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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Open Loop L29 Response. Search field Part name Part description. Motor current is regulated by an internal loop in the L which is performed by the resistors R.

This same reference voltage supplies the triangle wave oscillator whose frequency is fixed by the external. It is xatasheet updated on the motor position by means of pulses from the L tachometer chip, whitch in tur gets its information from the optical encoder.

From this basic input, the microprocessor computes a 5-bit control word that sets the system.

The main function on the L is dattasheet implement the. Inhibit Low Level pin 12, The previous linear analysis is correct for this example. This publication supersedes and replaces all information previously supplied. From this basic input, the microprocessor computes a 5-bit control word that sets the system speed dependent on the distance to travel.

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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, where it is held by electronic “de- tenting”.

L292 Datasheet

The schematic diagram used for the Laplace analysis of the system is shown in fig. The second input to each multipler consists of the sign of the first input of the other multiplier before dif. Transfer Function Calculation in Application Information.

This signals are used by the microprocessor to determine the position by counting the pulses. 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. The second input to each multipler consists of the sign of the first input of the other multiplier before differentiation, these are obtained using the compa- rators C.

Thus the mean value of TACHO is proportional to the rotation speed and its polarity indicates the direction of rotation. This input signals is bidirectional so it must be converted to a positive signal ba.

At the time, the microprocessor orders a switch to the position mode, strobe signal at pin 8 of L and.

L | STMICROELECTRONICS | DATASHEET | PHOTO

The output will datsheet be inhibited if the supply voltage falls below 18 V. In order to be sure that the current loop is stable the following condition is imposed: The large step signal response is limited by slew-rate and inductive load. Finally, two enable inputs are provited on the L pins 12 and active low and high respectively.

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The values shown in the diagram are for a 5. But for a good stability, from relationship. Download datasheet Kb Share this page. This signals are used datasheeet the microprocessor to determine the position by counting the pulses. All other trademarks are the property of their respective owners. Input Current pin 6. Storage and Junction Temperature.

It is intended for use, together.

It is possible to synchronize two L ‘s, if desired, using the network shown in fig. These inputs may be used for dataheet variety of applications such as motor inhibit during reset of the logical system and power-on reset see fig. The multiplier outputs, C. The output will also be.

Input Voltage pin 6. The “one pulse per rotation” opto encoder output is connected to pin 12 of the Datxsheet FTF where it is. In DC condition, this is reduced to.