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PDF R2A30445NP Data sheet ( Hoja de datos )
| Número de pieza | R2A30445NP | |
| Descripción | 2-Channel Motor Driver IC | |
| Fabricantes | Renesas | |
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Under Development Datasheet
R2A30445NP
2-Channel Motor Driver IC for DSC, DVC and Surveillance Cameras
R19DS0066EJ0090
Rev.0.90
May 10, 2012
Overview
The R2A30445NP is a semiconductor integrated circuit that incorporates driver
circuits suitable for motor of digital cameras.
Features
An ultra-fine CMOS process has been adopted for low power consumption
in a design.
5.0mmx5.0mm QFN (0.5mm pitch)
Built-in of 2CH H-bridge (with a FS/BTL selectable function).
BTL has a selectable built-in DAC control capable of 10bit accuracy.
Hall device drive, built-in Hall output computation circuit.
8bitDAC built-in for various offset adjustments.
Selection of 2 line serial communication (I2C) and 3 line serial
communication (SPI) is possible.
For I2C, the input interface control voltage is compatible with 1.8V system.
Built-in power-on reset circuit, reference voltage, prevention from low-
voltage malfunction and thermal shutdown circuit.
Application
Motor driver for digital still cameras
Recommended operating conditions
Power-supply voltage range VM/AVCC: 2.7V~5.5V
DVDD: 2.7V~3.6V
Rated power-supply voltage VM: 5.0V
AVCC/DVDD: 3.25V
Block diagram and application circuit example
Pin Configuration (top view)
Outline: 32QFN (5.0x5.0mm t=1.0mm(Max))
32
1
AOUT1
AIN3
AOUT3
AVCC
DVDD
SEL1
VM
IN1A
8
25
24
AOUT2
AIN4
AOUT4
AGND
DGND
CS
SDAT
SCLK
17
9 16
Note)
- The terminals (lead) is located on the package underside.
- There is heat dissipation PAD at the center underside of
the package.
- SEL2 terminal is connected with DGND with a wire.
DVDD
Power
supply
MCU
Serial Control Signals
(2 lines/3 lines)
Control Signal
(1,2CH)
VM
Power
supply
DVDD
Power ON
Reset
AVCC
BIAS
Low voltage detection
TSD
VREF(1.25V)
1.5V
2.5V 3.0V
AVCC
SEL2
N
Serial Control Logic
BTL internal
DAC control
10bit 10bit
DAC DAC
Control
Circuit
VM
1CH
BTLAMP
H-Bridge
FS/CV
OUT1A
OUT1B
2CH
BTLAMP
H-Bridge
FS/CV
OUT2A
OUT2B
1.5V
/3.0V
8bit
DAC
2.5V/3.0VAVCC
+
8bit
DAC
–
DGND
AGND
+
–
Hall
Current
Amp 1
2.5V/3.0V/AVCC
1.5V
/3.0V
8bit
DAC
+
–
8bit
+ DAC
– Hall Amp 1 1.5V
+
+
–
–
General-
purpose
Amp 3
Hall
Current
Amp 2
PGND
+
– Hall Amp 2
1.5V
+
–
General-
purpose
Amp 4
AVCC
Power
supply
The specifications are subject to change without notice.
When it is examined for use, please confirm that this is the latest version.
R19DS0066EJ0090 Rev.0.90
May 10, 2012
Page 1 of 4
1 page  
Notice
1. Descriptions of circuits, software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples. You are fully responsible for
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