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M50224FP Datasheet

1.5 Channel Motor Driver

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M50224FP
1.5 Channel Motor Driver·with DC/DC Control
REJ03F0070-0100Z
Rev.1.0
Sep.19.2003
Description
M50224FP is the semiconductor integrated circuit which builds in the Motor drive circuit and DC/DC circuit suitable
for the camera etc.
1.5 H bridges, the DC/DC circuit of 5VDC/DC, and AE operation circuit were built in one tip by adoption of a detailed
CMOS process.
The reduction in power consumption and the miniaturization are considered as the high composition of the flexibility
realized with one chip.
Features
Minute CMOS process acceptance.Low consumption
1.5 full swing voltage drive H Bridge circuit built-in (PWM drive correspondence)
DC/DC circuit built-in of 5V
One AE operation circuit built-in AE (A sensor corresponds to amorphous and SPD)
Low voltage incorrect operation prevention circuit thermole shutdown circuit built-in
A thermometer, with a power save function
Application
motor driver for cameras etc
Recommend Operating Condition
Supply voltage range........ VB:1.6V to 3.5V
Rated supply voltage VB:3.0V
Rev.1.0, Sep.19.2003, page 1 of 9


Renesas Electronics Components Datasheet

M50224FP Datasheet

1.5 Channel Motor Driver

No Preview Available !

www.DataSMh5e0et242U4.cFomP
Pin Configuration
1
VB
CA
CB
OUT3
OUT2
OUT1
PG
BCIN
PGBC
VDD
10
20
VDDH
DGND
VA
VK
AEOUT
SEL1
SEL2
SEL3
SML1
SML2
11
Outline : 20P2F
Block Diagram
A control input pin is the inverter input of a 100Kohm pull down. H -- it is active and functions
Circuit operation
selection
SEL1 SEL2 SEL3
AE output
Thermometer output
AEOUT
Motor control signal
SML1
SML2
CPU for control
LOGIC
DGND
BIAS
TSD
VDDH
LOGIC
VA
PD
VK
10
uF
I/V TRANSFORM IS CANCEL GAIN
AMP
AMP
AMP
T Proportion
REFERENCE
GAIN
AMP
LOGIC
OUT3
RON: (op+Under)
Zoom: Max 1.1
Film : Max 1.1
* The constant of external parts is an example.
OUT2
M2
CH2
Film
OUT1
M1
CH1
Zoom
PG
OSC
VDD
VDD H
( VB+3.5V) 0.36uF
VDD H
Charge
Pump
CA
0.012 uF
CB
VDD
VDD
COMPARATOR
LOGIC
REFERENCE
1.25V: Tcon
VDD
(5.0V)
100uF
2.2
BCIN
10uF
PGBC
47uH
VB
tantalum capacitor indispensable
10uF
VB
1.6V ~ 3.5V
Rev.1.0, Sep.19.2003, page 2 of 9


Part Number M50224FP
Description 1.5 Channel Motor Driver
Maker Renesas Technology
Total Page 10 Pages
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