UNISONIC TECHNOLOGIES CO., LTD
F1836
Preliminary
LINEAR INTEGRATED CIRCUIT
LOW-SATURATION,
TWO-CHANNEL
BIDIRECTIONAL MOTOR
DRIVER IC FOR USE IN
LOW-VOLTAGE APPLICATIONS
DESCRIPTION
The UTC
F1836
is a bipolar stepper-motor driver IC for use in
low-voltage applications. And, It is a low-saturation two-channel
bidirectional motor driver IC which is ideal for use in cameras,
printers, and other portable devices.
FEATURES
* Operating under low voltage range (Minimum: 2.5V)
* Low saturation voltage (only 0.4V for 0.4A)
* Parallel connection (only 0.5V for 0.8A)
* Built-in Spark killer diodes
* Built-in Thermal shutdown Protection Function
* Separate motor power supply and logic power supply
* Brake function
* Compact package
ORDERING INFORMATION
Ordering Number
Lead Free
F1836L-S14-R
F1836L-S14-T
F1836L-S14-R
Halogen Free
F1836G-S14-R
F1836G-S14-T
Package
SOP-14
SOP-14
Packing
Tape Reel
Tube
(1)Packing Type
(2)Package Type
(3)Lead Free
(1) R: Tape Reel, T: Tube
(2) S14: SOP-14
(3) Halogen Free, L: Lead Free
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Copyright © 2012 Unisonic Technologies Co., Ltd
1 of 5
QW-R109-029.a
F1836
PIN CONFIGURATION
Preliminary
LINEAR INTEGRATED CIRCUIT
V
CC
1
IN1 2
OUT1 3
Vs 1 4
OUT2 5
IN2 6
GND 7
14 GND
13 IN3
12 OUT3
11 V
S
2
10 OUT4
9
8
IN4
V
CONT
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7, 14
8
9
10
11
12
13
PIN NAME
V
CC
IN1
OUT1
V
S
1
OUT2
IN2
GND
V
CONT
IN4
OUT4
V
S
2
OUT3
IN3
DESCRIPTION
Power Supply
The input of the channel 1
The output of the channel 1
The power supply of channel 1
The output of the channel 1
The input of the channel 1
Ground The ground potential of the IC
The output of a reference voltage
The input of the channel 2
The output of the channel 2
The power supply of channel 2
The output of the channel 2
The input of the channel 2
TRUTH TABLE
IN 1, 3
H
L
H
L
IN 2, 4
L
H
H
L
OUT 1, 3
H
L
L
OFF
OUT 2, 4
L
H
L
OFF
Mode
Forward
Reverse
Brake
Standby
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2 of 5
QW-R109-029.a
F1836
BLOCK DIAGRAM
Preliminary
LINEAR INTEGRATED CIRCUIT
V
CC
Thermal
shutdown
V
CONT
V
S
2
V
S
1
Output 1
Output 2
Reference
voltage
Ctrl 1
Ctrl 2
IN3
IN4
IN1
IN2
OUT1 OUT2
OUT3
OUT4
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QW-R109-029.a
F1836
PARAMETER
Preliminary
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATING
(T
A
=25°C)
RATINGS
UNIT
-0.3~+10.5
V
Supply Voltage
-0.3~+10.5
V
Output Voltage
V
S
+V
SF
V
Input Voltage
-0.3~+10
V
I
GND
Ground Pin Flow-Out current Per channel
1.0
A
Power Dissipation
With board (Note 2)
P
D
800
mW
Operating Temperature
T
OPR
-20~+75
°C
Storage Temperature
T
STG
-40~+125
°C
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. Mounted on 30×30×1.5 mm
3
glass epoxy PCB
SYMBOL
V
CC
V
S
V
OUT
V
IN
ALLOWABLE OPERATING RANGES
(T
A
=25°C)
PARAMETER
Supply Voltage
Input High-Level Voltage
Input Low-Level Voltage
SYMBOL
V
CC
V
S
V
IH
V
IL
RATINGS
2.5~9.0
1.8~9.0
1.8~9.0
-0.3~+0.7
UNIT
V
V
V
V
ELECTRICAL CHARACTERISTICS
(T
A
=25°C, V
CC
=V
S
=3V)
PARAMETER
Supply Current
SYMBOL
I
CC
0
I
CC
1
I
CC
2
V
OUT
1
V
OUT
2
V
OUT
3
V
OUT
4
V
O(SUS)
I
IN
I
S(LEAK)
V
SF
TEST CONDITIONS
V
IN
1, 2, 3, 4=0V, I
CC
+I
S
V
IN
1=3V, V
IN
2, 3, 4=0V, I
CC
+I
S
V
IN
1, 2=3V, V
IN
3, 4=0V, I
CC
+I
S
I
OUT
=200mA
I
OUT
=400mA
I
OUT
=400mA, parallel connection
I
OUT
=800mA, parallel connection
I
OUT
=400mA
V
IN
=2V, V
CC
=6V
V
CC
1, 2=9V
I
OUT
=400mA
MIN
TYP
0.1
14
22
0.2
0.4
0.25
0.5
MAX
10
20
35
0.28
0.6
0.35
0.7
80
30
1.7
UNIT
µA
mA
mA
V
V
V
V
V
µA
µA
V
Output Saturation Voltage
Output Sustaining Voltage
Input Current
Spark Killer Diode Reverse Current
Spark Killer Diode Forward Voltage
9
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4 of 5
QW-R109-029.a
F1836
Preliminary
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUIT
Note: There are no restrictions on the relationship of each voltage level in comparison with the others (regarding
which is higher or lower), as long as the voltages applied to V
CC
, V
S
1, V
S
2, and IN1 through IN4 are within the
limits set by the absolute maximum ratings. (Ex: V
CC
=3V, V
S
1, 2=2V, IN1 to IN4=5V)
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
Control
Thermal
shutdown
Control
5 of 5
QW-R109-029.a
Embedded System
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