IC designed for controlling and driving bipolar stepper motors. It is commonly used in various applications such as robotics, 3D printers, CNC machines, and other automated systems requiring precise motor control.

How Does M51957B Work?

The M51957B works by receiving control signals from a microcontroller or a control system and converting these signals into the appropriate current levels to drive the stepper motor. It provides full, half, and micro-step driving options, allowing for fine control of the motor's rotational movement.

How Many Pins does M51957B have and What are the Functions of the Pinout Configuration?

The M51957B is housed in a multiwatt 15 package. The pinout configuration includes:

  • VMM: Motor power supply voltage.
  • VMH: Motor power supply voltage high-side.
  • VMC: Motor power supply voltage center tap.
  • VML: Motor power supply voltage low-side.
  • GND: Ground reference.
  • I1, I2: Phase control input for motor winding 1.
  • I3, I4: Phase control input for motor winding 2.
  • STP, NEXT: Control inputs for stepping mode selection.

What are the Pros and Cons of M51957B?

Pros:

  • Precise Control: Provides precise control over bipolar stepper motors.
  • Multiple Step Options: Offers full, half, and micro-step driving modes for varied application requirements.
  • Thermal Shutdown Protection: Includes thermal shutdown protection for overtemperature conditions.
  • Simple Interface: Can be easily interfaced with microcontrollers and control systems.
  • Compact Package: The multiwatt 15 package is space-efficient, suitable for small designs.

Cons:

  • External Components: May require additional external components such as diodes and capacitors for optimal operation.
  • Complexity: Stepper motor control may require understanding of motor characteristics and driving waveforms.

Are There Any Equivalents/Alternatives to M51957B for Recommendation?

  • The L297 and L298 combination from STMicroelectronics is a popular alternative for driving bipolar stepper motors.
  • Alternative stepper motor driver ICs include the DRV8825 from Texas Instruments and the A4988 from Allegro Microsystems.

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