TPIC2404
INTELLIGENT-POWER QUAD LOW-SIDE SWITCH
SLIS007A D3299, AUGUST 1989 REVISED MAY 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Copyright
1993, Texas Instruments Incorporated
21
1-A Current Capability Per Channel
45-V Inductive Switching Voltage Capability
Current Sink Inputs Compatible With TTL
or CMOS Devices
Output Clamp Diodes for Inductive
Transient Protection
Independent Thermal Shutdown Protection
Overvoltage Shutdown Protection
Independent Channel Current Limit
Error Sensing
Extended Temperature Range of 40
C
to 125
C
description
The TPIC2404 is a monolithic high-voltage
high-current quadruple low-side switch especially
designed for driving from low-level logic to peripheral loads such as relays, solenoids, motors, lamps, and other
high-voltage high-current loads. The high-efficiency power switch is optimized for applications where a very
rugged power switch is required. The device tolerates power supply transients and reverse battery conditions
up to 13 V.
The TPIC2404 features four inverting open-collector outputs controlled by a common-enable input. When
ENABLE is low, the outputs are disabled. An error-sensing circuit monitors load and device faults. When an error
is sensed, the FAULT output goes to a low state. In addition, the device features on-board V
CC
overvoltage and
thermal overload protection circuits, and the outputs are current limit protected.
FUNCTION TABLE
INPUTS
OUTPUTS
ENABLE
A
Y
FAULT
H
H
L
H
Normal operation
H
L
H
H
L
X
H
H
Open load
H
L
L
L
Open load
H
H
L
H
Short to GND
H
L
L
L
Short to GND
H
H
L
H
Overvoltage shutdown
H
H
H
L
Overvoltage shutdown
H
L
H
H
Thermal shutdown
H
H
H
L
Thermal shutdown
H
L
H
H
Short to VCC
H
H
H
L
Short to VCC
H
L
H
H
H = high level, L = low level, X = irrelevant
KN PACKAGE
(TOP VIEW)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
4A
4Y
3, 4 CLAMP
3Y
3A
ENABLE
GND
V
CC
2A
2Y
1, 2 CLAMP
1Y
1A
FAULT
The tab is electrically connected to the GND pins.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
TPIC2404
INTELLIGENT-POWER QUAD LOW-SIDE SWITCH
SLIS007A D3299, AUGUST 1989 REVISED MAY 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
22
logic symbol
1Y
2Y
1, 2 CLAMP
3 Y
4 Y
3, 4 CLAMP
Overvoltage
Shutdown
1A
&
G1
G2
G3
G4
5
6
7
8
ENABLE
EN
&
Overtemperature
Shutdown
CLAMP
= 1
Z5
A
2A
3A
4A
FAULT
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
logic diagram (positive logic)
1Y
VCC
Overvoltage
Shutdown
Overtemperature
Shutdown
1.5-Amp
Max Limit
1, 2 CLAMP
2Y
3Y
3, 4 CLAMP
4Y
FAULT
ENABLE
1A
2A
3A
4A
3
4
5
11
12
13
1
7
2
6
10
14
9
Overtemperature
Shutdown
Overtemperature
Shutdown
Overtemperature
Shutdown
1.5-Amp
Max Limit
1.5-Amp
Max Limit
1.5-Amp
Max Limit
TPIC2404
INTELLIGENT-POWER QUAD LOW-SIDE SWITCH
SLIS007A D3299, AUGUST 1989 REVISED MAY 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
23
schematics of inputs and outputs
VCC
EQUIVALENT OF EACH A INPUT
EQUIVALENT OF EACH Y OUTPUT
Input
Input
Voltage
Regulator
CLAMP
Output
GND
VCC
EQUIVALENT OF ENABLE INPUT
EQUIVALENT OF FAULT OUTPUT
ENABLE
GND
FAULT
GND
Voltage
Regulator
TPIC2404
INTELLIGENT-POWER QUAD LOW-SIDE SWITCH
SLIS007A D3299, AUGUST 1989 REVISED MAY 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
24
absolute maximum ratings over operating temperature range (unless otherwise noted)
Supply voltage range, V
CC
(see Note 1)
13 V to 24 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, V
I
0.6 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, V
O
(see Note 2)
0.6 V to 45 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output sustaining voltage, V
O(sust)
45 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output sink current (repetitive, t
w
< 8 ms), I
OL
(see Note 3)
1.5 A
. . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp-diode voltage, V
OK
45 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total dissipation at (or below) 25
C case temperature (see Note 4)
50 W
. . . . . . . . . . . . . . . . . . . .
