HA13605A データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA13605A

Three-Phase Brushless Motor Driver

Hitachi -> Renesas Electronics 

HA13605A

External Components

Part No.

Recommended Value Purpose

Notes

R1, R2

—

Integration constants

1

R101, R102

—

Hall bias

9

R103, R104

—

FG amplifier gain setting

2, 8

R105, R106

10 kΩ

Used in interfacing

R107

4.7 kΩ

Booster stabilization

11

R108

—

Oscillator feedback resistor

10

RNF

—

Current detection

3

C1, C2

—

Integration constants

1

C101, C102, C103 0.047 µF

Stabilization

C104

≥ 0.1 µF

Power supply bypass

C105

—

Determines the FG amplifier band

5

C106

—

FG amplifier AC coupling

6

C107, C108

—

Oscillator circuit elements

10

C109

≥ 300 pF

Booster capacitance

11

C110

≥ 47 µF

Stabilization

Ct

—

PWM oscillator time constant

4

X’tal

—

CLK oscillator

7

D1, D2, D3

—

Regenerative current path

D4

—

Used in interfacing

Notes: 1. Use the following formulas to determine target values for these constants.

ωo

≤

2πfFG

20

(rad/s)

R2 = 7.7JωoNoRmVosc

R1 KTVR1 (2Vps – 0.83VE)

3.0 kΩ ≤ R1 ≤ 15 kΩ

C1 =

1

1

10 • ωoR2

(F)

C2 = 10C1

(F)

Where:

ωo: Control loop angular frequency

fFG: FG frequency

J: Moment of inertia of the motor

No: Rotation speed

Rm: Motor coil resistance

KT: Torque constant

VE: Motor reverse voltage at speed No

Vps: Power supply voltage

Vosc: PWM oscillator amplitude

(Hz)

(kg•m2)

(rad/s)

(Ω/T•T)

(N•m/A)

(VPP/T•T)

(V)

2.2 (VPP: See the electrical characteristics table.)

8

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