HA13557AFH
Combo (Spindle & VCM) Driver
ADE-207-234A (Z) 2nd.
Edition July 1997 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-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 Dr...