HA13605A Three-Phase Brushless Motor Driver ADE-207-201A (Z) 2nd. Edition February, 1998 Description The HA13605A is a three-phase brushless motor driver IC that provides digital speed control on chip. It was developed for use as the drum motor driver in plain paper copiers and has the following functions and features. Functions • • • • • • • • • • Three-phase output circuit that can provide a maximum of 4.5 A at 35 V per phase Digital speed control Crystal oscillator circuit (10 MHz maximum) FG amplifier Speed monitor (lock detection output) Current control circuit Overvoltage protection circuit (OVSD) Thermal protection circuit (OTSD) Low voltage protection circuit (LVI) Forward/reverse switching circuit Features • • • • • High breakdown voltage, large currents Direct PWM drive outputs Employs DMOS Low on resistance: 0.7 Ω/DMOS maximum No lower arm flywheel diode is required HA13605A Pin Description Pin No. Pin Name Function 1 VCC Power supply 2 UOUT U phase output 3 BOOSTL Booster pin. (Low side) 4 VOUT V phase output 5 RNF Output current detection 6 WOUT W phase output 7 BOOSTH Booster pin. (High side) 8 UIN U phase input 9 VR1 Charge pump reference voltage pin. 10 VIN V phase input 11 VX1 Output current control voltage input pin. 12 WIN W phase input 13 C-PMP Charge pump output pin. Speed error integration and phase compensation of speed control. 14 FGIN- FG Amp. (-) input pin 15 FGOUT FG Amp. output pin 16 FGIN+ FG Amp. (+) input pin 17 DIR Direction, Rotation direction set up pin 18 PWMOSC PWM oscillator input pin. Set oscillator frequency. 19 DSEL Divide select pin (L : 1/3, M : 1/12, M : 1/6) 20 OSCOUT Oscillator output 21 READY Ready pin. Speed monitor pin. (open-collector) 22 OSCIN Oscillator input 23 GND Ground 2 HA13605A Pin Arrangement 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GND OSCIN READY OSCOUT DSEL PWMOSC DIR FGIN+ FGOUT FGIN– C-PMP WIN VX1 VIN VR1 UIN BOOSTH WOUT RNF VOUT BOOSTL UOUT VCC 3 HA13605A Block Diagram VCC 5V R107 C104 1 7 R101 Reference voltage 8 HU C101 10 HV C103 HW L UH – UL D2 VH Phase switching logic VL + WH – WL Predriver 4 V D3 6 W 200 kΩ (typ.) 17 RNF Current limiter Control logic 5 Filter – 5V R105 + DIR LVI OTSD OVSD VREF VX1 18 Ct – R106 11 PWM OSC D4 15 + 23 kΩ R103 C105 D1 2 U 5.6 V R102 CE C110 + – 12 3 Booster + C102 C109 H 16 + 14 – FG detector 20 kΩ C106 R104 23 kΩ 1/24 fc C107 X’tal C108 22 OSC IN Divider D Noise filter Speed monitor Discriminator 2048 21 READY (open collector) Charge pump 13 C2 R108 C1 R2 Clamping circuit 20 OUT 19 D switching L: 1/3 M:1/12 H: 1/6 23 TAB 9 R1 (≈ 5 V) 4 HA13605A Timing Chart FWD Mode Hu + Hv Hw Hall amplifier 0 input Vhys – U output PWM PWM OFF 0 V output PWM OFF PWM 0 W output PWM PWM OFF 0 5 HA13605A Speed control (1) Slow speed (2) Fast speed FGout ( 15 pin) Hysterisis Wave commutation 1/2 frequency division 1st. count 2048count 2048count M M 2nd. count M M 2048count M 2048count M Charge pump output ( 13 pin) Acceleration pulse Slowdown pulse M : Noise cancellation (512count) 6 HA13605A Truth Value Table Hall Amplifier Input Output DIR Input U-V V-W W-U U V W H (stop) X X X Z Z Z M (reverse) H L H PWM H Z H L L PWM Z H H H L Z PWM H L H L H PWM Z L H H H Z PWM L L H Z H PWM H L H H PWM Z H L L