SI9993CS データシートの表示（PDF） - Vishay Semiconductors

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SI9993CS

12-V VCM/Spindle Motor Driver for Large Capacity HDD

Vishay Semiconductors 

PIN CONFIGURATION

Si9993CS

Vishay Siliconix

PIN DESCRIPTION

Pin No.

Name

1

2

3

4

5

6

7

8

9

10

11

12, 13, 14, 25,

26, 34, 35, 36,

58, 64

15

16

17

RESETVCM

HS-

LS-

PGATE

HSA

LSA

HSB

LSB

HSC

LSC

IPDATA

GND

IPENABLE

IPCLK

PWMOUT

Type

Digital, Input

Analog, Output

Analog, Output

Analog, Output

Analog, Output

Analog, Output

Analog, Output

Analog, Output

Analog, Output

Analog, Output

Digital, I/O

Function

Direct RESET to bit D6 of REG0. Force head retract sequence if in normal

operation.

Connection to gate of negative VCM high-side driver

Connection to gate of negative VCM low-side driver

Connection to gate of external PMOSFET used to isolate VCLAMP during

emergency head retract.

Connection to gate of spindle 0-A high-side driver

Connection to gate of spindle 0-A low-side driver

Connection to gate of spindle 0-B high-side driver

Connection to gate of spindle 0-B low-side driver

Connection to gate of spindle 0-C high-side driver

Connection to gate of spindle 0-C low-side driver

Bi-directional data path for the serial port

Supply

Chip substrate ground

Digital, Input

Digital, Input

Digital, Output

Strobe input for data word. System commands are executed at the falling edge of

IPENABLE.

Clock input for the serial port

Digital output of stand-alone PWM driver

FaxBack 408-970-5600, request 70653

www.siliconix.com

S-60752–Rev. A, 05-Apr-99

7

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