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Rohm Semiconductor Electronic Components Datasheet

BD65499MUV Datasheet

1-2ch Lens Drivers

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Datasheet
Driver for Digital Still Camera
1-2ch Lens Drivers
for SLRs (Single-lens Reflex)
BD65499MUV
General Description
The BD65499MUV motor driver provides built–in boost
converter and 1ch H-bridge FULL ON driver.
Integrated boost converter for high voltage and large
current H-bridge, especially designed for mobile system
piezoelectric element with a compact surface mount
package.
Features
„ Low ON resistance DMOS output
„ DC/DC boost converter
„ Output switching speed changeability
(DC/DC converter: 4 step, H-bridge: 2 step)
„ Charge pump less as using Pch DMOS for high-side
output (H-bridge)
„ Control input terminal available with 1.8V
„ With built-in Under Voltage Locked Out protection,
Thermal Shut Down, and Over Current Protection
circuit
Applications
„ Small mobile system
„ Home appliance
„ Amusement system, etc
Key Specifications
„ Power supply voltage (VCC):
„ Motor power supply voltage (VP):
„ Circuit current:
2.7 to 3.6V
4.0 to 27.0V
2.8mA(Typ.)
„ Stand-by current:
1µA (Max.)
„ Control input voltage:
„ Control input frequency:
0 to VCC V
300kHz(Max.)
„ Serial clock input frequency:
5MHz(Max.)
„ Turn On time:
150ns(Typ.)
„ Turn Off time:
50ns(Typ.)
„ H-bridge output current (DC):
500mA
„ Motor voltage supply output current (DC):
300mA
„ DC/DC converter switching frequency: 750kHz(Typ.)
„ Output ON resistance
DC/DC converter Nch. DMOS:
0.20(Typ.)
H-bridge (total):
0.60(Typ.)
„ Operating temperature range:
-30 to 85°C
Package
VQFN028V5050
W(Typ.) x D(Typ.) x H(Max.)
5.00mm x 5.00mm x 1.00mm
VQFN028V5050
Ordering Information
BD6 5 4 9 9MU V -
E2
Part Number
Package
Packaging and forming specification
MUV: VQFN028V5050 E2: Embossed tape and reel
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/22
TSZ02201-0H3H0B600320-1-2
3.AUG.2012 Rev.001


Rohm Semiconductor Electronic Components Datasheet

BD65499MUV Datasheet

1-2ch Lens Drivers

No Preview Available !

BD65499MUV
Datasheet
Block Diagram / Application Example
Power-saving
H : Active
L : Stand-by
Bypass filter capacitor
for power supply input
1100µF
VCC
24
PS 21
Power-saving
BandGap
Bypass filter capacitor
for power supply input
1100µF
TSD & UVLOVCC1 & UVLOVCC2
VBAT
3-wired serial
interface
SEN
SDATA
SCLK
18
19
20
1.83.3V
INPUT
5BIT
DAC
Serial data setting
for soft start
Serial
Interface
Serial data
Comparator
Power Good
OSC
PWM
LOGIC
ERR
Serial data
cl
CURRENT SENSE
10µH
Level Shift
&
Pre Driver
26
27 28
SWO
12
36
PGND
9 VP
10
100pF
ERRIN
22
ERROUT
23
3.3k
0.022µF
1.3k
Motor
control input
INA 17
INB 16
1.83.3V
INPUT
Serial data
Controller
Level Shift
&
Pre Driver
H-Bridge
INP 15
INN 13
Amp input
VCC
Amp
Serial data
1.8V OVP
Serial data
Power Good
TSD & UVLOVCC2
cl
CLCANCEL
Controller
REG1.8V
VCC
OUTPUT
CONTROL
25
GND
11
N.C.
Figure 1. Block diagram
4 OUTA
5
7
8 OUTB
STATE signal
logic output
12 STATE
14 AMPOUT
Amp output
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/22
TSZ02201-0H3H0B600320-1-2
3.AUG.2012 Rev.001


Part Number BD65499MUV
Description 1-2ch Lens Drivers
Maker ROHM
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BD65499MUV Datasheet PDF






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