H Z PWM H H L Z H PWM L H L PWM H Z L H H PWM Z H L L H Z PWM H L (forward) Divider Selector DSEL D H 1/6 M 1/12 L 1/3 7 HA13605A External Components Part No. Recommended Value Purpose Notes R1, R2 — Integration constants 1 R101, R102 — Hall bias 9 R103, R104 — FG amplifier gain setting 2, 8 R105, R106 10 kΩ Used in interfacing R107 4.7 kΩ Booster stabilization 11 R108 — Oscillator feedback resistor 10 RNF — Current detection 3 C1, C2 — Integration constants 1 C101, C102, C103 0.047 µF Stabilization C104 ≥ 0.1 µF Power supply bypass C105 — Determines the FG amplifier band 5 C106 — FG amplifier AC coupling 6 C107, C108 — Oscillator circuit elements 10 C109 ≥ 300 pF Booster capacitance 11 C110 ≥ 47 µF Stabilization Ct — PWM oscillator time constant 4 X’tal — CLK oscillator 7 D1, D2, D3 — Regenerative current path D4 — Used in interfacing Notes: 1. Use the following formulas to determine target values for these constants. 2πfFG ωo ≤ (rad/s) 20 7.7JωoNoRmVosc R2 = KTVR1 (2Vps – 0.83VE) R1 3.0 kΩ ≤ R1 ≤ 15 kΩ 1 1 C1 = • (F) 10 ωoR2 C2 = 10C1 (F) Where: ωo: Control loop angular frequency f FG: FG frequency J: Moment of inertia of the motor No: Rotation speed Rm: Motor coil resistance KT: Torque constant VE: Motor reverse voltage at speed No Vps: Power supply voltage Vosc: PWM oscillator amplitude 8 (Hz) (kg•m2) (rad/s) (Ω/T•T) (N•m/A) (VPP /T•T) (V) 2.2 (VPP : See the electrical characteristics table.) HA13605A VR1: Charge pump reference voltage 5.6 (V: See the electrical characteristics table.) 2. The voltage gain (Gfg) of the FG amplifier is determined by the following formula. Here Rfgf is the internal feedback resistance. See the electrical characteristics table. However, note that R103 must be equal to R104. Gfg = Rfgf R103 3. The output current limit is given by the following formula. Iomax = (VX1 — 25 mV) Rnf (A) 4. The PWM carrier frequency is determined by the following formula. Here VR1 and K are the charge pump voltage and the oscillator amplitude (see the electrical characteristics table), respectively. . VR1 fP =. (Hz) KCt R1 VOSC 5. The FG amplifier bandwidth BW is determined by the following formula. Here Rfgo is the pin 15 output resistance. See the electrical characteristics table. However, when C105 is 0, BW is limited to 8 kHz by the internal capacitance. BW = 1 2π C105 Rfgo (Hz) 6. Determine C106 using the following formula as a rough estimate. C106 ≥ 1 π(R103 + R104) fFG (F) Consult with the oscillator element manufacturer. 7. Relationship of between the CLK frequency fc and the FG frequency fFG. Are determined by the under table. D fc (Hz) 1/3 2048.5 • fFG D 1/6 1/12 2048.5 • fFG D But rotation response is 80 ppm down 8. If an input of 1.25/GFG (Vp-p) or higher is applied, irregular rotation may occur due to FG amplifier saturation. 9. The absolute value of the whole amplifier input voltage must be within the in-phase input voltage range. 10. This should be decided after consultation with the oscillator manufacturer. 11. Determine C109 using the following formula as a rough estimate. 