Product Information

EVAL-L9942

EVAL-L9942 electronic component of STMicroelectronics

Datasheet
Power Management IC Development Tools L9942XP Microstep Motor Driver Eval

Manufacturer: STMicroelectronics
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1: USD 68.7196 ea
Line Total: USD 68.72

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MOQ: 1  Multiples: 1
Pack Size: 1
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EVAL-L9942
STMicroelectronics

1 : USD 68.7196

     
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EVAL-L9942 EVAL-L9942 Data brief 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 Features long time in stall position minimizing the noise. Input signal connector compatible with the The EVAL-L9942 board provides all the inputs SPC56 Discovery boards. Possibility to and outputs capabilities necessary to drive connect the board to further microcontroller correctly a bipolar stepper motor and also to discovery or control boards by a simple monitoring diagnostic functionalities. The board adaptor. can be connected to the discovery boards Two output terminal blocks. developed for the SPC56 microcontroller. Wide supply voltage range (V ): 7 V 20 Batt Table 1: Device summary V. Order code Reference 2 LEDs for monitoring V and EN signal. Batt Device controlled and programmed via SPI. EVAL-L9942 EVAL-L9942 evaluation board 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 March 2015 DocID025658 Rev 2 1/5 www.st.com For further information contact your local STMicroelectronics sales office Contents EVAL-L9942 Contents 1 System requirements, HW and SW resources .............................. 3 1.1 System requirements ........................................................................ 3 2 Revision history .............................................................................. 4 2/5 DocID025658 Rev 2

Tariff Desc

8543.70.00 Other machines and apparatus Free
13 Signal processors (graphic equalisers, crossovers etc.) 91 Other Free

9027.10.00 Instruments and apparatus for physical or chemical analysis (eg, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes Free

9031.80.00 MEASURING OR CHECKING INSTRUMENTS, APPLIANCES AND MACHINES, NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER; PROFILE PROJECTORS Other instruments, appliances and machines Free

9030.31.00 Oscilloscopes, spectrum analysers and other instruments and apparatus for measuring or checking electrical quantities, excluding meters of 9028; instruments and apparatus for measuring or detecting alpha, beta, gamma, x-ray, cosmic or other ionising radiations.
Other instruments and apparatus, for measuring or checking voltage, current, resistance or power Multimeters without a recording device Free

8473.30.00 Parts and accessories of the machines of 8471 AUTOMATIC DATA PROCESSING MACHINES AND UNITS THEREOF; MAGNETIC OR OPTICAL READERS, MACHINES FOR TRANSCRIBING DATA ONTO DATA MEDIA IN CODED FORM AND MACHINES FOR PROCESSING SUCH DATA, NOT ELSEWHERE SPECIFIED OR INCLUDED:
.Other 71 No Weighing less than 1kg Free

8537 BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF 8517:
8538 PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF 8535, 8536 OR 8537:
8538.10.10 22 For programmable controllers Free
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