M56750FP 3-PHASE BRUSHLESS MOTOR DRIVER REJ03F0049-0100Z Rev.1.0 Sep.19.2003 Outline M56750FP is a 3 phase brushless motor driver that include charge pump circuit, which is inputted a acceleration and deceleration pulse signal from a external discriminator circuit. The pulse width is converted to the voltage by the above charge pump circuit and a external filter. And, the current in proportion to this voltage is outputted. Features • Wide voltage range: From 12V to 24V. • High current capability : 1.0A • Inclusion of current limit circuit. • Inclusion of charge pump circuit. • Inclusion of Hall-sensors drive circuit. (This function is linked with a power save function.) • Inclusion of power save function. • Inclusion FG amplifier. • Inclusion of Thermal Shut Down (TSD) circuit. Application Scanner motor of Laser Beam Printer. Rev.1.0, Sep.19.2003, page 1 of 8 M56750FP Pin Configuration Vcc CI TEST PS ACC 1 36 2 35 3 34 4 33 5 32 DEC 6 31 M56750FP 7 8 9 GND 10 11 12 U V W RNF RS HD 30 29 28 GND 27 26 25 RCP CPOUT VCTL 13 24 14 23 15 22 FGOUT FG+ FG- 16 21 17 20 18 19 Hu+ HuHv+ HvHw+ Hw- 36pin SSOP package Block Diagram V 35 U 36 W RS PS HD 34 32 4 31 TEST RNF 33 3 ACC DEC 6 5 Vcc 1 HALL DRIVER BIAS 7 to 12, 25 to 30 GND 120˚ MATRIX I/I Converte VLIM TSD V/V Converte + - 24 23 Hu+ Hu- + 22 - + - 21 20 19 Hv+ Hv- Rev.1.0, Sep.19.2003, page 2 of 8 Hw+ Hw- CHARGE PUMP FG 2 CI 16 FGOUT 17 FG+ 18 15 FG- VCTL 14 CPOUT 13 RCP M56750FP Pin Description Terminal Symbol Function Terminal Symbol Function 1 VCC Power Supply 36 U U phase output 2 CI Phase compensation 35 V V phase output 3 4 TEST PS Test terminal Power save 34 33 W RS W phase output Current sensing output 5 6 ACC DEC Acceleration signal input Deceleration signal input 32 31 RNF HD Current sensing Hall-elements drive 7 to 12 13 GND RCP GND Setting of charge pump output current. 25 to 30 24 GND Hu+ GND Hu+ sensor input 14 15 CPOUT VCTL Charge pump circuit output. Speed control signal input. 23 22 HuHv+ Hu- sensor input Hv+ sensor input 16 17 FGOUT FG+ FG amp. output. FG amp. non-inverted input (+) 21 20 HvHw+ Hv- sensor input Hw+ sensor input 18 FG- FG amp. inverted input (-) 19 Hw- Hw- sensor input Absolute Maximum Ratings (unless otherwise noted Ta=25°C) Parameter Symbol Limit Power Supply Vcc 28 V Output current Io 1.0 A Hall sensor Amp. differential input range Input voltage of input terminal VHA1 4.5 V Vi 7.0 V Output current of HD terminal Maximum input voltage of HD IHD VHD 20 28 mA V Output current of FGout terminal Maximum input voltage of FG output. IFGout VFGout 5.0 7.0 mA V Power dissipation Thermal derating Pt Kθ 4.5 27.8 W °C/W Junction temperature Operating temperature Tj Topr 150 −20 to 75 °C °C Storage temperature Tstg −40 to 150 °C Rev.1.0, Sep.19.2003, page 3 of 8 Unit Condition ACC, DEC, PS, VCTL terminals. Under output Tr. OFF condition. (Open collector output). Under output Tr. OFF condition. (Open collector output). With infinite heatsink With infinite heatsink M56750FP Thermal Derating With infinite heatsink Power dissipation Pdp (W) 5.0 4.5 4.0 Without heatsink 3.0 2.0 1.2 1.0 0 50 25 75 100 125 Ambient temperature (˚C) 150 Recommended Conditions Limits Parameter Symbol Min. Typ. Max. Unit Power supply Vcc 24 V Motor drive current Io 0.7 A Electrical characteristics (Unless otherwise noted Ta=25°C, Vcc=24V) Limits Parameter Symbol Min. Typ. Max. Unit Measurement conditions Supply current (1) ICCL 300 600 µA Under power save function mode (PS=5.0V) condition. Supply current (2) ICC 7.3 14 mA VCTL=CPOUT DEC=Lo, ACC=Hi Under motor stop condition. Saturation voltage VSAT 2.3 3.2 V Control Gain GIO 0.30 0.39 0.50 V/V Top and bottom at load current 