3 kΩ ≤ R107 ≤ 6 kΩ 300pF < C109 ≤ 20 Fc (R108 + 200 Ω) (F) 9 HA13605A 12. TAB should be connected to pin 23 (GND). The FG amplifier may not operate normally, causing irregular rotation, due to parasitism during phase switching. Absolute Maximum Ratings (Ta = 25°C) Item Symbol Rated Value Unit Notes Power supply voltage VCC 45 V 1 Input voltage (1) Vin(1) –0.3 to 6 V 2 Input voltage (2) Vin(2) –0.3 to 6 V 3 Instantaneous output current Iomax 4.5 (@T ≤ 400 ms) A 4 Steady state output current Iout(1) 1.5 A 4 Logic output current Iout(2) 10 mA 5 Output voltage Vout 15 V 5 Allowable power dissipation PT 25 (@Tc = 112°C) W 6 Operating junction temperature Tjopr –10 to +125 °C Storage temperature Tstg –55 to +125 °C Notes: 1. The operating voltage range is as shown below. VCC = 20 to 35 V 2. Applies to the hall amplifier. (Pin 8, Pin 10, Pin 12) 3. Applies to the DIR input pin (Pin 17) and the D switchover input pin (Pin 19). 4. Applies to the U, V, and W output pins (Pins 2, 4, and 6). The operation locus of each TRS must not exceed the ASO range shown in figure 1. However, there is no particular regulation concerning the recovery current. Refer to figure 2 for the temperature rise in the event of rush. 5. Applies to the speed monitor output (Pin 21). 6. The package thermal resistances are shown below. θj-c ≤ 1.5°C/W (with an arbitrarily large heat sink) θj-a ≤ 35°C/W (when mounted on a glass-epoxy PC board) 10 HA13605A 4.5 1 shot pulse (@Ta = 25°C) 1.5 1 ID(MAX) (@TC = 75°C) Pw = 0.1 ms Pw = 1.0 ms DC Pw = 10 ms op era tio n 0.1 1 10 VDS [V] 45 100 Figure 1 ASO Range (Design guide only) 4 Temperature Rising [°C] Iout (1) [A] 10 Rush current 5 A 3 4A 2 3A 1 0 0.2 0.4 0.6 0.8 Rush Time [s] 1.0 1.2 Figure 2 Rush Time vs. Temperature Rising 11 HA13605A Electrical Characteristics (Ta = 25°C, VCC = 24 V) Item Symbol Min Typ Max Unit Test Conditions Current drain Icc(1) — — 18 mA VCC = 35 V R1 = 5.6 kΩ Icc(2) — — 20 mA VCC = 45 V Hall Input current Ih — — ±20 mA amplifier Common mode input voltage range Vhc 1.5 2.5 3.5 V Differential mode input voltage range Vhd 50 — 1000 mVPP Output Leakage current Icer — — 3 mA Vds = 35 V amplifier On resistance Rdson — 0.5 0.7 Ω Io = 1.5 A, Tj = 25°C Diode voltage Vfl — 1.2 2.0 V IF = 1.5 A, lower arm Vfu 0.8 1.2 — V IF = 1.5 A, upper arm Notes 8, 10, 12 PWM Low level voltage VI 1.10 1.30 1.50 V oscillator & Com- Oscillator amplitude Vosc 2.0 2.2 2.4 VPP parator Correct coefficient K 12 14 16 — R1 = 5.6 kΩ FG amplifier Input voltage range Vfg 8 — 300 mVPP Gfg = 32 dB, R103, R104 = 580 Ω and FG detector Differential noise margin nd — — 1.25 mVPP Gfg = 32 dB, R103, R104 = 580 Ω, Common noise margin nc 1.0 — — VPP f = 1kHz CLK OSC Oscillator frequency range fc 1.0 — 10.0 MHz Crystal oscillator Discrimi- Count N — 2048 — — nator Operating frequency range fdis — — 3.0 MHz Charge R1 voltage VR1 5.1 5.6 6.1 V R1 = 5.6 kΩ pump Charge current Icp 0.117 0.130 0.143 A/A Vo = 1.5 V, 12 Applicable Pins 2, 4, 6 1 18 14, 16 20, 22 2 Discharge current Icd –0.117 –0.130 –0.143 A/A R1 = 5.6 kΩ Current ratio IR 0.8 1.0 1.2 A/A Icp/Icd Leakage current Ioff — — ±50 nA Vo = 3.5 V Clamp voltage Vcrmp 4.00 4.25 4.50 V Icp = 50 mA 3 13 4 HA13605A Electrical Characteristics (Ta = 25°C, VCC = 24 V) (cont) Item Symbol Min Typ Max Unit Test Conditions Applicable Pins Notes 21 5 Speed Locking range ∆No — ±5 — % monitor Output low level voltage Vol2 — — 0.4 V Io = –10 mA Output leakage