EVAL-L9942

Active

Evaluation board for L9942XP microstepping fully integrated motor driver

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Product overview

Description

The EVAL-L9942 is the Evaluation Board designed to provide the user a platform to evaluate the device L9942. The L9942 is a motor driver for bipolar stepper motors with micro-stepping and programmable current profile look-up-table to allow a flexible adaptation of the motor characteristics and intended operating conditions.
Different current profiles can be chosen depending on target criteria: audible noise, vibrations, rotation speed or torque.
The decay mode used in PWM-current control circuit can be programmed to have slow, fast, mixed and auto-decay.
The programmable stall detection is useful to avoid running the motor too long time in stall position minimizing the noise.
The EVAL-L9942 board provides all the inputs and outputs capabilities necessary to drive correctly a bipolar stepper motor and also to monitoring diagnostic functionalities.
The board can be connected to the discovery boards developed for the SPC56 microcontroller.
  • All features

    • Input signal connector compatible with the SPC56 Discovery boards. Possibility to connect the board to further microcontroller discovery or control boards by a simple adaptor.
    • Two output terminal blocks.
    • Wide supply voltage range (VBatt): 7 V ÷ 20 V.
    • 2 LEDs for monitoring VBattand EN signal.
    • Device controlled and programmed via SPI.
    • L9942 diagnostic functions via SPI.
    • Test points to monitoring both input signals (SPI, PWM, EN, StepClock) and the four outputs (out power stage).
    • No heat-sink is required

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All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      STSW-L9942

      Active

      EVAL-L9942 Graphical User Interface

      Evaluation Tool Software ST
      STSW-L9942

      Description:

      EVAL-L9942 Graphical User Interface

Quality and Reliability

Part Number Marketing Status RoHS Compliance Grade WEEE Compliant Material Declaration**
EVAL-L9942
Active
Not compliant -

EVAL-L9942

Package:

Not compliant

Material Declaration**:

Marketing Status

Active

RoHS Compliance Grade

Not compliant

WEEE Compliant

-

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Core Product
Marketing Status
Supplier
ECCN (US)
ECCN (EU)
Country of Origin
Budgetary Price (US$)*/Qty
EVAL-L9942 No availability of distributors reported, please contact our sales office L9942XP
Active
- EAR99 NEC ITALY 64.7 / 1

EVAL-L9942

Core Product

L9942XP

Marketing Status

Active

Budgetary Price (US$)*/Qty

64.7 / 1

Supplier

-

ECCN (US)

EAR99

ECCN (EU)

NEC

Budgetary Price (US$)* / Qty

64.7 / 1

Country of Origin

ITALY

(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors