HA13609ANT 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HA13609ANT

Three-Phase Brushless Motor Driver

Hitachi -> Renesas Electronics 

HA13609ANT

Timing in phase control mode

fMR'

A

A

≈ 3.6 V

Discriminator output

≈0V

ACC

ACC A × 4%

ACC A × 4%

ACC

≈ 3.6 V

PLL output

≈ 1.85 V

≈0V

ACC

Integrator output

ACC

∆Vo

DEC

DEC

Configuration of the speed control block when @MD9 = 1

Speed signal

D1

fMR’

fMR

Buffer

amplifier

SPEED CLK

fCLK

X’tal

D2

fOSC

CLK counter

Discriminator

counter setting

16

C2

R2

C1

Discriminator Charge

(1024 to 4095) pump

R1

19

R1

4Icp

Note: If possible, Tr and Tf for the SPEED CLK signal should be under 20 ns when using this circuit.

18

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