current Icer2 — — ±10 µA Vce = 15 V Current Input current Icl — — ±10 µA Vx1 = 0 to 2 V limiter Offset voltage Vclos –10 –25 –40 mV Vx1 = 0.5 to 2 V LVI Operating voltage Vsd — — 20 V Turn on 1 OVSD Operating voltage Vovs 35 — — V Turn on 1 OTSD Operating temperature Tsd 125 160 — — Hysteresis Thys — 15 — — Input Input current Ii1, Ii2 –10 — 40 µA interface DIR Input low voltage Vil1 — — 1.2 V DIR Input middle voltage Vim1 1.7 — 3.2 V DIR Input high voltage Vih1 3.7 — — V D Input low voltage Vil2 — — 1.5 V D Input middle voltage Vim2 2.0 — 2.8 V D Input high voltage Vih2 3.5 — — V Hall amp. Hysteresis Uhys — 20 — mV Rh = 400 Ω 6, 9 Power Transient tphl1 — — 1 µs at PWM 7, 9 drive response time tplh1 — — 1 µs at PWM tr, tf — — 300 ns at PWM Noise cancellation Tn1 range — 1.0 — µs 9 Filter 11 9 Vin = –0.3 V to 5.25 V PWMOSC Oscillation & compfrequency range fp 2 — 20 kHz 9 arator Vphys — 50 — mV 9 Comparator hysteresis 13 HA13605A Electrical Characteristics (Ta = 25°C, VCC = 24 V) (cont) Item Symbol Min Typ Max Unit Test Conditions Applicable Pins Notes FG amp. & FG Feedback resistance Rfgf — 23 — kΩ 9 detector Output resistance Rfgo — 20 — kΩ 9 Hysteresis VZXhys — –80 — mV 9 Frequency error Dfc — — ±0.01 % Threshold voltage Vfth — 2.7 — V 9 Oscillation amplitude Vfc — 5.6 — Vpp 9 OVSD Hysteresis OVDhys — 1.5 — V 9 LVI Hysteresis Lhys — 1.0 — V 9 — 3.0 — µs CLK OSC Noise filter Noise cancellation Tn2 range Notes: 1. 2. 3. 4. 5. 6. 7. 8. Crystal oscillator fc = 4 MHz, D = 1/6 9 8, 9 The on resistance per single MOS transistor. Stipulated for the discriminator input. See figure 3. See figure 4. Specified as a ratio to the R1 current. The speed monitor output is low when the motor is at the set speed. See figure timing chart. See figure 5. Refer to the operation and the formula for determining the maximum cancelable noise width Tn (figure 6). Noise cancellation is effective only when the FG detector output is low. 9. Design guide only. 14 HA13605A 5.7 Tj = 25 °C VR1 [V] 5.6 5.5 5.4 5.3 5.2 0 5 10 15 20 R1 [kΩ] Figure 3 VR1-R1 Characteristics 5.7 VR1 [V] 5.6 –2.3 mV/°C 5.5 R1 resistance value 5.4 15 kΩ 5.3 5.6 kΩ 3 kΩ 5.2 -50 0 50 100 150 200 Tj [°C] Figure 4 VR1 Temperature Characteristics Pin 18 input voltage 50% 50% 90% Pin 2, 4, 6 output voltage 50% 90% 50% 10% tplh tphl 10% tr tf Figure 5 15 HA13605A Tn Tn2 < FG detector output Figure 6 Ron [Ω] 1.2 1.0 On resistanse 0.8 U-upper V-upper W-upper U-lower V-lower W-lower Ron max 0.7 Ω (@Iout = 2 A) 0.54 Ω 0.6 0.4 0.2 -50 0.47 Ω -25 0 25 50 Temperature 75 100 125 150 Ta [°C] = Tj Figure 7 Ron Temperature Dependence Characteristics Quiescent Current ICC [mA] 20 15 Ta = –40°C 25°C 125°C 10 140°C 5 0 20 25 30 Supply Voltage VCC [V] Figure 8 Supply Voltage vs. Quiescent Characteristics 16 35 3 fc • D HA13605A Package Dimensions Unit: mm 17.50 ± 0.13 30.18 ± 0.25 19.81 9.91 4.32 ± 0.05 0.38 M ø 3.80 ± 0.05 4.50 ± 0.12 2.79 3.80 ± 0.05 0.38 M 1.55 +0.05 –0.1 10.70 ± 0.12 17.78 ± 0.25 2 – R1.84 ± 0.19 1.27 3 Pin No. 1 5 7 0.25 27.94 4.29 5.08 +0.06 0.40 –0.04 9 11 13 15 17 19 21 23 0.61 4.14 ± 0.33 +0.09 0.70 –0.1 12 2 4 6 8 10 14 16 18 20 22 Hitachi code EIAJ code JEDEC code SP-23TE — — 17 Cautions 1. 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