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SLA707XM Datasheet(PDF) 1 Page - Sanken electric |
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SLA707XM Datasheet(HTML) 1 Page - Sanken electric |
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1 / 20 page  2-Phase Unipolar Stepper Motor Driver SLA707xM Series February, 2006 . Sanken Electric Co.,Ltd. I03-004EA-060227 ■General Description Combining low-power CMOS logic with high-current, high-voltage power FET outputs, the Series SLA707xM translator/drivers provide complete control and drive for a two-phase unipolar stepper motor with internal fixed off time and pulse-width modulation (PWM) control of the output current in a power multi-chip module (PMCM™). There are no phase-sequence tables, high-frequency control lines, or complex interfaces to program. The CMOS logic section provides the sequencing logic, direction, control, synchronous/asynchronous PWM operation, and a "sleep" function. The minimum CLOCK input is an ideal fit for applications where a complex µP is unavailable or overburdened. TTL or LSTTL may require the use of appropriate pull-up resistors to ensure a proper input-logic high. For PWM current control, the maximum output current is determined by the user's selection of a reference voltage and sensing resistor. The NMOS outputs are capable of sinking up to 1, 1.5, 2, or 3 A (depending on device) and withstanding 46 V in the off state. Clamp diodes provide protection against inductive transients. Special power-up sequencing is not required. Full-,and Half-step operation are externally selectable for the SLA7070/71/72/73MR. Full-, Half-, quarter-, and eighth-, and sixteenth-step operation are externally selectable for the SLA7075/76/77/78MR. Half-step excitation alternates between the one-phase and two-phase modes (A-AB-B-AB-A-AB-BAB),providing an eight-step sequence. ■Package—SLA23Pin ■Applications ● PPC ● Printer ● OA Equipment ■Features ● To 3 A Output Rating ● Internal Sequencer for Microstepping Operation ● PWM Constant-Current Motor Drive ● Cost-Effective, Multi-Chip Solution ● 100 V, Avalanche-Rated NMOS Outputs ● Low RDS(on) NMOS Outputs (150 milliohms typical) ● Advanced, Improved Body Diodes ● Inputs Compatible with 3.3 V or 5 V Control Signals ● Sleep Mode ● Internal Clamp Diodes ■Key Specifications ● Motor Supply Voltage (VM): 44V max ● Load Supply Voltage (Vs): 10V to 44V ● Logic Supply Voltage (Vcc): 3V to 5.5V ● Output Current (Io): 1A(SLA7070MxRxx, SLA7075MxRxx) 1.5A(SLA7071MxRxx, SLA7076MxRxx) 2A(SLA7072MxRxx, SLA7077MxRxx) 3A(SLA7073MxRxx, SLA7078MxRxx) The x represents P, W, or R according to the functions (See App Note). ● Output Maximum Voltage (VDSS): 100V min Typical Connection SLA707xMR マイコン 等 VBB OutA OutA OutB OutB VDD Clock Sync CW/CCW Ref/Sleep1 SenseB SenseA Gnd r1 r2 Sleep Q1 ＋ ＋ CA CB ～ Vs=10V 44V ～ Vcc=3.0V 5.5V ﾛｼﾞｯｸGnd ﾊﾟﾜｰGnd 1点Gnd Reset M1 M2 M3 Mo N.C. C1 r3 C2 Logic Ground Power Ground Single Point Ground http://www.sanken-ele.co.jp/en/ 1/20 |
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