MC33039, NCV33039 Closed Loop Brushless Motor Adapter The MC33039 is a high performance closed−loop speed control adapter specifically designed for use in brushless DC motor control systems. Implementation will allow precise speed regulation without the need for a magnetic or optical tachometer. This device contains three input buffers each with hysteresis for noise immunity, three digital edge detectors, a programmable monostable, and an internal shunt regulator. Also included is an inverter output for use in systems that require conversion of sensor phasing. Although this device is primarily intended for use with the MC33035 brushless motor controller, it can be used cost effectively in many other closed−loop speed control applications. http://onsemi.com MARKING DIAGRAMS PDIP−8 N SUFFIX CASE 626 MC33039P AWL YYWWG 1 1 Features • Digital Detection of Each Input Transition for Improved Low Speed • • • • • 1 1 A WL, L YY, Y WW, W G or G φA Inputs 8 RT 6 8.25 V + + + φA 3 CT R 20 k 2R Delay To Rotor Position Sensors φB + − 15 k 2 R 1 + Delay φC 1 8 VCC φB 2 7 GND φA 3 6 RT/CT φA 4 5 fout (Top View) fout ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet. S Q Delay φC 5 = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package PIN CONNECTIONS VCC 4 33039 ALYW G SOIC−8 D SUFFIX CASE 751 Motor Operation TTL Compatible Inputs With Hysteresis Operation Down to 5.5 V for Direct Powering from MC33035 Reference Internal Shunt Regulator Allows Operation from a Non−Regulated Voltage Source Inverter Output for Easy Conversion between 60°/300° and 120°/240° Sensor Phasing Conventions Pb−Free Packages are Available + − 0.3 V 7 GND Representative Block Diagram © Semiconductor Components Industries, LLC, 2006 April, 2006 − Rev. 5 1 Publication Order Number: MC33039/D MC33039, NCV33039 MAXIMUM RATINGS Rating Symbol Value Unit 30 mA IIH 5.0 mA Output Current (Pins 4, 5), Sink or Source IDRV 20 mA Power Dissipation and Thermal Characteristics Maximum Power Dissipation @ TA = + 85°C Thermal Resistance, Junction−to−Air PD RqJA 650 100 mW °C/W Operating Junction Temperature TJ +150 °C Operating Ambient Temperature Range MC33039 NCV33039 TA Storage Temperature Range Tstg VCC Zener Current I Logic Input Current (Pins 1, 2, 3) Z(V CC ) °C −40 to +85 −40 to +125 °C −65 to +150 Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. ELECTRICAL CHARACTERISTICS (VCC = 6.25 V, RT = 10 k, CT = 22 nF, TA = 25°C, unless otherwise noted) Characteristic Symbol Min Typ Max VIH VIL VH 2.4 − 0.4 2.1 1.4 0.7 − 1.0 0.9 Unit LOGIC INPUTS Input Threshold Voltage High State Low State Hysteresis V Input Current High State (VIH = 5.0 V) φA φB, φC Low State (VIL = 0 V) φA φB, φC mA IIH − 40 − − 60 − 0.3 − 80 − 5.0 − 190 − − 300 − 0.3 − 380 − 5.0 IIL MONOSTABLE AND OUTPUT SECTIONS Output Voltage High State fout (Isource = 5.0 mA) φA (Isource = 2.0 mA) Low State fout (Isink = 10 mA) φA (Isink = 10 mA) VOH V 3.60 4.20 3.95 4.75 4.20 − − − 0.25 0.25 0.50 0.50 VOL Capacitor CT Discharge Current Idischg 20 35 60 mA tPW 205 225 245 ms