BD6373GW 查看數據表（PDF） - ROHM Semiconductor

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BD6373GW

6ch System Lens Drivers for Digital Still Cameras / Single-lens Reflex Cameras

ROHM Semiconductor 

BD6373GW, BD6873KN, BD6753KV

Technical Note

●Application Circuit Diagram and Function Explanation

Bypass filter Capacitor for

power supply input. (p.14/16)

Motor control input

(p.8/16)

ENABLE12 C2

INPUT1 D2

INPUT2 E3

1～100uF

VCC

F3

TSD & UVLO

Logic12

Level Shift

&

Pre Driver

Motor control input

(p.8/16)

Motor control input

(p.8/16)

Motor control input

brake function (p.8/16)

H : Brake

Motor control input

(p.8/16)

Motor control input

brake function (p.8/16)

H : Brake

ENABLE34 D3

INPUT3 B3

INPUT4 B4

INPUT5 C5

BRAKE5 D4

INPUT6 E4

BRAKE6 D5

Logic34

Logic5

Logic6

Level Shift

&

Pre Driver

Level Shift

&

Pre Driver

F4

GND

BandGap

H bridge

Full ON

H bridge

Full ON

H bridge

Full ON

H bridge

Full ON

H bridge

Full ON

H bridge

Full ON

Bypass filter Capacitor for

power supply input. (p.14/16)

1～100uF

F2

VM12

E2 F1

OUT1A

M

E1 OUT1B

D1 OUT2A

C1 OUT2B

B1 PGND12

1～100uF

A2

VM34

A1 B2

OUT3A

M

A3 OUT3B

A4

OUT4A

A6 B5 OUT4B

A5 PGND34

1～100uF

F5

VM56

C6

OUT5A

D6 OUT5B

E6

OUT6A

E5 F6 OUT6B

B6 PGND56

Bypass filter Capacitor for

power supply input. (p.14/16)

Bypass filter Capacitor for

power supply input. (p.14/16)

Fig.18 BD6373GW Application Circuit Diagram

1) Power-saving function

When Low-level voltage is applied to PS pin, the IC will be turned off internally and the circuit current will be 0μA (Typ.).

During operating mode, PS pin should be High-level. (See the Electrical Characteristics; p.2/16)

2) Motor Control input

(1) ENABLExx and INPUTx pins (BD6373GW), INxA, INxB, EN1 and IN6 pins (BD6873KN), and PWMx pins (BD6753KV)

These pins are used to program and control the motor drive modes. (See the Electrical Characteristics; p.2/16 and

p.3/16 and I/O Truth Table; p.12/16 and p.13/16)

(2) SELx pins (BD6873KN)

When the Low-level voltage is applied to the SELx pins, the I/O logic can be set to EN/IN mode. However, when the

High-level voltage is applied, the I/O logic can be set to IN/IN mode. The same selection made with the BD6873KN's

SELx pin can be made for the BD6753KV, using serial control. (See the Electrical Characteristics; p.2/16 and p.3/16

and I/O Truth Table)

(3) BRAKEx pins (BD6373GW) and BRK1 pin (BD6873KN)

Applying the High-level voltage pin will set the brake mode. The same selection made with the brake mode can be

made for the BD6753KV, using serial control. (See the Electrical Characteristics; p.2/16 and p.3/16 and I/O Truth

Table; p.12/16 and p.13/16)

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8/17

2009.06 - Rev.A

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