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AN8473SA Dataheets PDF



Part Number AN8473SA
Manufacturers Panasonic Semiconductor
Logo Panasonic Semiconductor
Description Spindle motor driver
Datasheet AN8473SA DatasheetAN8473SA Datasheet (PDF)

ICs for Compact Disc/CD-ROM Player AN8473SA Spindle motor driver IC for optical disk s Overview The AN8473SA is an optical disk driver IC, featuring direct PWM drive, DMOS power drive, low ON resistance of output power MOS and 120° of duty-factor. 32 11.0±0.3 17 Unit: mm 6.1±0.3 s Features • RON = 0.5 Ω (for both upper and lower) • 5 V single power source • Circuit current 7 mA (including step-up circuit current) 0.65±0.10 8.1±0.3 1 16 0.2–0.05 1.5±0.2 +0.10 (0.625) 0.65 0.3 –0.05 +.

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ICs for Compact Disc/CD-ROM Player AN8473SA Spindle motor driver IC for optical disk s Overview The AN8473SA is an optical disk driver IC, featuring direct PWM drive, DMOS power drive, low ON resistance of output power MOS and 120° of duty-factor. 32 11.0±0.3 17 Unit: mm 6.1±0.3 s Features • RON = 0.5 Ω (for both upper and lower) • 5 V single power source • Circuit current 7 mA (including step-up circuit current) 0.65±0.10 8.1±0.3 1 16 0.2–0.05 1.5±0.2 +0.10 (0.625) 0.65 0.3 –0.05 +0.10 s Applications • Optical disk Seating plane 0.65±0.10 0.1±0.1 (0.5) SSOP032-P-0300 VDD 16 14 13 Start 11 FG 10 H1H 7 H1L 6 H2H 5 H2L 4 H3H 3 H3L 2 VH 1 EC 8 ECR 9 PWMSW 30 Start/ stop Step-up voltage circuit OSC Thermal protection 12 VPUMP s Block Diagram BC2 BC1 17 18 32 31 VM21 VM22 VM11 VM12 A11 A12 A21 A22 A31 A32 PG2 PG1 CS GND Amp. Hall amp. matrix Distributor circuit PWMOUTU Amp. PWMOUTL FF Absolute value PWM frequency changeover circuit VT SRESET SSET VC1 ×5 Output circuit 27 28 24 25 21 22 23 26 19 15 Hall bias 1 AN8473SA s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol VH H3L H3H H2L H2H H1L H1H EC ECR FG Start VPUMP BC1 BC2 GND VDD Description Hall bias pin Hall element-3 negative input pin Hall element-3 positive input pin Hall element-2 negative input pin Hall element-2 positive input pin Hall element-1 negative input pin Hall element-1 positive input pin Torque command input pin Torque command reference input pin FG signal output pin Start/stop changeover pin Booster pin Booster capacitor connection pin 1 Booster capacitor connection pin 2 Ground pin Supply voltage pin ICs for Compact Disc/CD-ROM Player Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Symbol VM21 VM22 CS N.C. A31 A32 PG2 A21 A22 PG1 A11 A12 N.C. Description Motor supply voltage pin 2 Motor supply voltage pin 2 Current det. pin N.C. Drive output 3 Drive output 3 Power current det. pin 2 Drive output 2 Drive output 2 Power current det. pin 1 Drive output 1 Drive output 1 N.C. PWMSW PWM frequency changeover pin VM12 VM11 Motor supply voltage pin 1 Motor supply voltage pin 1 s Absolute Maximum Ratings Parameter Supply voltage *2 Symbol VDD VM11, 12 VM21, 22 Rating 6.5 Unit V Drive output voltage *5 *6 V(m) V(n) IDD 15 0 to VDD 30 ±1 200 30 293 −30 to +85 −55 to +150 V V mA mA mA mW °C °C Control signal input voltage Supply current Drive output current Hall bias current *7 *3 *4 I(o) IHB(n) PD *1 Power dissipation Operating ambient temperature Storage temperature *1 Topr Tstg Note) Do not apply external currents or voltages to any pins not specifically mentioned. For circuit currents, '+' denotes current flowing into the IC, and '−' denotes current flowing out of the IC. *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: The voltage in the step-up voltage circuit exceeds the supply voltage. For the allowable value of the step-up voltage, refer to.


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