m56786fp Mitsumi Electronics, Corp., m56786fp Datasheet
m56786fp
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m56786fp Summary of contents
Page 1
... DESCRIPTION The M56786FP is a semiconductor integrated circuit in order to drive the spindle motor and 1ch actuator. FEATURES 3.3V DSP available. Low power dissipation & low motor echo noise. Large power dissipation package(Power Package). High motor drive current . Wide dynamic range. Motor current control for both motor torque directions. ...
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... Limits Min. Typ. Max. 4.5 5.0 5.5 4.5 12.0 13.2 4.5 12.0 13.2 700 700 MITSUBISHI <CONTROL / DRIVER IC> M56786FP Symbol Function 2 12V supply voltage CC Motor current sense S Phase Compensation I Test Note1 Motor drive output W V Motor drive output V U Motor drive output U GND Non-inverted output of actuator driver GND of actuator driver ...
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... BRS input voltage that the short braking is selected when the reverse torque. BRS input voltage that the free run is selected when the reverse torque. BRS input voltage that the reverse braking is selected when the reverse torque. MITSUBISHI <CONTROL / DRIVER IC> M56786FP Limits Typ. Min. 19 1.2 -60 ...
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... IN(+) = IN(-) = 1.65V Mute-on Mute-off Mute terminal input current (at 5V input voltage) -=GND, Ta=25˚C unless otherwise noted.) DD Function start temperature of IC Min. Typ. 165 MITSUBISHI <CONTROL / DRIVER IC> M56786FP Limits Typ. Min. 2.0 Limits Typ. Min. 0.7 -47 7.2 8 2.0 Function stop temperature of IC Max ...
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... Reverse Torque coil resistance ECR 0–-60mV Current limit When the free run mode(BRS=open) is selected, the coil current under the reverse torque control (EC-ECR>0) becomes zero and in FREE RUN free run situation. EC-ECR MITSUBISHI <CONTROL / DRIVER IC> M56786FP ...
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... For example, using an 1 layer glass epoxy resin board, the IC's 3.1W power dissipation is 2.9W at least. And it comes to 4.1W by using using I-type board an improved 2 layer board. 2.9W The information of the type board is shown in the board using J-type board information. 100 125 150 MITSUBISHI <CONTROL / DRIVER IC> M56786FP ...
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... The figure 7 shows its function case of both S/S and MUTE is LOW or OPEN, the bias of all OFF OFF circuit becomes OFF[Current is zero]. Therefore, this mode is available in order to reduce the power dissipation when the waiting mode. MITSUBISHI <CONTROL / DRIVER IC> M56786FP ...
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... SPINDLE MOTOR AND 1CH ACTUATOR DRIVER <INPUT> Vrefm 1.65V 6K 24K VM+ - <OUTPUT> 6K 24K 6K 24K Vrefm + VM 24K (OUT+ OUT pin So, CC MITSUBISHI <CONTROL / DRIVER IC> M56786FP IN+ 0.2V VM+ 0.8V 0.8V Vrefm= [(V +)+(V -)] / Gain=x8 CH1 power amplifier output terminal equivalent circuit VM- ...
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... GND (EC,ECR) (4)HB output terminal equivalent circuit GND (6)S/S, MUTE,FGS input terminal equivalent circuit GND 2 K 24K GND 18K GND W V M56786FP GND GND GND (IN+, IN-) (HB) (FGS) (S/S, MUTE) GND 24K 10K ...
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... Hu Hu *note The pin (TP) is test terminal ! 25 Please make an open this terminal ! M56786FP PWM1 PWM2 12V POWER SUPPLY 104 104 104 104 0.5 12V 10uF ...