Forward/Reverse Motor Driver with Brake
Overview
The LB1640N is a motor driver IC with a forward/reverse
control feature. This IC is optimal for driving motors used in
front-loading VCRs and auto-reverse cassette decks.
Features
.
Brake function on chip
.
Dash current absorption diode on chip
.
Broad operating voltage range (4 to 18 V)
.
Direct drive made possible by TTL
Package Dimensions
unit : mm
3046B-SIP10F
[LB1640N]
SANYO : SIP10F
Specifications
Absolute Maximum Ratings
at Ta = 25 C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
CC
20
V
Input voltage
V
IN
0.3 to V
CC
V
Output current
I
O
max
t = 5 ms, with cycle time of 5 sec. or more
1.6
A
Allowable power dissipation
Pd max
No heat sink
2.5
W
When using heat sink ( 100 x 100 x 1.5 mm
3
)
7.0
W
Operating temperature
Topr
25 to +75
C
Storage temperature
Tstg
55 to +125
C
Allowable Operating Ranges
at Ta = 25 C
Parameter
Symbol
Ratings
Unit
Supply voltage
V
CC
4 to 18
V
High-level input voltage
V
IH
3 to V
CC
V
Low-level input voltage
V
IL
0.3 to +0.4
V
Output current
I
O
500 to +500
mA
Forward
Reverse inhibit time
T
OFF
10 or longer
s
Ordering number: EN 1357D
Monolithic Digital IC
LB1640N
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
51695HA(II) No.1357-1/3
Electrical Characteristics
at Ta = 25 C, V
CC
= V
CC
' = 12 V
Parameter
Symbol
Output
min
typ
max
Unit
Supply Current
I
CC
V
I
1 or V
I
2 = 3 V , R
L
=
, V
CC
= V
CC
' = 16 V
40
mA
High-level output voltage
V
OH
1
V
I
1 or V
I
2 = 3 V , I
O
= 300 mA
10.8
V
V
OH
2
V
I
1 or V
I
2 = 3 V , I
O
= 500 mA
10.7
V
Low-level output voltage
V
OL
1
V
I
1 or V
I
2 = 3 V , I
O
= 300 mA
0.5
V
V
OL
2
V
I
1 or V
I
2 = 3 V , I
O
= 500 mA
0.65
V
Interoutput voltage
V
O
1-V
O
2
V
I
1 or V
I
2 = 3 V , I
O
= 300 mA
10.3
V
Input voltage
V
I
I
I
= 500 A
3
V
Output leakage current
I
O Leak
V
CC
= V
CC
' = 20 V
V
IN
1 = V
IN
2 = 0 V, V
O
= 20 V or 0 V
100
A
Control Modes
Input
Output
Remarks
1
2
1
2
0
0
--
--
Open
1
0
1
0
Forward
0
1
0
1
Reverse
1
1
0
0
Brake
Equivalent Circuit Block Diagram
Sample Application Circuit
Input logic
Note: Do not use the NC pin.
In brake mode (when inputs
1 and 2 are both ``1'')
In forward mode
(when input 1 or 2 is ``1'')
Supply voltage, V
CC
- V
Supply
current,
I
CC
-m
A
High-level
output
voltage,
V
OH
-V
Output current, I
O
- A
LB1640N
No.1357-2/3
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment,
nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or
indirectly cause injury, death or property loss.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
1
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors
and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and
expenses associated with such use:
2
Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO
ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume
production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use
or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of May, 1995. Specifications and information herein are subject to change without notice.
Infinite heat sink
No heat sink
Low-level
output
voltage,
V
OL
-V
Output current, I
O
- A
Allowable
power
dissipation,
Pd
max
-
W
Ambient temperature, Ta - C
Input
current,
I
IN
-
A
Input voltage, V
IN
- V
LB1640N
No.1357-3/3
PDF 
ZIP