m56787fp Mitsumi Electronics, Corp., m56787fp Datasheet
m56787fp
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m56787fp Summary of contents
Page 1
... DESCRIPTION The M56787FP is a semiconductor integrated circuit in order to drive the spindle motor. FEATURES Low motor echo noise. 3.3V DSP available. Large power dissipation package(Power Package). High motor drive current . Wide dynamic range. Motor current control for both motor torque directions. Reverse torque mode select [SHORT BRAKING,etc]. ...
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... Note 2 pins 23 – 28 Free Air Free Air Limits Min. Typ. 4.5 5.0 4.5 12.0 M56787FP SPINDLE MOTOR DRIVER Function Motor drive output W Motor drive output V Motor drive output U Motor GND Test Note1 GND Hw- Sensor amp. input Hw+ Sensor amp. input Hv- Sensor amp. input Hv+ Sensor amp. input Hu- Sensor amp ...
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... HIGH. [FGS] input voltage when it is LOW. Io current = 1mA Function start temperature of IC Function stop temperature of IC Min. Typ. Max. Min. 165 M56787FP SPINDLE MOTOR DRIVER Limits Unit Min. Typ. Max 1.2 1.9 ...
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... EC - ECR 0 – -60mV Current limit FREE RUN 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 EC - ECR situation. 0 – -60mV Current limit M56787FP SPINDLE MOTOR DRIVER ...
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... And it comes to 4.0W by using an improved 2 layer board. 2.7W using J-type board The information of the type board is shown in the board information. 75 100 125 150 Ta (˚C) Hu+ Hall elements V V SOURSE W W SINK U W M56787FP SPINDLE MOTOR DRIVER U Outer loator REVERSE U EC>ECR FORWARD EC<ECR ...
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... BRS terminal. Figure 7 shows the function table of the braking mode select the reverse braking when BRS is LOW,the short braking when BRS is HIGH and the free run when BRS is OPEN. M56787FP SPINDLE MOTOR DRIVER ...
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... Control ECR PWM1 18 Reference PWM2 N MITSUBISHI <CONTROL / DRIVER IC> CTL BIAS..TSD HALL BIAS FG REVERSE DETECT M56787FP SPINDLE MOTOR DRIVER N 104 104 U 38 MGND 37 TP 104 Please make an open 31 pin(TP) terminal ...
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... AREA OF SAFTY OPERATION 2.0 1.5 1.0 0.5 0.3 0 Voltage during corrector and emitter Measurement circuits Power supply 1 pulse + - Emitter current control MITSUBISHI <CONTROL / DRIVER IC> Tpw=500msec [Actual Data] Tpw=4msec VCE [ volt ] IC VCE Tpw measured characteristics M56787FP SPINDLE MOTOR DRIVER IC VCE ...