Hitachi HA13557AFH
This COMBO Driver for HDD application consists of Sensorless Spindle Driver and BTL type VCM Driver.| Part No. | HA13557AFH |
|---|---|
| Datasheet | HA13557AFH Download |
| Manufacturer |  Hitachi |
| Description | Combo (Spindle & VCM) Driver |
| Buy | Stock & Price |
DESCRIPTION
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-48T (QFP48 Pin) Low thermal resistance: 30°C/W with 4 layer multi glass-epoxy board Low output saturation voltage Spindle 1.44 V Typ (@1.8 A) VCM 1.0 V Typ (@1.0 A) Functions
●
●
●
●
●
●
●
●
●
● 2.2 A Max/3-phase motor driver 1.5 A Max BTL VCM Driver Auto retract Soft Switching Matrix Start up circuit Booster Speed Discriminator Internal Protector (OTSD, LVI) POR Power monitor HA13557AFH Pin Arrangement RS RETON RETPOW Vpsv LVI2 GND GND OPIN(–) VCTL OPIN(+) RESINH VREF1 42 41 40 39 38 37 36 COMPOUT 35 NC* 34 NC* 33 GAIN 32 VCMENAB 31 GND TAB 48 47 46 45 44 43 VBST VCMP VCMN BC2 BC1 GND 1 2 3 4 5 6 TAB TAB GND W RNF PCOMP CT V 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 30 GND 29 POR 28 SPNENAB 27 READY 26 CLOCK 25...
