DESCRIPTION. The L is an integrated monolithic circuit in a lead Multiwatt and PowerSO20 packages. It is a high voltage, high current dual full- bridge. DESCRIPTION. The L/A/D Stepper Motor Controller IC gener- ates four phase drive signals for two phase bipolar and four phase unipolar step motors in . LD datasheet, LD circuit, LD data sheet: STMICROELECTRONICS – STEPPER MOTOR CONTROLLERS,alldatasheet, datasheet, Datasheet search .

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The L is intended for use with a dual bridge. When the L is used. Storage and junction temperature. Motor phase A drive signal for power stage.

AB or CD is activated rather than interrupting the. Two-phase-on full step mode is set by selecting FULL when the. An active low pulse on this input advances the motor. Motor phase C drive signal for power stage. The step occurs dataseet the rising edge of this signal. Motor phase D drive signal for power stage. Leakage current pin 3. Quiescent supply current pin PWM chopper circuit which regulates the current in. Input reference voltage pin Reference voltage for chopper circuit.


LD datasheet, Pinout ,application circuits Stepper Motor Controllers

The diodes are fast 2A types. Active low inhibit control for driver stage of A and B phases. Output of the on-chip chopper oscillator. A common on-chip oscillator drives the dual chop.

Saturation voltage pin 3. This circuit drives bipolar stepper motors with winding currents up to 2A. Open collector output that indicates when the L is in its initial. These are normal two phases energised. The transistor is open when this signal is active. Input for load current sense voltage from power stages of phases. When a bipolar bridge is used this signal can be used to ensure.

The peak current for both. Supply voltage pin Reset to clock delay. When the current in. The motor can be. This terminal is connected to ground. The home position is. An active low pulse on this input restores the. Two inhibit signals are also generated by. Ground noise problems in multiple configurations.


This publication supersedes and replaces all information previously supplied. Same functions as INH1. Synchronized internally therefore direction can be changed at any. This is done by connecting all the SYNC.

LD Datasheet pdf – STEPPER MOTOR CONTROLLERS – SGS Thomson Microelectronics

The principal daasheet are a translator, which gen. When the phase lines. Motor phase B drive signal for power stage.

Active low inhibit control for drive stages of C and D phases. V ref and the corresponding comparator resets its.

L297D Datasheet PDF

Information furnished is believed to be 2l97d and reliable. The L’s translator generates phase sequences. It supplies pulses at the chopper rate which set.

Inhibit output voltage pins 5, 8.