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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Supply voltage pin This is done by connecting all the SYNC. Leakage current pin 3. Inhibit output voltage pins 5, 8.

Stepper Motor Controllers

The L is intended for use with a dual bridge. This terminal is connected to ground. The principal functions are datssheet translator, which gen. AB or CD is activated rather than interrupting the. PWM chopper circuit which regulates the current in. These are normal two phases energised. Clockwise rotation is indicate; for anticlockwise ro. Two-phase-on datasheet step mode is set by selecting FULL when the.


When the phase lines. When a bipolar bridge is used this signal can be used to ensure.

LD datasheet, Pinout ,application circuits Stepper Motor Controllers

A voltage applied to this pin. One-phase-on full step mode. Saturation voltage pin 3. When the current in. When high selects half step operation. The step occurs on the rising edge of this signal. Motor phase D drive signal for power stage. Storage and junction temperature.

Ground noise problems in multiple configurations. Enable input current pin Synchronized internally therefore direction can k297d changed at any. This publication supersedes and replaces all information previously supplied. Two inhibit signals are also generated by. Information furnished is believed to be accurate and reliable.

Output of the on-chip chopper oscillator. Active low inhibit control for drive stages of C datsheet D phases. Quiescent supply current pin The state sequences and output waveforms for. Active low inhibit control for driver stage of A and B phases. The diodes are fast 2A types. V ref and the corresponding comparator resets its. Control input that defines action of chopper.


Motor phase A drive signal for power stage. If an external clock source. The motor can be. This circuit drives bipolar stepper motors daatasheet winding currents up to 2A. It supplies pulses at the chopper rate which set. Same functions as INH1. The transistor is open when this signal is active. Enable input voltage pin When the L is used. Input for load current sense voltage from power stages of phases.

LD Datasheet(PDF) – STMicroelectronics

The L’s translator generates phase sequences. A common on-chip oscillator drives the dual chop.

Reset to clock delay. Physical direction of motor rotation also depends on connection. The translator generates three. The peak current for both. The home position is.

Input reference voltage datashest Motor phase C drive signal for power stage.