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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
M50224FP
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
VDD
OSC
VDD H ( VB+3.5V) 0.36uF VDD H
DGND
BIAS TSD
LOGIC
VDDH
Charge Pump
CA 0.012 uF CB
LOGIC VA PD T Proportion REFERENCE GAIN AMP I/V TRANSFORM AMP IS CANCEL GAIN AMP AMP
VDD
100uF
VDD
VDD (5.0V)
LOGIC
COMPARATOR
2.2 10uF
VK 10 uF
REFERENCE
BCIN
1.25V: Tcon 47uH PGBC OUT3 RON: (op+Under) Zoom: Max 1.1 Film : Max 1.1 OUT2 M2 CH2
Film
OUT1 M1 CH1
Zoom
PG
VB tantalum capacitor - indispensable VB 1.6V ~ 3.5V
* The constant of external parts is an example.
10uF
Rev.1.0, Sep.19.2003, page 2 of 9
M50224FP
Absolute Maximum Ratings
(Ta=25C, unless otherwise noted)
Parameter Supply voltage1 Supply voltage2 Supply voltage3 Voltage between BCIN and PGBC Power dissipation Thermal derating Pin input Voltage Operating temperature Storage temperature Symbol VB VDD VDDH VDSS Pd K Vin Topr Tstg Ratings 3.5 6.5 VB+4.5 15 1000 -8.0 0 to VDD+0.3 -10 to 50 -40 to 150 Unit V V V V mW mW/C V C C Remark Note1 Note1 Note1 Note1 (VGS=0V) Note2 (Ta=25C) Note2 (Ta25C) Note3
note1: As a principle,do not provide reversely note2: Glass epoxy circuit board:70mm x70mm x1.6mm 1layer circuit board Cu Share 10% note3: As a principle,do not provide over supply voltage or under ground voltage
Thermal Derating (Maximum Rating) THERMAL DERATING (MAXIMUM RATING) 1200
- 8.0 mW/C
1000
1000
Remark Calculation of power dissipation Case : Iout x Iout x On resistance[transistor] . *Please refer to the above figure in the case that surroundings temperature exceeded 25C *Please add the radiation board, if it is necessary.
Rev.1.0, Sep.19.2003, page 3 of 9
POWER DISSIPATION Pd(mW)
800 600 400 200
800
0
20
40
60
80
100
120
140
160
Ta (C)
AMBIENT TEMPERATURE
M50224FP
I/O Circuit Diagram
* SEL1, SEL2, SEL3, SML1, SML2 VDD * OUT1, OUT2, OUT3 VB
OUT3
100
OUT1
OUT2
100K
* BCIN, PGBC
BCIN
* CA
VDDH
100
PGBC
* CB
VDD
* VA
VDD
100
* VK VDD
* AEOUT VDD
-
-
Rev.1.0, Sep.19.2003, page 4 of 9
M50224FP
Electrical Characteristics
(Ta =25C, VB=3.0V, VDD=5.0V, unless otherwise noted)
Limits Parameter Voltage range of operation Current at the time of standby
Consumption current
Symbol VB IB1 IDD1
Test condition
MIN 2.0
TYP 3.0 0.1
MAX 3.5 5
Unit V A mA
Note
SEL1:L SEL2:L SEL3:L Only a DC/DC circuit is turned ON. SEL1:H SEL2:L SEL3 :L DC/DC+AE+MD circuit ON SEL1:H SEL2:L SEL3 :H VIN=VDD=5.0V
-
Usual consuming current 1 Usual consuming current 2 Hi level input current Lo level input current Input pull down resistance Hi level input voltage Lo level input voltage Oscillation frequency DUTY Operating start Voltage Operating stop Voltage Output voltage Input stability Load stability Maximum output current Oscillation frequency DUTY Operating start Voltage Output voltage Operating voltage ON Resistance RVON 1 Maximum output current Continual maximum output current Turn on time Turn off time Output rise time Tr Output fall time Tf
IDD2 IIH IIL RIND VIH VIL fosc DUTY Vstart1 Vstop1 Vout Vout1 Vout2 Iout fosc2 DUTY2 Vstart2 Vout2 VBDCM RVON 1 Iomax Iocont TvON TvOFF Tr Tvf
25 -1.0 50 50 100 63 75 5.0 227 50 5.0 VB+3.3 0.75 0.5 0.1 0.3 0.01 100 200 VDD VDD x0.3 82 2.0 1.0 5.3 100 100 320 5.3 VB+4.5 3.5 1.1 2 0.5 1.0 0.2
mA A A K V V kHz % V V V mV mV mA kHz % V V V A mA s s s s Note4 Note3 Note2 Note1
Rev.1.0, Sep.19.2003, page 5 of 9
Input terminal DC/DC Circuit
Charge pump circuit
VDD=4.5 to 5.5V VDD=4.5 to 5.5V VDD=5.0V VDD=5.0V VB voltage VB voltage VDD voltage VB=2.0V to 3.3V IDD=50mA VB=2.85V IDD=100mA VB=2.85V VDD4.5V VDD=5.0V VDD=5.0V VDD voltage VDDH voltage VB voltage Io=0.5A, VB=3V, VDD=5V, VDDH=5.5V T < ***S
VDDx0.7 0 44 4.7 100 150 4.5 VB+2.6 1.6 1.8 500
Motor driver(1, 2)
RM=5.0 Fig. 1
-
M50224FP (Ta =25C, VB=3.0V, VDD=5.0V, unless otherwise noted)
Limit Parameter Temperature output absolute value Temperature output power supply voltage change 1 Temperature output power supply voltage change 2 Temperature output voltage load change The amount of temperature output change Input range Light measurement output absolute value The amount of change per two step Output linearity 1 Output linearity 2 Output linearity 3 Output linearity 4 Power supply response thermole shutdown temperature Symbol VTE dVTE1 VDD=5.5V Test condition MIN . -45 TYP 2713 MAX 3392 45 Unit mV mV Note
T S D
Note1: Note2: Note3: Note4:
Note5: A shipment test is not performed although the TSD circuit characteristic presents reference data.