Power Supply Operating Voltage Range MC33039 (TA = −40° to +85°C) NCV33039 (TA = −40° to +125°C) VCC 5.5 − VZ V Power Supply Current ICC 1.8 3.9 5.0 mA Zener Voltage (IZ = 10 mA) VZ 7.5 8.25 9.0 V ⎥ Zka⎥ − 2.0 5.0 W Output Pulse Width (Pin 5) POWER SUPPLY SECTION Zener Dynamic Impedance (DIZ = 10 mA to 20 mA, f p 1.0 kHz) http://onsemi.com 2 MC33039, NCV33039 Rotor Electrical Position (Degrees) 0 60 120 180 240 300 360 480 600 720 φA 60° Sensor Electrical Phasing Input φB φC φA 120° Sensor Electrical Phasing Input φB φC φA Output Latch ISetI Input Vth ≈ 0.67 VCC RT/CT Vout (AVG) fout Output Constant Motor Speed Increasing Motor Speed Figure 1. Typical Three Phase, Six Step Motor Application OPERATING DESCRIPTION loop application using the MC33035 brushless motor controller. Constant speed operation down to 100 RPM is possible with economical three phase four pole motors. The φA inverter output (Pin 4) is used in systems where the controller and motor sensor phasing conventions are not compatible. A method of converting from either convention to the other is shown in Figure 3. For a more detailed explanation of this subject, refer to the text above Figure 39 on the MC33035 data sheet. The output pulse amplitude VOH is constant with temperature and controlled by the supply voltage on VCC (Pin 8). Operation down to 5.5 V is guaranteed over temperature. For systems without a regulated power supply, an internal 8.25 V shunt regulator is provided. The MC33039 provides an economical method of implementing closed−loop speed control of brushless DC motors by eliminating the need for a magnetic or optical tachometer. Shown in the timing diagram of Figure 1, the three inputs (Pins 1, 2, 3) monitor the brushless motor rotor position sensors. Each sensor signal transition is digitally detected, ORied at the Latch iSeti Input, and causes CT to discharge. A corresponding output pulse is generated at fout (Pin 5) of a defined amplitude, and programmable width determined by the values selected for RT and CT (Pin 6). The average voltage of the output pulse train increases with motor speed. When fed through a low pass filter or integrator, a DC voltage proportional to speed is generated. Figure 2 shows the proper connections for a typical closed http://onsemi.com 3 http://onsemi.com 4 1 2 3 20 k Delay Delay Delay φA 4 7 8.25V 8 R S Q Figure 2. Typical Closed Loop Speed Control Application + − + − 15k 0.3V MC33039P + 2R R 5 6 CT RT Speed Set Enable VCC Fwd/ Rev OSC EA MC33035P + − REF − + PWM UVLO R S S R Q Q Thermal + + + POS DEC + − Brake ILIMIT Fault VM S N S Motor Assy N Rotor MC33039, NCV33039 Output Buffers Δ t PW , OUTPUT PULSE WIDTH CHANGE (%) MC33039, NCV33039 VCC = 6.25 V TA = 25°C 10 CT = 220 nF 1.0 CT = 22 nF 0.1 CT = 2.2 nF 0.01 2.0 20 RT , TIMING RESISTOR (kW) 200 +1.6 VCC = 6.25 V RT = 10 k CT = 22 nF +0.8 0 −0.8 −1.6 − 55 − 25 Δ t PW , OUTPUT PULSE WIDTH CHANGE (%) Figure 3. fout, Pulse Width versus Timing Resistor + 100 + 125 Figure 4. fout, Pulse Width Change versus Temperature + 4.0 20 ICC , SUPPLY CURRENT (mA) TA = 25°C + 2.0 0 − 2.0 − 4.0 4.5 Pins 1, 2, 3 Connected together 16 12 8.0 TA = −40°C 4.0 TA = 125°C 0 5.5 6.5 7.5 VCC , SUPPLY VOLTAGE (V) 8.5 0 2.0 0 VCC − 2.0 VCC = 6.25 V TA = 25°C Source Saturation (Load to Ground) − 4.0 + 0.4 Sink Saturation (Load to VCC) + 0.2 GND 0 0 4.0 8.0 12 IO , OUTPUT LOAD CURRENT (mA) TA = 25°C 4.0 6.0 VCC , SUPPLY VOLTAGE (V) 8.0 10 Figure 6. Supply Current versus Supply Voltage Δ V sat (sink), SINK SATURATION CHANGE (%) Figure 5. fout, Pulse Width Change versus Supply Voltage V sat , OUTPUT SATURATION VOLTAGE (V) 0 + 25 + 50 + 75 TA , AMBIENT TEMPERATURE (°C) 16 ΔV sat (SOURCE), SOURCE SATURATION CHANGE (%) t PW , OUTPUT PULSE WIDTH (ms) 100 + 0.6 +16 VCC = 6.25 V IO = 5.0 mA + 0.4 +8.0 + 0.2 0 D Sink Saturation (Load to VCC) D Source Saturation (Load to Ground) 0 − 8.0 − 0.2 −16 − 55 Figure 7. fout, Saturation versus Load Current − 25 0 + 25 + 50 + 75 TA , AMBIENT TEMPERATURE (°C) + 100 Figure 8. fout, Saturation Change versus Temperature http://onsemi.com 5 + 125 MC33039, NCV33039 ORDERING INFORMATION Device Operating Temperature Range Package Shipping† MC33039D 98 Units / Rail MC33039DG SOIC−8 MC33039DR2 MC33039DR2G TA = −40°C to +85°C 2500 / Tape & Reel MC33039P MC33039PG PDIP−8 50 Units / Rail SOIC−8 2500 / Tape & Reel NCV33039DR2* NCV33039DR2G* TA = −40°C to +125°C †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *NCV33039: Tlow = −40C, Thigh = +125C. Guaranteed by design. NCV prefix is for automotive and other applications requiring site and change control. http://onsemi.com 6 MC33039, NCV33039 PACKAGE DIMENSIONS P SUFFIX PLASTIC PACKAGE CASE 626−05 ISSUE L 8 NOTES: 1. DIMENSION L TO CENTER OF LEAD WHEN FORMED PARALLEL. 2. PACKAGE CONTOUR OPTIONAL (ROUND OR SQUARE CORNERS). 3. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 5 −B− 1 4 F −A− NOTE 2 L C J −T− N SEATING PLANE D H M K G 0.13 (0.005) M T A M B M http://onsemi.com 7 DIM A B C D F G H J K L M N MILLIMETERS MIN MAX 9.40 10.16 6.10 6.60 3.94 4.45 0.38 0.51 1.02 1.78 2.54 BSC 0.76 1.27 0.20 0.30 2.92 3.43 7.62 BSC −−− 10_ 0.76 1.01 INCHES MIN MAX 0.370 0.400 0.240 0.260 0.155 0.175 0.015 0.020 0.040 0.070 0.100 BSC 0.030 0.050 0.008 0.012 0.115 0.135 0.300 BSC −−− 10_ 0.030 0.040 MC33039, NCV33039 PACKAGE DIMENSIONS SOIC−8 NB CASE 751−07 ISSUE AH NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. 6. 751−01 THRU 751−06 ARE OBSOLETE. NEW STANDARD IS 751−07. −X− A 8 5 S B 1 0.25 (0.010) M Y M 4 K −Y− G C N DIM A B C D G H J K M N S X 45 _ SEATING PLANE −Z− 0.10 (0.004) H D 0.25 (0.010) M Z Y S X M J S MILLIMETERS MIN MAX 4.80 5.00 3.80 4.00 1.35 1.75 0.33 0.51 1.27 BSC 0.10 0.25 0.19 0.25 0.40 1.27 0_ 8_ 0.25 0.50 5.80 6.20 INCHES MIN MAX 0.189 0.197 0.150 0.157 0.053 0.069 0.013 0.020 0.050 BSC 0.004 0.010 0.007 0.010 0.016 0.050 0 _ 8 _ 0.010 0.020 0.228 0.244 SOLDERING FOOTPRINT* 1.52 0.060 7.0 0.275 4.0 0.155 0.6 0.024 1.270 0.050 SCALE 6:1 mm Ǔ ǒinches *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. 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