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Technical content

External Dimensions (unit: mm)Features

  • Low output saturation voltage (high-side: 1.5V max.; low-side: 0.8V max.)
  • Built-in recovery diode
  • Built-in standby function
  • Built-in overcurrent and thermal protection circuits and low voltage input shutoff function
  • Built-in overload and disconnection detection function 2-ph Stepper-motor Driver ICs SPF7211 1.0 10.5±0.3 +0.1 –0.05 0.25 +0.15 – 0.05 Fin thickness 2.5±0.2 17.28±0.2 7.5±0.2 2±0.2 15.58±0.2 1.27±0.25 11 2 0.4 +0.15 – 0.05 a b Parameter Symbol Unit Remarks Ratings Absolute Maximum Ratings Recommended Operation Range

Electrical Characteristics

Parameter Symbol min typ max Unit ConditionsRatings Main power supply voltage Input voltage Output current Flag terminal withstand voltage Flag terminal current Detect voltage Power dissipation Junction temperature Operating temperature Storage temperature Main power supply current Low voltage protection operation voltage UVLO hysteresis voltage Output leak current Output saturation voltage Recovery diode forward voltage Input voltageInput terminal Hysteresis voltage Ph terminal Input current Ixx, Set terminals Input current Detect voltage Oscillation frequency PWM frequency Ct terminal threshold voltage Ct terminal current Overcurrent detection voltage Open detection voltage Flag terminal leak current Flag terminal saturation voltage Flag terminal current Set terminal Pulse rate Pulse number OCP operation Open operation I/O propagation time Thermal protection temperature Thermal protection hysteresis Thermal alarm temperature Thermal alarm hysteresis V BB VIN Io IoPeak VFlag IFlag VRs PD Tj Top Tstg –0.3 to 15 ±0.8 ±1.0 –2 to 2 4.1 150 –40 to 110 –40 to 150 I BB IBBS VUVLO VUVLOhys IoleakL IoleakH VsatL VsatH VFL VFH VFGO VIL VIH VIhys IIL IIH IIL IIH VRs Fosc FPWM VctL VctH Ictsink Ictsouce VocpL VocpH VocpL VocpH Vopen IleakFlag VFlagL IFlag Tpw Tpws Fclock Pulse tocp1 tocp2 tocp3 topen1 topen2 tonH1 toffH1 tonH2 toffH2 tonL1 toffL1 tonL2 toffL2 Tj ∆Tj Talarm ∆Talarm In ordinary operation (no load) At sleep VBB = 40V, Vo = 0V VBB = Vo = 40V Io = 0.5A Io = 0.8A Io = –0.5A Io = –0.8A Io = 0.5A Io = –0.5A Io = –0.5A VIL = 0.8V VIH = 2.0V Ix0 = High, Ix1 = High Ix0 = Low, Ix1 = High Ix0 = High, Ix1 = Low Ct = 2200pF±20% Ct = 2200pF±20% Out voltage Out voltage V BB = 5.5V VBB = 5.5V Sence voltage V Flag = 7 V IFlag = 1 mA In ordinary operation At sleep Ct = 2200pF In ordinary operation; Ct = 2200pF At switching the phase When Ixx shifts from L to H In ordinary operation When Ixx shifts from L to H mA µA V V µA µA V V V V V V V V V V µA µA µA µA mV mV mV kHz kHz V V µA µA V V V V mV µA V mA µS µS Hz µS µS µS µS µS µS µS µS µS µS µS µS µS 0.5 0.5 700 450 0.5 1.5 720 –120 3.0 V BB–2.0 –60 256 5.0 10.0 10.0 5.0 5.0 1.5 1.5 2.0 0.5 130 3.5 –100 1.2 2.0 –30 660 420 28.8 14.4 1.5 V BB–2.5 1.0 VBB–2.3 100 2.5 5.0 5.0 2.5 2.5 100 100 100 100 150 120 4.5 100 0.5 0.8 1.2 1.5 1.2 1.3 0.8 740 480 4.2 V BB–1.7 1.85 VBB–1.5 0.5 10.0 20.0 20.0 10.0 10.0 140 V V A V mA V W V IN VBB Tw 1mS VFlag VBB For Ta = 25°C For Tc (Ttab) = 25°C Note: *1: The Ct terminal threshold voltage and current are the design values. Warranty is based on the oscillation frequency. *2: Thermal protection and alarm temperatures are design values. Note: *1: With glass epoxy + copper foil board (size 5.0•7.4cm; t: glass epoxy = 1.6mm/copper foil = 18µm) Parameter Symbol Unit Remarks Ratings Main power supply voltage Input voltage Output current Flag terminal withstand voltage Flag terminal current Detect voltage Operating temperature V BB VIN Io VFlag IFlag VRs Top 6 to 18 –0.3 to 7.0 ±0.5 0 to 7.0 0 to 1.0 –1 to 1 –40 to 110 V V A V mA V V IN VBB Continuous VFlag VBB µPC (ECU) Rs Rs Ct 2200pF + VBB =6 to 18V SPM I20 I21 Ph2 FL1 GND GND GND GND Out2A Rs2 FL2 Out2B I10 I11 Ph1 Ct Set GND GND GND Out1A Rs1 V BB Out1B 12 13 Rs 1Ω typ (1 to 2W) IoM VRs/Rs Excitation Signal Time Chart 2-phase excitation 1 to 2-phase excitation Clock 0 1 2 3 0 1 Ph1 L H H L L H I10, I11 H H H H H H Ph2 L L H H L L I20, I21 H H H H H H Clock 0 1 2 3 4 5 6 7 0 1 2 3 Ph1 L H H H H L L L L H H H I10, I11 H L H H H L H H H L H H Ph2 L L L H H H H L L L L H I20, I21 H H H L H H H L H H H L * For the 1 to 2-phase excitation application, switch the Ph signal in the step of 1-ph excitation (Ixx turns from high to low). The OPEN detection function is invalid except in this sequence. Flag response time Response pulse width a) Part No. b) Lot No.

2-ph Stepper-motor Driver ICs SPF7211 –30 –10 10 50 30 90 70 110 130 150 –30 –10 10 50 30 90 70 110 130 150 Saturation voltage Vsat (V) Junction temperature (ºC) –30 –10 10 50 30 90 70 110 130 150 Junction temperature (ºC) 0.8 0.6 0.4 0.2 1.2 02 5 5 0 7 5 100 125 150 Power dissipation PD (W) Ambient temperature Ta (ºC) 0.5 Forward voltage VF (V) Junction temperature (ºC) 1.7 1.5 1.3 1.1 0.9 0.7 Oscillation frequency FOSC (kHz) Copper foil area (5.0•7.4mm, t=18 µm) j-a 30.5°C/W Infinite heatsink equivalent (Tc=25°C) j-tab 3.2°C/W VsatH VFGO VFH VFL VsatL FOSC Ct=2200pF ■ Vsat Temperature Characteristics (Io=0.5A) ■ Diode VF Characteristics (IF=0.5A) ■ Ta-PD Characteristics■ OSC Temperature Characteristics