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BU24031GW Arkusz danych(PDF) 1 Page - Rohm

Numer części BU24031GW
Szczegółowy opis  u-step System Lens Driver for Digital Still Cameras
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Producent  ROHM [Rohm]
Strona internetowa  http://www.rohm.com
Logo ROHM - Rohm

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○Product structure:Silicon monolithic integrated circuit ○This product is not designed for protection against radioactive rays
.
1/20
TSZ02201-0M2M0BC12010-1-2
© 2013 ROHM Co., Ltd. All rights reserved.
2.May.2013 Rev.003
TSZ22111・14・001
www.rohm.com
Datasheet
System Lens Drivers
μ-step System Lens Driver
for Digital Still Cameras
BU24031GW
●General Description
BU24031GW is a system Lens Driver that uses μ-step
driving to make the configuration of the sophisticated,
high precision and low noise lens driver system possible.
This IC has a built-in driver for both DC motor and voice
coil motor and a μ-step controller that decreases CPU
power. Therefore, multifunctional lens can be applied.
●Features
Built-in 5 channels Driver block.
1ch-4ch: Voltage control type H-bridge
(Adaptable to STM 1systems)
5ch: Current control type H-bridge
Built-in 2 channels PI driving circuit
Built-in 3 channels Waveforming circuit
Built-in FLL digital servo circuit
Built-in PLL circuit
●Applications
Digital still cameras
●Key Specifications
I/O Power Supply Voltage:
1.62V to 3.6V
Digital Power Supply Voltage:
2.7V to 3.6V
Driver Power Supply Voltage:
2.7V to 5.5V
Output Current (1ch-5ch):
±500mA(Max)
Input Clock Frequency:
1MHz to 28MHz
FET ON Resistance (1ch-4ch):
2.0
Ω(Typ)
FET ON Resistance (5ch):
1.0
Ω(Typ)
Operating Temperature Range:
-20℃ to +85℃
●Package
UCSP75M2
2.50mm x 2.50mm x 0.85mm
●Typical Application Circuit
Example1
I
1ch
Driver
2ch
Driver
3ch
Driver
4ch
Driver
Photo interrupter
Logic
MVCC12
MGND
M
OUT1A
OUT1B
OUT2A
OUT2B
OUT3A
OUT3B
DVDD
DVSS
OUT4A
OUT4B
OUT5A
OUT5B
RNF5
DVDDIO
MVCC3
MVCC4
VDDAMP
5ch
Driver
Main Host


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