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HA13571FR Dataheets PDF



Part Number HA13571FR
Manufacturers Hitachi Semiconductor
Logo Hitachi Semiconductor
Description Combo (Spindle & VCM) Driver for HDD
Datasheet HA13571FR DatasheetHA13571FR Datasheet (PDF)

HA13571FR Combo (Spindle & VCM) Driver for HDD ADE-207-269 (Z) 1st Edition February 1999 Description The HA13571FR is combination of Spindle and VCM Driver designed for HDD and have following functions and features. Functions • • • • • • • • • 2.2 A/phase spindle motor driver 1.5 A VCM driver Soft switching control circuit B-EMF detection circuit Selectable PWM or linear drive (spindle motor driver) Power down brake & retract PWM DAC & filter (VCM driver) 5 V, 12 V power supply monitor Watch d.

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HA13571FR Combo (Spindle & VCM) Driver for HDD ADE-207-269 (Z) 1st Edition February 1999 Description The HA13571FR is combination of Spindle and VCM Driver designed for HDD and have following functions and features. Functions • • • • • • • • • 2.2 A/phase spindle motor driver 1.5 A VCM driver Soft switching control circuit B-EMF detection circuit Selectable PWM or linear drive (spindle motor driver) Power down brake & retract PWM DAC & filter (VCM driver) 5 V, 12 V power supply monitor Watch dog timer Features • Low thermal resistance package (θj-a ≤ 25°C/W) • Full programable commutation structure • Low output saturation voltage  Spindle motor driver  VCM driver • Built-in PWM DAC with filter • Low noise drive by soft switching HA13571FR Pin Arrangement VISENH NC VCMP VCMP VCMP VCCV12 SHPWR POR12VADJ VCMREF WDTIN GND NC GND VISENL POR5VADJ CPOR NC PORN VISENS VCMINP 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 RETADJ NC1 VCMN NC NC BSTFLT BSTCP1 BSTCP2 OSCTC GND GND SDRVW NC SISENH SISINK SISINK NC SDRVN SCOMP SDRVU 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SDRVV TEMP SLOPEC NC SPWMTC NC NC VCCS12 NC SISENL GND NC NC GND SLOPER VCC5 SPWMFLT SIPWM SMODE SCNTL3 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VFLTOUT VFLTINP VFLTINP VREFOUT VPCNTL VIPWMH VIPWML NC NC NC NC GND NC VCCA12 SENU SENV SENWIS SCNTL1 SCNTL2 GND (CTLAMP) (Top view) Notes: 1. 2. 3. 4. All same name pins must be connected together. "NC" and "NC1" denotes no connection pins. ALL "NC" pins must be connected to GND or opened. "NC1" pin must be connected to VCMN or opened. 2 HA13571FR Block Diagram 5V 0.1µF 12V 34kΩ 470pF Rx 0.47µF VCC5 16 SLOPER 15 3 SLOPEC SENU 26 SENV 25 SENWIS 24 SCNTL1 23 SCNTL2 22 SCNTL3 20 0.5VCC5 SPWMTC 5 VCCA12 27 VCCS12 8 SDRVN 78 SOFT SWITCH CONTROL SLEEP SOFT − + − + SLEEP U VBST V W TAB SPN DRIVER U V SDRVU 80 SDRVV 1 SDRVW 72 75,76 74 10 79 SISINK MPX − + LOGIC DECODER DISABLE W ONE SHOT 0.75VCC5 INDUCTANCE MODE PWM MODE LINEAR Icomp SISENH Rnf SMODE 19 SMODE COMP 0.25VCC5 