HA13561 View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

Manufacturer

HA13561

Combo (Spindle & VCM) Driver

Hitachi -> Renesas Electronics 

HA13561F

External Components

Parts No.

Recommended Value Purpose

Note

R1a

(R1a + R1b) ≥ 10 kΩ

V/I converter

1, 4, 6

R1b

(R1a + R1b) ≥ 10 kΩ

R2

—

Integral constant

3

R3 to R8

—

PWM filter

9

R101, R102

—

Setting of LVI1 voltage

7

R103, R104

—

Setting of LVI2 voltage

7

R105

5.6 kΩ

Pull up

R108

—

Limitation for Retract current

12

RS

1.0 Ω

Current sensing for VCM Driver

10

Rnf

—

Current sensing for Spindle Driver

1

RX

—

C1, C2

—

Reduction for gain peaking

11

Integral constant

3

C3 to C6

—

PWM filter

9

CX

C101

—

Reduction for gain peaking

11

≥ 0.1 µF

Power supply by passing

C102

≥ 0.1 µF

Power supply by passing

C103

—

Oscillation for start-up

6

C104

0.22 µF

for booster

C105

2.2 µF

for booster

C106

—

Delay for POR

8

C109

≥ 0.1 µF

Power supply by passing

C110, C111

0.33 µF

Phase compensation

Qret

—

Retract Driver

12

D1

—

Protection for Qret

12

D2

TBD

Protection for parasitic phenomena

Notes: 1. Output maximum current on spindle motor driver Ispnmax is determined by following equation.

Ispnmax =

R1b

• VR1

[A]

R1a + R1b RNF

(1)

where, VR1: Reference Voltage on Pin 24 [V] (= 1.3)

2. Input clock frequency fclk on pin 42 is determined by following equation.

fclk =

4

5

• NO • P • D1 • (CNT – 0.5)

[Hz]

(2)

where, NO: Standard rotation speed [rpm]

P: Number of pole

D1: Dividing ratio on divider 1

13

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