Rev.1.0, Sep.19.2003, page 6 of 9
AE circuit (Thermometer)
dVTE2
VDD=4.5V
-45
-
45
mV
dVTE3 dVTE4
Io=-0.2mA The Amount of Change (-10 to 50C)
-20 -22.7
-22.0
20 -19.1
mV mV
IA VAE IA=10nA
50p
1914
120u
A mV
AE circuit (Light measurement circuit)
dEVA1 DEVS1 DEVS2 DEVS3 DEVS4 Trs TTSD
IA=10nA -> 40nA IA=50pA to 1.6nA IA=1.6nA to 410nA IA=410nA to 13.1A IA=13.1A to 120A IA=50pA Tip temperature in case H bridge output turns off -30 -23 -23 -30 -
-242 150 30 23 23 30 50
mV % % % % ms C Note5
Input terminal : 11 to15 PIN L=47H, C=100uF Since it is a power supply only for the insides of IC, please do not connect a charge pump circuit to others. The sum of upper and lower sides side ON resistance. ON resistance is changed with VB, VDD, and VDDH voltage.
M50224FP
100%
SML
50% 0%
tON tOFF
50%
tON tOFF
100% 90% 50% I DR 0%
tf
100% 90% 50% 10%
10% - 10% - 50% - 90% - 100%
tr tf
- 10% - 50%
tr
- 90%
Fig 1 H bridge part switching characteristic waveform SEL Truth value table
SEL1 L H H H H L L L *1. SEL2 L L L H H L H H SEL3 L L H H L H H L The contents of control Standby Only a DC/DC circuit is turned ON (*note) DC/DC + AE circuit ON + motor1 contorol (AEOUT: right out) DC/DC + AE circuit ON + motor2 contorol(AEOUT: right out) DC/DC + AE circuit ON + shutter contorol(AEOUT : temperature out) Only AE circuit ON (AEOUT: right out) Only AE circuit ON (AEOUT: right out) Only AE circuit ON (AEOUT : temperature out)
SEL1:DC/DC and Charge pump contorol (L=OFF, H=ON)
* Note
(INPUT) H
SEL1 SEL2 SEL3
(OUTPUT)
L H L H L 5V
VDD
VB VB+2.5V
Rippuru width changes with IDD and VB.
VDDH
0V
MIN:10mS
MIN:10mS
MD Operation OK
MIN:10mS MD Operation OK
AE Operation OK
Rev.1.0, Sep.19.2003, page 7 of 9
M50224FP Motor control Truth value table
INPUT SEL1 MOTOR1 Control H H H MOTOR2 Control H H H H Shutter Control H H H H H *: SEL2 L L L L H H H H H H H H SEL3 H H H H H H H H L L L L SML1 L H L H L H L H L H L H SML2 L L H H L L H H L L H H MOTOR1 Standby Forward Rotation Reverse Brake Standby Standby Standby Standby Standby Standby Standby Standby MOTOR2 Standby Standby Standby Standby Standby Forward Rotation Reverse Brake Standby Standby Standby Standby Shutter Standby Standby Standby Standby Standby Standby Standby Standby Standby Forward Rotation Reverse Brake MOTOR Each output OUT1 OFF L H H OFF OFF OFF OFF OFF OFF OFF OFF OUT2 OFF H L H OFF H L H OFF OFF OFF OFF OUT3 OFF OFF OFF OFF OFF L H H OFF L H H
Please pass through the Brake or Stand-by mode by all means in case of moving from forward rotation to Reverse rotation or from Reverse rotation to forward rotation by the motor control. (ex.) Forward rotation -> Brake -> Reverse rotation,Reverse rotation -> Stand-by -> Forward rotation
Rev.1.0, Sep.19.2003, page 8 of 9
M50224FP
20P2F-A
MMP
JEDEC Code -- e b2
11
Plastic 20pin 255mil SSOP
Weight(g) -- Lead Material Cu Alloy
EIAJ Package Code SSOP20-P-255-0.65
20
Package Dimensions
HE
E
L1
L
Rev.1.0, Sep.19.2003, page 9 of 9
F Recommended Mount Pad Symbol
1 10
A
G
D
A2 e
b
A1
x
M
y
c
A A1 A2 b c D E e HE L L1 z Z1 x y Detail F b2 e1 I2
z Detail F
Z1
e1
Dimension in Millimeters Min Nom Max 1.45 -- -- 0.2 0.1 0 -- 1.15 -- 0.32 0.22 0.17 0.2 0.15 0.13 6.6 6.5 6.4 4.5 4.4 4.3 -- 0.65 -- 6.6 6.4 6.2 0.7 0.5 0.3 -- 1.0 -- -- 0.325 -- -- -- 0.475 -- -- 0.13 0.1 -- -- -- 0 10 -- 0.35 -- -- 5.8 -- -- 1.0 --
I2
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