500mA. of VCTL at VCTL(L) = 1.6V, VCTL(H) = 2.0 V Differential voltage of RNF / Differential voltage Reference voltage of current limit VLIM 0.329 0.366 0.403 V Common mode input voltage range of Hall amp. VHA2 1.5 VCC−2 V Differential input voltage of Hall amp. Input current of Hall sensor amp. VHA3 50 mVpp IHA 0.5 4.0 µA Rev.1.0, Sep.19.2003, page 4 of 8 The voltage that appears on the RNF terminal at VCTL=5.0V condition. Differential voltage of Hu+/Hu-, Hv+/Hv-, Hw+/HwHu+ = Hu- , Hv+ = Hv- , Hw+ = Hw- M56750FP Electrical characteristics (Unless otherwise noted Ta=25°C, Vcc=24V) Limits Parameter Symbol Min. Typ. Max. Unit Measurement conditions Acceleration current ISS −240 −200 −160 µA Deceleration current ISD +160 +200 +240 µA ACC=LO, DEC=HI RCP=13 Kohm at CPOUT=1.6V ACC=HI, DEC=LO RCP=13 Kohm at CPOUT=1.6V Charge pump output current Charge pump output voltage range IZ −50 0 +50 nA VCPOUT 1.2 2.8 V ACC=DEC=HI or LO at CPOUT=1.6V RCP=13 KΩ Input current of ACC (1) Input current of ACC (1) IACCH IACCL −1 −50 0 −10 1 µA µA ACC =5.0V ACC =0V ACC Threshold voltage Input current of DEC (1) VTACC IDECH 0.8 1.4 250 2.0 500 V µA ACC =5.0V Input current of DEC (1) ACC Threshold voltage IDECL VTDEC −50 0.8 −10 1.4 2.0 µA V ACC =0V Input current of VCTL Saturation voltage of HD terminal ICTL VSHD −60 0.6 −10 0.9 +40 1.2 nA V VCTL = 1.6 V Under PS terminal Open or Low and load current 20mA condition. Shut off current of HD terminal Saturation voltage of FGOUT terminal IBVHD 0 +10 µA VFGL 0.5 V Under PS terminal High and 2.4V input condition. (FG-) - (FG+) =100mV and load current 5.0mA. Shut off current of FGOUT terminal IBVFG 0 +10 µA Input current of PS terminal (H) IPSH 170 300 µA (FG-) - (FG+) =100mV and load current 5.0mA and 5.0V input condition. 5.0V input to PS terminal Input current of PS terminal (L) PS Threshold voltage IPSL −10 0 +10 µA 0V input to PS terminal VTPS 0.8 1.4 2.0 V Electrical characteristics Design value Parameter Symbol Min. Typ. Max. Unit Operational temperature of thermal shut down. TON 150 165 180 °C Hysteresis of thermal TSD (shut down function). THYS 20 35 50 °C Rev.1.0, Sep.19.2003, page 5 of 8 Remark Differential temperature of TSD function-comeback. M56750FP Application Circuit Power Supply 24v Vcc 1 7~12,25~30 GND 24 Hu 23 Hv 22 21 20 Hw U Hu+ 36 HuV Hv+ 120˚ Hv- MATRIX 35 W Hw+ 34 19 Hw4 HD I/I Converter HALL DRIVE 31 PS BIAS Power save [HI : Power save] [Lo or Open : ON] TSD 2 CI 0.5 ACC 5 Rs CHARGE PUMP I/I Converter 6 33 RNF VLIM DEC ICP CPOUT RCP 13 14 VCTL 15 16 + FGOUT FG18 FG+ 17 FG Rev.1.0, Sep.19.2003, page 6 of 8 32 M56750FP The timing chart of motor output current / Hall-sensor signal input Hall sensors input Hu+ HuHvHv+ Hw+ Hw- Source Output current U Sink Source V Sink Source W Sink 0 180 360 540 Motor rotation angle (˚C) * Above waveforms show a timing of Hall sensors and output currents. And, this waveforms do not show the actual waveforms of a motor function. Rev.1.0, Sep.19.2003, page 7 of 8 720 G Z1 e 1 36 z Detail G D y JEDEC Code — MMP HE b 18 19 Weight(g) 0.53 Detail F A2 A Lead Mater ial Cu Allo y L1 EIAJ P a c kage Code SSOP36-P-450-0.80 E Rev.1.0, Sep.19.2003, page 8 of 8 c A1 F L A A1 A2 b c D E e HE L L1 z Z1 y Symbol e1 b2 e1 I2 b2 Dimension in Millimeters Min Nom Max — — 2.35 0 0.1 0.2 — 2.05 — 0.3 0.35 0.45 0.18 0.2 0.25 14.8 15.0 15.2 8.2 8.4 8.6 — 0.8 — 11.63 11.93 12.23 0.3 0.5 0.7 — 1.765 — — 0.7 — — 0.85 — — — 0.15 0˚ 8˚ — 0.5 — — — 11.43 — 1.27 — — Recommended Mount Pad e Plastic 36pin 450mil SSOP I2 36P2R-D M56750FP Package Dimensions Sales Strategic Planning Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. 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