M56733AFP MITSUBISHI | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 4

Technical content

3-PHASE BRUSHLESS MOTOR CONTROL M 56733AF P MITSUBISHI <CONTROL / DRIVER IC> DES CRIPT IO N The M56733AFP is a semiconductor integrated circuit designed as a single chip controller for the FDD spindle motor. The IC is equipped with a power amplifier, hole amplifier, FG amplifier, oscillator, speed discriminator, and various types of protection circuits. Equipped with MOD pin that enables 3-speed switching with a single pin, the M56733AFP is very convenient to make system compact. FEAT URES l Provided with digital servo enabling high precision, high stability and non-adjustment. l l l I O (peak)=1.0A l Low capacitance of dumping capacitor APP LICAT IO N FDD spindle motor (5") REC O M M ENDE D O PERAT IN G C O NDITIO N S B LOC K D IAGR A M PIN C O N FIG URAT IO N TO P VIEW Outline 36P2R-D OSC IN GND HB V CC FG Mon i FG IN MOD OSC OUT EN EN FG IN FLT DSC OUT GND U V H V R F H V H W H W H U ERR IN ERR OUT W H U M56733AFP 31R F U V W H U H U H V H V H W FG FG LOGIC TSD FG CTL V REF V REF OVSD FLT ERR OUT ERR IN (–) DSC OUT GND MOD H W – Hall Bias EN EN FG (Monitor) OSC IN OSC OUT OSC 1 / N DISCRIMINATOR ERR EN CONTROL V CC

3-PHASE BRUSHLESS MOTOR CONTROL M 56733AF P MITSUBISHI <CONTROL / DRIVER IC> ABS O LUT E M AXIM UM RAT ING S (Ta=25˚C) TYPICAL CHARACT ERISTICS 6,13,21 – 24,32,33 (pin number) 0 – VCC Symbol Ratings UnitParameter Conditions VCC VHD Io VIN Pt Kq Tj Topr Tstg Supply voltage Between 21 and 22, between 23 and 24, between 32 and 33 (pin number) 1.0 150 -20 – 75 -40 – 125 V A V W °C/W Output current Power dissipation Thermal derating Temperature at junction Operating temperature Storage temperature Use of infinite heat sink Use of infinite heat sink fIN 5Hole amplifier, differential input voltage 1000 4.5 27.8 V kHz Apply voltage at pin Clock frequency 5.0 3.0 Power dissipation Pdp (W) 0 25 150 Ambient temperatureTa (°C) 50 125 1.0 2.0 4.0 1000 Thermal derating (Maximum rating) With infinite heat sink used 4.5 Free air

3-PHASE BRUSHLESS MOTOR CONTROL M 56733AF P MITSUBISHI <CONTROL / DRIVER IC> With circuit turned OFF Limits Min. Type. Max.Symbol Test conditions UnitParameter EL ECT R ICAL CHARACT ERISTICS (Ta=25˚C, VCC =12V unless otherwise noted) 28 mA mA V Measurement of mean level of discriminator output dB VVoltage at RF pin when the voltage at FLT pin is lower than 1.5V. V mA V VIN=12V 6pin VIN=0V 13pin Except for injector current with circuit turned ON V Lo H i + for deceleration side, - for acceleration side fosc=492kHz mA VIinj=6mA V Circuit current Circuit current Hole amplifier input current Phase output center voltage Center voltage difference between phases Output saturation voltage Control input reference voltage Error amplifier output level Current limit reference voltage Function input threshold voltage Voltage gain between control input and output Difference in voltage gain between phases Input current at function input pin Discriminator output level Error amplifier reference voltage Discriminator count error Oscillation frequency Minimum operating current of injector IO =0.7A, sum of upper and lower voltage ICC L IINHA ICC H D VN Vsat VN G V VTH Vref IIN•E DG V VCL VIN Vo•E Vinj VO DSC IIN fosc IinjMAX DT IINMOD VOLFG I1FG IinjMIN FG amplifier output low level (monitor) Leak current at FG amplifier output pin (monitor) Input current at MOD pin Error amplifier input current Voltage at injector pin Maximum operating current of injector 0V applied 12V applied 12V applied IL=200mA fosc=492kHz fosc=492kHz fosc=492kHz 6,13pinLo H i H i Lo Voltage at FLT pin when output starts Source side Sink side Source + Sink mA mA mA mA V ms mA V V V dB 189 300–– 4.00.4– 7.16.35.1 0.2–– 3.22.8– 1.351.201.05 25.1018.0516.65 26.8123.8020.82 30.0028.0026.00 2–– 2.42.22.0 –-0.02-0.2 3.12.52.2 1.050.80.6 0.440.400.36 ––2.5 1.0–– 1000700500 -70-100-150 1.50.90.6 5.34.84.1 1.20.80.5 61-6 0.2–-0.2 ––25 4–– 0.20.1– 1.0–– 800565435 -140-98-75

3-PHASE BRUSHLESS MOTOR CONTROL M 56733AF P MITSUBISHI <CONTROL / DRIVER IC> APP LICAT IO N CIRCUI T EXAM PLE X =492kHz (Oscillator) Notes: C =33 m F C =0.47 m F C =10 m F C =0.01 m F C =165pF C =56pF C =165pF C m F C =0.01 m F C =0.1 m F C =0.1 m F C =0.1 m F C =0.1 m F <Constants> R =5.1k W R =510 W R =47k W R =180k W R =1.2k W R =0.5 W R =1.2k W R =4.7 W R =4.7 W R =4.7 W 1. Sets items with when measures for such as oscillation require to be taken. 2. R is to be used for injection current boost. Set R , if necessary. 3. Set R when gain adjustments are required. M5 6733A FP R C C FG C C R V CC FG Moni EN C EN C X C C MOD R R C R C R C R U V W C C R R R DISABLE ENABLE EN DISABLE EN M (Open status) Hi (MOD 2.6V Lo (MOD 0.8V) Mode pin fosc/820Hz fosc/(4100/3) Hz fosc/1640Hz FG synchronousfrequency H i Lo L O H i 5. Mode function 4. Enable function DISABLE M56733AFP