ON LB1933M Low-saturation bidirectional motor driver Datasheet

Ordering number : EN6505
LB1933M
Monolithic Digital IC
Low-saturation
Forward/Reverse Motor Drive
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Overview
The 1933M is a forward/reverse motor driver that supports low voltage drive and features low-saturation outputs in a
miniature package.
Features
• Low saturation output: VOsat=0.3V typ (IO=300mA)
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Symbol
Conditions
Ratings
Unit
VCC max
-0.3 to +10.5
V
VS max
-0.3 to +10.5
V
VS+VSF
V
Maximum Output applied voltage
VOUT
Maximum input applied voltage
VIN
Maximum output current
IGND
Per channel
Pd max1
Independent IC
550
mW
Pd max2
* Mounted on a specified board
800
mW
Allowable power dissipation
-0.3 to +10.0
V
1.0
A
Operating temperature
Topr
-30 to +75
°C
Storage temperature
Tstg
-40 to +150
°C
Note *: Mounted on a specified board: 30mm×30mm×1.5mm, glass epoxy
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Semiconductor Components Industries, LLC, 2013
June, 2013
22107 TI IM B8-3973 No.6506-1/5
LB1933M
Allowable Operating Ranges at Ta = 25°C
Parameter
Symbol
Power supply voltage range
Conditions
Ratings
Unit
VCC
2.2 to 7.5
V
VS
1.8 to 7.5
V
Input high-level voltage
VIH
1.8 to 7.5
V
Input low-level voltage
VIL
-0.3 to +0.7
V
Electrical Characteristics at Ta = 25°C, VS1=VS2=VCC=3V
Parameter
Symbol
Ratings
Conditions
min
Power current
ICCO
TOTAL, ENA=0V, VIN=0V
ICC
VCC, ENA=3V, VIN=3V
Unit
typ
max
0.1
10
μA
5
7
mA
16
25
mA
0.30
0.45
V
0.20
V
80
μA
80
μA
IS
VS1+VS2, ENA=3V, VIN=3V
VOsat1
ENA=3V, VIN=3V or 0V, IOUT=300mA
VOsat2
ENA=2.2V, VIN=2.2V or 0V, VCC=2.2V,
IIN
VS=2.0V, IOUT=150mA
VIN=3V
IENA
VENA=3V
Reverse current
IS (leak)
VCC=VS=7V
30
μA
Forward voltage
VSF
IOUT=400mA
1.7
V
Output saturation voltage
Input current
Spark killer diode
Package Dimensions
unit : mm (typ)
3111A
14
0.63
4.4
6.4
8
1
1.7MAX
7
0.35
0.15
0.1 (1.5)
1.0
SANYO : MFP14S(225mil)
Allowable Power Dissipation, Pd max - W
8.0
(1.0)
Pd max - Ta
1000
Mounted on a specified board:
30mm×30mm×1.5mm glass epoxy
800
600
400
200
0
--40
--20
0
20
40
60
Ambient Temperature, Ta -°C
75 80
100
ILB00046
No.6506-2/5
LB1933M
Pin Assignment
GND
ENA2
OUT3
VS2
OUT4
IN2
VCONT
14
13
12
11
10
9
8
LB1933M
1
2
3
4
5
6
7
VCC
ENA1
OUT1
VS1
OUT2
IN1
GND
Top view
Note: Connect both ground pins.
ILB00047
Truth Table
IN 1/2
ENA 1/2
OUT 1/3
OUT 2/4
Mode
L
H
H
L
Forward
H
H
L
H
Reverse
L
L
OFF
OFF
Standby
H
L
OFF
OFF
Standby
No.6506-3/5
LB1933M
Equivalent Circuit Block Diagram
10μF
VCC
VS2
1
11
VS1
4
50kΩ
IN1
OUT1
6
3
80kΩ
Stepping
Motor
Control block
5
50kΩ
ENA1
OUT2
2
80kΩ
Thermal shutdown
50kΩ
IN2
12
OUT3
9
80kΩ
Control block
10
OUT4
50kΩ
ENA2
13
80kΩ
GND
GND
7
14
8
Vcont
ILB00048
* There are no constraints on the relationship between the applied voltage to VCC, VS1, VS2, ENA1, ENA2, IN1, and
IN2 within the absolute maximum ratings (For example, this IC can be used at VCC=3V, VS1=VS2=2V, and
ENA=IN=5V)
No.6506-4/5
LB1933M
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PS No.6506-5/5
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