LB11923V-TLM-E データシートの表示（PDF） - ON Semiconductor

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LB11923V-TLM-E

Three-Phase Brushless Motor Driver

ON Semiconductor 

LB11923V

PIN FUNCTIONS (continued)

Pin No.

Pin

Functions

5

BR

Brake control (short braking operation)

Low: 0 V to 1.0 V

High: 2.0 V to VCC

Goes high when left open.

High or open for brake mode operation.

The hysteresis is about 0.22 V.

Equivalent Circuit

VCC1

3.5 kW

5

6

N1

Switches the speed discriminator VCO divisor

count.

Low: 0 V to 1.0 V

High: 2.0 V to VCC

Goes high when left open.

The hysteresis is about 0.22 V.

VCC1

3.5 kW

6

7

N2

The speed discriminator count switching.

Low: 0 V to 1.0 V

High: 2.0 V to VCC

Goes high when left open.

The hysteresis is about 0.22 V.

VCC1

8

FGS

FG amplifier output (after the Schmitt circuit)

This is an open collector output.

VCC1

3.5 kW

7

8

9

LD

Speed lock detection output

This is an open collector output.

VCC1

Goes low when the motor speed is within the

speed lock range (±6.25%).

9

10

DOUT Speed discriminator output

Acceleration → high, deceleration → low

VCC1

10

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10

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