SIPWM 18 SPWMFLT 17 PWM DECODER FILTER 0.5VCC5 − + ICOMP − + 0.9V SOFT ISENSE AMP + − ISENSE − + CONTROL AMP TSD SISENL SCOMP 5V THERMAL SHUT DOWN 2 TEMP SHPWR SLEEP 0.5VCC5 SLEEP 0.75VCC5 SLEEP POR WDTIN 51 VPCNTL 36 VREFOUT 37 VREFOUT 4.0V WATCH DOG TIMER 54 VTRI- DISABLE LEVEL 0.25VCC5 RETRACT DRIVER 61 RETADJ SLEEP VREF 1.4V VBST VCM ENABLE 55 VCCV12 VIPWML 34 VIPWMH 35 PWM DECODER FILTER VCCV12/2 VCM DRIVER VCMN 63 VCMP Rs 56,57,58 47 Rf VISENL VISENH VCMREF SBD1 Cf SLEEP VREF 1.4V 60 52 VBST 5V OSCTC 69 BOOSTER POWER MONITOR 5/16 VCC5 POR DETECTOR POR 43 PORN 5/32 VCCV12 67 68 BST BST CP2 CP2 66 38,39 40 41 42 46 BST VFLT VFLT VCM VISENS POR FLT INP OUT INP 5V ADJ 53 POR 12V ADJ 45 CPOR 11,14,21,29, 48,50,70,71 C133 3 HA13571FR Truth Table Table 1 SCNTL1 H H H L L L L H Input to Output Drivers SCNTL2 H L L L H H L H SCNTL3 L L H H H L L H SDRVU L Z H H Z L Z L SDRVV Z L L Z H H Z L SDRVW H H Z L L Z Z L Note: Z = High impedance Table 2 SMODE H H M L Note: Spindle Driver Mode Control SIPWM Duty ≥ 50% Duty ≤ 40% X X Spindle Driver Mode Linear Mode (High slew rate) * 2 Linear Mode (Low slew rate) * 2 Inductive Sense Mode B-EMF Sense in PWM Drive Mode 1. X = Don’t care 2. Slew rate mode is commutated at synchronized with the up edge of SLOPEC. Table 3 WDTIN H or L M M M VCM Control VPCNTL X H M L VCM Mode Park Enable Disable Park Table 4 TEMP H L Temp Output Status Warning or TSD Normal 4 HA13571FR Table 5 Output Status PORN Driver SPN Output VCM Output L Brake for Retract Retract (Power off) H Enable Enable TSD Inactive X X Active Z Z SLEEP * 3 L X X H Z Z TEMP L X X H Notes: 1. X = Don’t care 2. Z = High impedance 3. SLEEP SCNTL1 = SCNTL2 = SCNTL3 = Low WDTIN = VPCNTL = Middle 5 HA13571FR Table 6 SCNTL Input States SCNTL1 See Table 1 L H SCNTL Input States SCNTL1 X X X X SCNTL Input States SCNTL1 L SCNTL2 L SCNTL3 L Middle Z SCNTL2 X X X X SCNTL3 X X X X L or H Middle Middle Middle WDTIN Input State X H Z L VPCNTL Input State SCNTL2 See Table 1 L H SCNTL3 See Table 1 L H X X X WDTIN Input State X X X VPCNTL Input State SCNTL, WDTIN and VPCNTL Mode WDTIN Input State VPCNTL Input State Modes of Operation at Power Good (PORN = H) Spindle Driver Enable Disable Brake Modes of Operation at Power Good (PORN = H) VCM Driver Park Enable Disable Park Modes of Operation at Power Good (PORN = H) Spindle & VCM Driver Sleep Mode * Note: Sleep signal is generated by SCNTL and VPCNTL. TEMP output is depend on internal TSD and internal TEMP. (see figure 1) Tsoff TSD (Internal) Thys Twar TSD TEMP TEMP (Internal) TEMP TEMP (Output) TEMP output logic (1) TEMP output logic (2) Figure 1 TEMP Output Logic 6 HA13571FR Table 7 Function Spindle enable Spindle disable PORN low Park * 1 2 Function Powered on Vs Mode Operation UPPER BOOSTER ON ON OFF ON OFF UPPER DRIVERS .


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