SPF7211

2-ph Stepper-motor Driver ICs SPF7211 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 External Dimensions (unit: mm) 17.28±0.2 15.58±0.2 24 13 1.0 –0.05 Fin thickness +0.1 Parameter 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 Symbol VBB VIN Io IoPeak VFlag IFlag VRs PD Tj Top Tstg Ratings 40 –0.3 to 15 ±0.8 ±1.0 7 3 –2 to 2 4.1 39 150 –40 to 110 –40 to 150 Unit V V A V mA V W °C °C °C Remarks VIN VBB 1 1.27±0.25 0.4 – 0.05 +0.15 12 2.5±0.2 2±0.2 Absolute Maximum Ratings b Tw 1mS VFlag VBB For Ta = 25°C * 1 For Tc (Ttab) = 25°C 0.25– 0.05 +0.15 a) Part No. b) Lot No. Note: *1: With glass epoxy + copper foil board (size 5.0•7.4cm; t: glass epoxy = 1.6mm /copper foil = 18 µm) Recommended Operation Range Parameter Main power supply voltage Input voltage Output current Flag terminal withstand voltage Flag terminal current Detect voltage Operating temperature Standard Circuit Diagram Ratings 6 to 18 –0.3 to 7.0 ±0.5 0 to 7.0 0 to 1.0 –1 to 1 –40 to 110 Unit V V A V mA V °C Remarks VIN VBB Continuous VFlag VBB µPC (ECU) Rs Electrical Characteristics Parameter Main power supply current Low voltage protection operation voltage UVLO hysteresis voltage Output leak current Symbol IBB IBBS VUVLO VUVLOhys IoleakL IoleakH VsatL min Ratings typ 3.5 0.5 –100 max 50 50 4.5 Unit 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 °C °C °C °C Conditions In ordinary operation (no load) At sleep Ct 2200pF Output saturation voltage VsatH Recovery diode forward voltage Input voltage Hysteresis voltage Ph terminal Input current V FL V FH 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 100 0.5 0.8 1.2 1.5 1.2 1.3 1.2 0.8 2.0 0.5 –5 –5 –30 660 420 40 28.8 14.4 700 450 70 48 24 0.5 1.5 720 –120 3.0 VBB–2.0 5 5 50 740 480 90 72 36 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 2-phase excitation Clock Ph1 I10, I11 Ph2 I20, I21 0 L H L H Excitation Signal Time Chart 1 H H L H 2 H H H H 3 L H H H 0 L H L H 1 H H L H 1 to 2-phase excitation Clock Ph1 I10, I11 Ph2 I20, I21 0 L H L H 1 H L L H 2 H H L H 3 H H H L 4 H H H H 5 L L H H 6 L H H H 7 L H L L 0 L H L H 1 H L L H 2 H H L H 3 H H H L Input terminal Ixx, Set terminals Input current Detect voltage Oscillation frequency PWM frequency Ct terminal threshold voltage Ct terminal current VIL = 0.8V VIH = 2.0V Ix0 = High, Ix1 = High Ix0 = Low, Ix1 = High Ix0 = High, Ix1 = Low Ct = 2200pF ±20% Ct = 2200pF ±20% * 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. *1 Out voltage Out voltage VBB = 5.5V VBB = 5.5V Sence voltage VFlag = 7V IFlag = 1mA 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 Overcurrent detection voltage Open detection voltage Flag terminal leak current Flag terminal saturation voltage Flag terminal current Response pulse width Set terminal Pulse rate Pulse number Flag response time OCP operation Open operation 1.5 VBB–2.5 1.0 VBB–2.3 4.2 VBB–1.7 1.85 VBB–1.5 10 0.5 3 –60 10 100 17 2.5 5.0 5.0 2.5 2.5 24 256 5.0 10.0 10.0 5.0 5.0 1.5 1.5 31 10.0 20.0 20.0 10.0 10.0 I/O propagation time 100 100 2.0 0.5 100 100 150 120 20 130 20 140 Thermal protection temperature Thermal protection hysteresis Thermal alarm temperature Thermal alarm hysteresis *2 58 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. I11 Ph1 Ct Set GND GND GND Out1A Rs1 VBB 12 Out1B Symbol VBB VIN Io VFlag IFlag VRs Top I20 24 I21 Ph2 FL1 GND GND GND GND Out2A Rs2 FL2 Out2B 13 SPM 1 I10 Rs VBB = 6 to 18V + Rs 1Ω typ (1 to 2W) IoM VRs/Rs 10.5±0.3 7.5±0.2 a 2-ph Stepper-motor Driver ICs SPF7211 Electrical Characteristics ■ Vsat Temperature Characteristics (Io=0.5A) 1.2 1 0.8 0.6 0.4 0.2 0 –30 –10 10 VsatL VsatH Forward voltage VF (V) ■ Diode VF Characteristics (IF=0.5A) 1.7 VFGO 1.5 1.3 1.1 0.9 0.7 0.5 –30 –10 10 VFH VFL Saturation voltage Vsat (V) 30 50 70 90 110 130 150 30 50 70 90 110 130 150 Junction temperature (ºC) Junction temperature (ºC) ■ OSC Temperature Characteristics 55 Oscillation frequency FOSC (kHz) ■ Ta-PD Characteristics 40 Infinite heatsink equivalent (Tc=25°C) j-tab 3.2°C/W Power dissipation PD (W) 53 FOSC 51 30 20 49 47 Ct=2200pF 45 –30 –10 10 30 50 70 90 110 130 150 10 Copper foil area (5.0•7.4mm, t=18µm) j-a 30.5°C/W 0 0 25 50 75 100 125 150 Junction temperature (ºC) Ambient temperature Ta (ºC) 59