HITACHI HA13408

HA13408
9-Channel Power Driver
ADE-207-206 (Z)
1st Edition
July 1996
Description
The HA13408 9-channel power driver IC is designed to drive dot matrix printer head. This IC can drive 9
pins without using any external components. HA13408 can be used for 2 system four-phase step drive, as
every channel is used independently.
Features
•
•
•
•
•
•
•
•
High output current: 1.5 A/channel Max
High sustaining voltage: 50 V Min
Low saturation voltage
Low supply current
Low input current
Compatible with TTL, LSTTL & 5 V CMOS
Low thermal resistance package
Zener diodes
Truth Table
Input
Output
Low
On
High
Off
Open
Off
HA13408
Block Diagram
VCC2
24 V ± 10%
VCC1 4 to 6 V
2
Out 1
IN 1
1
4
Out 2
IN 2
3
6
Out 3
IN 3
7
8
5
GND
9
IN 4 10
Out 4
Out 5
11
IN 5 12
Out 6
15
IN 6 14
13
17
IN 7 16
GND
Out 7
Out 8
21
IN 8 18
Out 9
23
IN 9 20
19
22
TAB
GND
2
GND
HA13408
Peak Current and Turn-Off Time
Figure 1 shows load current (Iout) and output terminal voltage (Vout) waveforms for the HA13408 driving an
inductive load.
Hi
Low
Vin
ton
T
IP
0
Iout
tsus
VCE(sus)
Vout
VCC2
VCE(sat)
Figure 1 Output Waveforms
The peak output current (Ip) and sustain time (tsus) are obtained as follows;
IP =
VCC2 – VCE(sat)
R
tsus =
1 – exp –
R
ton
L
. V
=. CC2
R
1 – exp –
L
IP • R
ln 1 +
R
VCE(sus) – VCC2
R
ton
L
(1)
(2)
Where L is load self-inductance and R is load direct current resistance.
For example, under the following conditions:
L = 5 mH,
R = 22 Ω
Supply voltage VCC2 = 24 V,
Time to drive load ton = 0.42 ms.
Peak current (Ip) and sustain time (tsus) are then:
IP = 0.87 A
3
HA13408
tsus = 0.118 ms
Where VCE(sat) = 1.3 V typ and VCE(sus) = 52 V typ.
Power Dissipation
Power dissipation driving an inductive load for an HA13408 is determined as follows:
First, average power dissipation (Pon) per channel at ton is obtained as follows:
.
Pon =. VCE(sat) IP
VCC2
1
–
R • IP
ton
L
R
(3)
Average power dissipation (Psus) at t sus :
.
Psus =. VCE(sus) IP
L
VCE(sus) – VCC2
1
–
R • IP
tsus R
(4)
Where IP and tsus are obtained in equations (1) and (2).
Average power dissipation (P T ) per channel for a period is obtained as follows:
. 1
PT =.
T
(Pon • ton + Psus • tsus)
(5)
Where drive period is defined as T.
Power dissipation (PT ) for 9 channels driven at the same time:
. 9
PT =.
T
(Pon • ton + Psus • tsus)
(6)
4
HA13408
Application
+5 V
+24 V
2
MPU
4
1
6
3
8
10
12
7
9
11
14
16
15
17
18
21
20
23
22 19 13 5
Printer
Head
Tab
5V
2
MPU
4
1
6
3
8
10
12
7
9
11
14
16
15
17
18
21
20
23
22 19 13 5
Tab
Figure 2 Dot Matrix Printer
5
Stepper for
Head Feeder
Stepper for
Paper Feeder
HA13408
Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Rating
Unit
Supply voltage
VCC1
7.0
V
Input voltage
VI
VCC1
V
Output voltage
VCE(sus)
50
V
Output current
IO
1.5
A
Power dissipation
PT
20
W
Junction temperature
Tj
150
°C
Operating junction temperature range Tjop
–20 to +125
°C
Storage temperature range
–55 to +125
°C
Tstg
Notes: 1. Thermal resistance
Notes
1
θ j – a ≤ 40°C/W
θ j – c ≤ 3°C/W
Electrical Characteristics (Ta = 25°C, VCC1 = 5 V)
Item
Symbol Min
Typ
Max
Unit
Test Conditions
Input Low voltage
VIL
—
—
0.8
V
VCC1 = 4.0 V
Input High voltage
VIH
2.0
—
—
V
VCC1 = 6.0 V
Input Low current
I IL
–100
–15
+10
µA
VI = 0 V
Input HIgh current
I IH
–10
0
+10
µA
VI = 2.4 V
Supply current
I CCO
—
30
45
mA
All V I = 2.4 V
I CC
—
33
50
mA
All V I = 0 V
Output cut off
current
I CEO
—
—
1.0
mA
VCC1 = 6 V, VCC2 = 40 V, VI =2 .0 V
Output saturation
voltage
VCE(sat)
—
1.6
2.2
V
VCC1 = 4 V, IO = 1.0 A, VI = 0.8 V
Output sustaining
voltage
VCE(sus)
50
—
—
V
I O = 1.0 A
Delay time
t PLH
—
1.5
5
µs
Turn OFF
t PHL
—
0.3
5
µs
Turn ON
Note:
1. The conditions of loading; Measure at Ls = 5 mH, Rs = 22 Ω.
6
Note
1
HA13408
Package Dimensions
Unit: mm
31.0 Max
28.0 ± 0.3
3.8 Max
9.0
11.2 ± 0.3
7.7
3.6 ± 0.2
23
1.27
0.6 ± 0.1
1.80 ± 0.25
2.54
5.0 Min
6.2 Min
23.97 ± 0.30
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
7
2.2 ± 0.5
14.7 Max
1
1.23 ± 0.25
1.5 Max
12.33 ± 0.45
20.0 ± 0.2
4.1 ± 0.3
+ 0.10
– 0.05
φ 3.6 ± 0.2
0.25
30.0
SP-23TA
—
—
4.61 g
Cautions
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intellectual property rights, in connection with use of the information contained in this document.
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received the latest product standards or specifications before final design, purchase or use.
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contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly
for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
consequential damage due to operation of the Hitachi product.
5. This product is not designed to be radiation resistant.
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products.
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