HA13557AFH Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

Número de pieza

componentes Descripción

Fabricante

HA13557AFH

Combo (Spindle & VCM) Driver

Hitachi -> Renesas Electronics 

HA13557AFH

Pin Description (cont)

Pin Number Pin Name

34

NC

35

NC

36

COMPOUT

37

VREF1

38

RESINH

39

OPIN (+)

40

VCTL

41

OPIN (–)

42, TAB, 43 GND

44

LVI2

45

Vpsv

46

RETPOW

47

RETON

48

RS

Function

No function

No function

Comparator output to detect the direction of output current on VCM driver

Regulated voltage output to be used as reference of peripheral ICs

Used for inhibiting the restart function of the spindle motor driver after power

down

Non inverted input of OP.Amp. to be used for filtering the signal on PWMOUT

OP.Amp. output, this signal is used as control signal for VCM driver output

Inverted input of OP.Amp. to be used for filtering the signal on PWMOUT

Ground pins

Sensing input for power monitor circuitry

Power supply for VCM driver

Power supply for retract circuitry

To be attached the base terminal of external transistor for retracting

Sensing input for output current on VCM driver

4

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