tde1787 STMicroelectronics, tde1787 Datasheet

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tde1787

Manufacturer Part Number
tde1787
Description
Interface Circuit Relay And Lamp-driver
Manufacturer
STMicroelectronics
Datasheet

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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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tde1787 Summary of contents

Page 1

... CC[max] 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 ...

Page 2

... Contents Contents 1 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 Electrical characteristcs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 Schematic diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Using alarm output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 8 Mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2/16 TDE1767 - TDE1787 ...

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 current O V Reset input voltage l(reset) I Alarm output current OA P Power dissipation ...

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 supply current CC I Imput bias current IB Common-mode input V CM voltage range V Input voltage range ...

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 input voltage reguired to drive the output voltage whitin the ground or the supply voltage. ...

Page 6

... KΩ 1.1KΩ 300Ω KΩ KΩ AMP - THERMAL PROTECTION l(max) 0 The reference input can be the inverting or non-inverting one TDE1767 - TDE1787 1 600 20 2KΩ Ω KΩ 5KΩ 300 20 pF 2KΩ 1.8 KΩ KΩ KΩ CURRENT LIMIT ...

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 +25˚ +150˚ Figure 5. D03IN1479 V = +30V CC T amb = +25˚C 0.3 0.4 0.5 0.6 0.7 R (Ω) L Figure 7. D03IN1481 I = 0.5A O Output high Output low 30 40 ...

Page 8

... V (V) S Figure 11. Current sourcing D03IN1485 T = +25˚C amb Alarm output after thermal shutdown (V) O Figure 13. Response time D03IN1487 t(µs) TDE1767 - TDE1787 Normal operating area (short circuit protected (Ω) no short circuit protection 0.1 0.2 0.3 0.4 0.5 0 sync (mA +25˚C ...

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 R 2 ≥ 100mV D03IN1492 CURRENT LIMITING INPUT ALARM OUTPUT GROUND 5.6KΩ Typical application 0.22Ω ...

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 - TDE1787 D03IN1494 V CC 0.15Ω ref + D03IN1495 ...

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 Using alarm output D03IN1496 11/16 ...

Page 12

... 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 + RESET RESET ALARM OUTPUT 100KΩ (max) GROUND TDE1767 - TDE1787 ≥+ LOW VOLTAGE SYSTEM D03IN1499 V CC 0.01Ω D03IN1500 ...

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 the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label ...

Page 14

... 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 7.95 9.75 2.54 7.62 7.62 6.6 5.08 3.18 3.81 1.52 TDE1767 - TDE1787 Inch Min Typ Max 0.131 0.020 0.045 0.065 0.014 0.022 0.008 0.012 0.430 0.313 0.384 0.100 0.300 0.300 0.260 0.200 0.125 0.150 0.060 ...

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

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 16/16 Please Read Carefully: © 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com TDE1767 - TDE1787 ...

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