L292 DATASHEET PDF

L Switch Mode Driver for DC Motors Data Sheet · DRIVERS POUR MOTEUR DC. Legislation and Compliance. RoHS Certificate of Compliance. Statement of. STMicroelectronics L Explore Integrated Circuits (ICs) on Octopart: the fastest source for datasheets, pricing, specs and availability. L Switch-mode Driver For DC Motors. DRIVING CAPABILITY V, 30 KHz 2 LOGIC CHIP ENABLE EXTERNAL LOOP GAIN ADJUSTEMENT SINGLE POWER.

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At the time, the microprocessor orders a switch to the position mode, strobe signal at pin 8 of L and within 3 to 4 ms the L drives the motor to a null position, dataheet it is held by electronic “de- tenting”.

The system operates in two modes to achieve high speed, high-accurancy positioning. Input Current pin 6.

The second input to each multipler daatsheet of the sign of the first input of the other multiplier before dif. Specifications mentioned in this publication are subject. Storage and Junction Temperature. The transfer function is then. The error signal obtained by the addition of the input and the current feedback signals pin 7 is used to pulse width modulate the oscillator signal by means of the comparator.

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A maxi- mum speed is reached, the tachometer chip output backs off the processor signal thus reducing accel- ering torque. STMicroelectronics products are not. The main function on the L is to implement the. Motor current is regulated by an internal loop in the L which is performed by the resistors R18, R This can be foud from: The enable inputs were implemented in this way because they are intended to be driven directly by a mi.

The braking is applied pro. This publication supersedes and replaces all information previously supplied. This signals are used by the microprocessor to determine the position by counting the pulses.

L STMicroelectronics, L Datasheet

The interval between one side of the bridge switch- ing off and the other switching on. The schematic diagram used for the Laplace analysis of the system is shown in fig. As the target position is approached, the microproc- essor lowers the value of the speed-demand word; this reduces the voltage at the main summing point, in effect braking the motor.

Datasheey commands for the system originate in the microprocessor.

L292 Datasheet PDF

The choise datasehet the external components in these RC network pins 5, 7, 9 is determined by the motor type and the bandwidth requirements. It is continuosly updated on the motor.

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C 17 in the diagram. Total Power Dissipation T.

L | STMICROELECTRONICS | DATASHEET | PHOTO

When the motor is stopped and the microprocessor orders it to a new positio, the system operates initially in an open-loop configuration as there is no feedback from the tachometer generator. The motor continues to run at rop speed but under closed-loop control. Thus the output satasheet may be inhibited by taking pin 12 high or by taking pin 13 low. It is intended for use, together. The oscillator determines the switching frequency of the output stage and should be in the range 1 to 30 KHz.

This input signals is bidirectional so it must be converted to a positive signal bacause the L uses a single supply voltage. Input Offset Voltage pin 6.

The L internal reference voltage is also derived from V. The motor continues to run at rop speed but under closed-loop control. Download datasheet Kb Share this page. The optical encoder also provides an out. The output will also be.