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SLA7073MR Arkusz danych(PDF) 1 Page - Sanken electric |
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1 / 2 page 94 ICs 1-2-1 2-Phase Stepper Motor Unipolar Driver ICs 2-Phase/1-2 Phase Excitation Support, Built-in Sequencer SLA7070MR, MPR, MPRT/7071MR, MPR, MPRT/7072MR, MPR, MPRT/7073MR, MPR, MPRT ■Absolute Maximum Ratings Parameter Symbol Ratings Unit Remarks Motor Supply Voltage VM 46 V Driver Supply Voltage VBB 46 V Logic Supply Voltage VDD 6V Output Current Io *1 A Mode F Logic Input Voltage VIN –0.3 to VDD+0.3 V REF Input Voltage VREF –0.3 to VDD+0.3 V Sense Voltage VRS ±2V Excluding tw<1µs Power Dissipation PD 4.7 W When Ta = 25°C 17 When Tc = 25°C Junction Temperature Tj +150 °C Operating Ambient Temperature Ta –20 to +85 °C Storage Temperature Tstg –30 to +150 °C ■Features • Lineup of built-in current sense resistor and built-in protection circuit-type • Power supply voltages, VBB: 46 V (max), 10 to 44 V normal operating range • Logic supply voltages, VDD: 3.0 to 5.5 V • Maximum output currents: 1 A, 1.5 A, 2 A, and 3 A • Built-in sequencer • Self-excitation PWM current control with fixed off-time • Synchronous PWM chopping function prevents motor noise in Hold mode • Sleep mode for reducing the IC input current in stand-by state • ZIP type 23-pin molded package (SLA package) *1: Output current value may be limited for the SLA7070MR, MPR, MPRT (1.0 A), SLA7071MR, MPR, MPRT (1.5 A), SLA7072MR, MPR, MPRT (2.0 A), and SA7073MR, MPR, MPRT (3.0 A), depending on the duty ratio, ambient temperature, and heating conditions. Be sure that junction temperature of Tj is not exceeded under any circumstances. ■Recommended Operating Conditions Parameter Motor Supply Voltage Driver Supply Voltage Logic Supply Voltage Case Temperature Symbol VM VBB VDD TC Unit V V V °C Rating min. max. 44 10 44 3.0 5.5 90 Remarks The VDD surge voltage should be 0.5 V or lower Temperature at Pin-12 Lead (without heatsink) Parameter Symbol Unit Ratings min. max. 15 100 5 0.85 0.6 0.4 0.24 1.1 1.25 1.2 2.1 0.25VDD 0.3 0.45 0.4 0.45 VDD 0.314 0.314 0.211 0.160 0.75 1.25 1.25 IBB IBBS IDD V(BR)DSS RDS(ON) VF Fclock VIL VIH IIL IIH VREF VREFS IREF VSENSE TSE tcon tcoff RS Vocp Iocp Ttsd VFlagL VFlagH IFlagL IFlagH ModeF Mode8 ton(min) toff Main Supply Current Logic Supply Current Output MOSFET Breakdown Voltage Output MOSFET ON Resistance Output MOSFET Diode Forward Voltage Maximum Clock Frequency Logic Input Voltage Logic Input Current REF Input Voltage REF Input Current Sense Voltage Sleep-Enable Recovery Time Switching Time Sense Resistance Overcurrent Sense Voltage Overcurrent Sense Current Thermal Protection Temperature Flag Output Voltage Flag Output Current Step Reference Current Ratio PWM Minimum ON Time PWM OFF Time 100 250 0.75VDD 0.04 0.04 0.04 0.04 2 100 0.296 0.296 0.199 0.150 0.65 1.25–VDD –1.25 typ. 0.7 0.45 0.25 0.18 0.85 1.0 0.95 0.95 ±1 ±1 ±10 VREF 2.0 1.5 0.305 0.305 0.205 0.155 0.7 2.3 3.5 4.6 140 100 70.7 3.2 12 Conditions In operation Sleep 1 and Sleep 2 modes VBB=44V, ID=1mA SLA7070M, ID=1.0A SLA7071M, ID=1.5A SLA7072M, ID=2.0A SLA7073M, ID=3.0A SLA7070M, ID=1.0A SLA7071M, ID=1.5A SLA7072M, ID=2.0A SLA7073M, ID=3.0A When Clock Duty = 50% SLA7070M, within the current setting range SLA7071M, within the current setting range SLA7072M, within the current setting range SLA7073M, within the current setting range Output OFF (Sleep 1) When step reference current ratio is 100% Sleep1&Sleep2 Clock → Out ON Clock → Out OFF SLA7070M, tolerance of ±3% SLA7071M, tolerance of ±3% SLA7072M, tolerance of ±3% SLA7073M, tolerance of ±3% SLA7070xMPR, MPRT, when motor coil shorts out SLA7070MPR, MPRT/7071MPR, MPRT SLA7072MPR, MPRT SLA7073MPR, MPRT SLA707xMPRT, Rear of case (at the saturation temperature) SLA707xMPR, MPRT, IFlagL=1.25mA SLA707xMPR, MPRT, IFlagH=–1.25mA SLA707xMPR, MPRT mA µA mA V Ω V kHz V µA V µA V µS µS µS Ω V A °C V mA % % µs µs * The direction in which current flows out of the device is regarded as negative. ■Electrical Characteristics |
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