HA13571FR Datasheet | Hitachi Semiconductor

Description The HA13571FR is bination 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 mutation structure - Low output saturation voltage  Spindle motor driver  VCM driver - Built-in PWM DAC with filter - Low noise drive by soft switching 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 SP 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 Block Diagram 5V 0.1µF 12V 34kΩ 470p F 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 SDRVU 80 SDRVV 1 SDRVW 72 75,76 74 10 79 SISINK - + LOGIC DECODER DISABLE ONE SHOT 0.75VCC5 INDUCTANCE MODE PWM MODE LINEAR...