HA13561F

HA13561F Combo (Spindle & VCM) Driver ADE-207-182 (Z) 1st Edition July 1996 Description This COMBO Driver for HDD application consists of Sensorless Spindle Driver and BTL type VCM Driver. Bipolar Process is applied and a “Soft Switching Circuit” for less commutation noise and a “Booster Circuit’ for smaller Saturation Voltage of Output Transistor are also implemented. Features Soft Switching Driver Small Surface Mount Package: FP-80E (QFP80 Pin) Low thermal resistance: 35°C/W with 6 layer multi glass-epoxy board Low output saturation voltage  Spindle 0.8 V Typ (@1.0 A)  VCM 0.8 V Typ (@0.8 A) Functions 1.8 A Max/3-phase motor driver 1.2 A Max BTL VCM Driver Auto retract Soft Switching Matrix Start up circuit Booster Speed Discriminator Internal Protector (OTSD, LVI) POR Power monitor HA13561F Pin Arrangement RETON RETPOW Vpsv LVI2 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 VBST VCMP VCMN BC2 BC1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 RS TAB OPIN(-) VCTL OPIN(+) RESINH VREF1 60 COMPOUT 59 NC* 58 NC* 57 GAIN 56 VCMENAB 55 54 53 52 51 50 49 48 47 46 45 POR 44 SPNENAB 43 READY 42 CLOCK 41 CNTSEL TAB TAB W RNF PCOMP CT V 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 U C-PUMP CLREF R1 Vpss TAB *NC : No internal connection Please note that there is no isolation check between pin 58 and pin 59 at the testing of this IC. (Top View) 2 Vss LVI1 DELAY COMM POLSEL HA13561F Pin Description Pin Number...