BD65499MUV datasheet(2/26 Pages) ROHM

Part #	BD65499MUV

Description	1-2ch Lens Drivers for SLRs (Single-lens Reflex)

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Manufacturer	ROHM [Rohm]

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Datasheet

2/22

TSZ02201-0H3H0B600320-1-2

3.AUG.2012 Rev.001

www.rohm.com

TSZ22111・15・001

BD65499MUV

●Block Diagram / Application Example

INN

VCC

OUTA

OUTB

H-Bridge

VP

PGND

SWO

LOGIC

VBAT

ERR

REG1.8V

VCC

ERROUT

OSC

CURRENT SENSE

ERRIN

Power Good

PS

Power-saving

Comparator

Controller

GND

Amp

AMPOUT

STATE

INP

INA

INB

Power Good

TSD & UVLOVCC2

VCC

Serial data

Serial data setting

for soft start

5BIT

DAC

Serial data

OUTPUT

CONTROL

cl

TSD & UVLOVCC1 & UVLOVCC2

SDATA

SEN

SCLK

Serial

Interface

Serial data

Level Shift

&

Pre Driver

Level Shift

&

Pre Driver

CLCANCEL

1.8～3.3V

INPUT

Serial data

cl

PWM

10µH

100pF

3.3k

Ω

0.022µF

1.3k

Ω

1.8V OVP

Serial data

N.C.

BandGap

Controller

1～100µF

1.8～3.3V

INPUT

Power-saving

H : Active

L : Stand-by

Bypass filter capacitor

for power supply input

Bypass filter capacitor

for power supply input

3-wired serial

interface

STATE signal

logic output

Amp output

Amp input

Motor

control input

21

18

19

20

17

16

15

13

24

26

28

27

22

23

25

11

14

12

10

9

1

2

3

6

4

5

7

8

Figure 1. Block diagram

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