TDE1787ADP STMicroelectronics, TDE1787ADP Datasheet

IC RELAY & LAMP DRIVER 8-DIP

TDE1787ADP

Manufacturer Part Number
TDE1787ADP
Description
IC RELAY & LAMP DRIVER 8-DIP
Manufacturer
STMicroelectronics
Type
Relay/Lamp Driverr
Datasheet

Specifications of TDE1787ADP

Input Type
Differential
Number Of Outputs
1
Current - Peak Output
1.3A
Voltage - Supply
6 V ~ 55 V
Operating Temperature
-25°C ~ 85°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Supply Current
8 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 65 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output / Channel
-
On-state Resistance
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-5422-5
TDE1787ADP

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Table 1.
Features
Description
The TDE1767, TDE1767A, TDE1787, TDE1787A
are a monolithic amplifiers designed for high
current and high voltage applications, specifically
to drive lamps, relays, stepping motors.
The devices are assentially blow-out proof. The
output is prois protected from short-circuits with
the positive supply or drive. In addition thermal
shut down is provited to keep the IC from
overheathing.
If internal dissipation becomes too high, the driver
will shut down to prevent excessive heating. The
output stays null after the overheating is off, if the
reset input is low. If high the output will
alternatively switch-on and off until the overload is
removed.
March 2007
Open ground protection
High output current
Adjustable short-circuit protection
Internal thermal protection with external reset
Large supply voltage range
Alarm output
Input voltage can be higher than V
Output voltage can be lower than ground
(V
CC
- V
TDE1767ADP
TDE1787ADP
O
Part number
Device summary
TDE1767DP
TDE1787DP
≤ V
CC[max]
)
CC
Interface circuit (relay and Lamp-driver)
Package
Rev 2
DIP8
DIP8
DIP8
DIP8
The devices operates over a wide range voltages
from standard 15V operational amplifier supplies
to the single +6V or +48V used for industrial
electric systems. Input voltages can be higher
than in the V
An alarm output suitable for driving a LED is
provited. This LED, normally on (if referred to
ground), will die out or flash during an overload
depending on the state of the reset input.
The output is low in open ground conditions.
CC
.
DIP-8
Packaging
Tube
Tube
Tube
Tube
TDE1767
TDE1787
www.st.com
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TDE1787ADP Summary of contents

Page 1

... Table 1. Device summary Part number TDE1767DP TDE1767ADP TDE1787DP TDE1787ADP March 2007 Interface circuit (relay and Lamp-driver) CC The devices operates over a wide range voltages from standard 15V operational amplifier supplies to the single +6V or +48V used for industrial electric systems. Input voltages can be higher ...

Page 2

Contents Contents 1 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

TDE1767 - TDE1787 1 Pin connections Figure 1. Pin connection (top view) 2 Maximum ratings 2.1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol V Supply voltage CC V Input differential voltage ID V Input voltage l I Output ...

Page 4

Electrical characteristcs 3 Electrical characteristcs TDE1767A: - 25°C ≤ T TDE1767: - 25°C ≤ T TDE1787A: - 25°C ≤ T TDE1787: 25°C ≤ T Unless otherwise specified. Table 4. Electrical characteristics Symbol Parameter V Input offset voltage IO I Power ...

Page 5

TDE1767 - TDE1787 Table 4. Electrical characteristics (continued) Symbol Parameter Available alarm output I A current I Reset input current reset V Reset threhold th-reset Output leakage current Note: 1 The offset voltage given is the maximum value of different ...

Page 6

Schematic diagrams 4 Schematic diagrams Figure 2. Schematic diagram - + 2 3 8.4KΩ Figure 3. Equivalent schematic INPUTS ALARM OUTPUT RESET V 6/16 210Ω 3KΩ 10 3.6KΩ KΩ 1.1KΩ 300Ω KΩ KΩ AMP - ...

Page 7

TDE1767 - TDE1787 5 Typical characteristics Figure 4. Peak short-circuit vs limiting resistor I CS (A) 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 0.1 0.2 Figure 6. Power supply current (pin (mA) T ...

Page 8

Typical characteristics Figure 8. Output transistor safe operating area (pulsed (A) 1.2 1.0 0.8 0.6 0.4 0 Figure 10. Current sinking I sync (mA ...

Page 9

TDE1767 - TDE1787 6 Typical application Figure 14. Test circuit Figure 15. Open load detection.4 Figure 16. Driving lamps, relays, etc... V +30V 1.4V D03IN1489 ≥ 50mV ...

Page 10

Typical application Figure 17. Common reset. Figure 18. Parallel driving of loads 10/ OUTPUT + RESET RESET GROUND ALARM 100KΩ (max) 0.15Ω ref + V i RESET 100KΩ (max) TDE1767 - ...

Page 11

TDE1767 - TDE1787 7 Using alarm output Figure 19. Parallel alarm output Figure 20. LED to VCC Figure 21. LED to ground 10KΩ ALARM SIGNAL 5.6KΩ D03IN1497 5.6KΩ D03IN1498 ...

Page 12

Using alarm output Figure 22. Interface between high voltage and low voltage system. ≤+50V V CC Figure 23. Increasing current up to 10A. 12/16 +1<V <+50 I HIGH VOLTAGE 0<V <+50 SYSTEM CURRENT LIMITING - OUTPUT + ...

Page 13

TDE1767 - TDE1787 8 Mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on ...

Page 14

Mechanical data Table 5. DIP-8 Mechanical data Dim Figure 24. Package dimensions 14/16 mm Min Typ Max 3.32 0.51 1.15 1.65 0.356 0.55 0.204 0.304 10.92 ...

Page 15

TDE1767 - TDE1787 9 Revision history Table 6. Revision history Date 20-Sep-2003 3-Mar-2007 Revision 1 Initial release. 2 Document reformatted, typo Revision history Changes Figure 1 on page 3 15/16 ...

Page 16

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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