Operating case or virtual junction temperature range
55
C to 150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
65
C to 150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTES: 1. All voltage values are with respect to network GND.
2. For a fault condition to be valid, the output voltage needs to be a minimum of 7 V.
3. Output sink current is limited by the overcurrent limit.
4. For operation above 25
C free-air or case temperature, refer to Figures 1 and 2. To avoid exceeding the design maximum virtual
junction temperature, these ratings should not be exceeded. Due to variations in individual device electrical characteristics and thermal
resistance, the built-in thermal overload protection can be activated at power levels slightly above or below rated dissipation.
50
40
30
20
10
150
125
100
75
50
0
60
TC Case Temperature
C
25
0
25
TA Free-Air Temperature
C
3
0
50
75
100
125
150
0.5
1
1.5
2
2.5
PD
T
otal Continuous Dissipation W
FREE-AIR TEMPERATURE
DISSIPATION DERATING CURVE
CASE TEMPERATURE
DISSIPATION DERATING CURVE
Derating Factor = 20 mW/
C
R
JA = 50
C/W
P
D
PD
T
otal Continuous Dissipation W
P
D
R
JC = 2.5
C/W
Derating Factor = 0.4 W/
C
TJ = 150
C
Figure 1
Figure 2
TPIC2404
INTELLIGENT-POWER QUAD LOW-SIDE SWITCH
SLIS007A D3299, AUGUST 1989 REVISED MAY 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
25
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC
9
12
16
V
High-level input voltage, VIH
2
5.5
V
Low-level input voltage, VIL
0.3
0.8
V
Peak output voltage from external inductive kickback
45
V
Continuous output sink current
1
A
FAULT output sink current
75
A
Operating free-air temperature, TA
40
125
C
The algebraic convention, in which the least positive (most negative) value is designated as minimum, is used in this data sheet for logic voltage
levels.
electrical characteristics over recommended ranges of operating free-air temperature and supply
voltages (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO = 12 V,
ENABLE low
15
100
A
IO(off)
Off-state output current
VO = 45 V,
ENABLE high
0.6
2
mA
(
)
VO = 12 V,
ENABLE high
200
400
600
A
IIL
Low-level input current
VI = 0 to 0.8 V
10
25
40
A
IIH
High level input current
A inputs
10
25
60
A
IIH
High-level input current
ENABLE
0.2
1
mA
IOL = 100 mA
0.1
0.15
VOL
Low level output voltage
IOL = 500 mA
0.3
0.55
V
VOL
Low-level output voltage
IOL = 1 A
0.8
1.3
V
FAULT output, IOL = 30
A
0.2
0.4
IOL
Low-level output current
FAULT output, VOL = 1 V to 5.5 V
50
90
125
A
IR(K)
Clamp-diode reverse current
Vr = 50 V,
VO = 0
100
A
VF(K)
Clamp diode forward voltage
If = 1 A
2
V
VF(K)
Clamp-diode forward voltage
If = 1.5 A
2.5
V
Outputs off,
ENABLE low
0.25
ICC
Supply current
Outputs on,
TA = 40
C
120
mA
Outputs on,
TA = 25
C to 125
C
100
operating characteristics over recommended operating free-air temperature and supply voltages
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
High-level output sense voltage threshold
7
V
Low-level output sense voltage threshold
3
V
Overvoltage shutdown
25.5
31
V
Overvoltage shutdown hysteresis
0.25
V
Overcurrent limiting
TA = 40
C
1.85
A
Overcurrent limiting
TA = 25
C to 125
C
1.2
1.5
A
Thermal shutdown
155
C
Thermal shutdown hysteresis
15
C
Turn-on time
8
s
Turn-off time
8
s
All typical values are at VCC = 12 V, TA = 25
C.
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