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TDE1767, A TDE1787, A
INTERFACE CIRCUIT (RELAY AND LAMP-DRIVER)
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 VCC OUTPUT VOLTAGE CAN BE LOWER THAN GROUND (VCC - VO VCC[max])
Minidip
DESCRIPTION The TDE1767, A/TDE1787, A 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. The devices operates over a wide range voltages from standard 15 V operational amplifier supplies to the single +6V or +48V used for industrial electric systems. Input voltages can be higher than in the VCC. 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. THERMAL DATA
Symbol R th (j - c) Rth (j - a) Parameter Maximum Junction-case Thermal Resistance
ORDERING NUMBERS : TDE1767 DP TDE1767 ADP TDE1787 DP TDE1787 ADP
PIN CONNECTION (top view)
Value 30 80
Unit C/W C/W
Maximum Junction-ambient Thermal Resistence
* Devices bonded on a 40 cm2 glass-epoxy printed circuit 0.15 cm thick with 4 cm2 of copper.
March 1993
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ABSOLUTE MAXIMUM RATINGS
Symbol VCC VID Vl IO Vl(reset) IOA Ptot Toper T stg Parameter Supply Voltage Input Differential Voltage Input Voltage Output Current Reset Input Voltage Alarm Output Current Power Dissipation Operating Ambient Temperature Range Storage Temperature Range TDE1767A/TDE1787A 60 60 - 10 to + 60 1.3 - 0.5 to + 60 - 10 to + 20 TDE1767/TDE1787 50 50 - 10 to + 50 1.2 - 0.5 to + 50 - 10 to + 20 Unit V V V A V mA mW C C
Internally Limited - 25 to + 85 - 65 to + 150 - 25 to + 85 - 65 to + 150
SCHEMATIC DIAGRAM
EQUIVALENT SCHEMATIC
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Figure 1.
ELECTRICAL CHARACTERISTICS (Unless otherwise specified) TDE1767A: - 25 C Tamb + 85C, + 6 V VCC + 55 V, Io 500 mA, Tj + 150C TDE1767: - 25 C Tamb + 85C, + 6 V VCC + 45 V, I o 500 mA, Tj + 150C TDE1787A: - 25 C Tamb + 85C, + 6 V VCC + 55 V, Io 300 mA, Tj + 150C TDE1767A: - 25 C Tamb + 85C, + 6 V VCC + 45 V, Io 300 mA, Tj + 150C
Symbol VIO ICC Input Offset Voltage - (note 1) Power Supply Current (measured on pin 4) Output High (Tamb = + 25 C) Output High (VCC = VCC(max), Tj = + 150 C) Output Low (VCC = VCC(max), Tamb = + 25 C) IIB VCM Vl ISC Input Bias Current Common-mode Input Voltage Range Input Voltage Range (Vref + 1 V) (figure 1, note 2) Short-circuit Output Current (VCC = + 35 V, t = 10 ms) RSC = 0.22 RSC = 0.33 Vsense VO(sat) TDE1767A TDE1787A 130 120 700 380 150 140 170 165 mV V -4 5 1 1 1.1 1.1 -5 10 2 1.4 10 1.1 1.2 1.2 1.3 100 40 A V A A mA TDE1787A, TDE1767A TDE1787, TDE1767 TDE1787A, TDE1767A TDE1787, TDE1767 1 1 0 0 5.8 5 1.5 15 8 7 4 100 60 45 60 45 A V V mA Parameter Min. Typ. 2 Max. 50 Unit mV mA
Output Limit Sense Voltage : VO = VCC - 2 V, t = 10ms (VO = VCC - 2 V) : V O = 0 V, t = 10 ms Output Saturation Voltage (output high Vl+ - Vl- 50 mV, RSC = 0, VCC = + 30 V) Tj= + 25C Tj = + 150 C TDE1787A, TDE1767A TDE1787, TDE1767 TDE1787A, TDE1767A TDE1787, TDE1767
IOL IA
Output Leakage Current (output low) Available Alarm Output Current Output Source Current (VAH = VCC - 2.5 V) Output Slnk Current (in thermal shut-down) VA = 1.4 V Reset Input Current Reset Threshold Output Leakage Current (open ground)
Ireset Vth (reset) -
Notes: 1. The offset voltage given is the maximum value of different input voltage reguired to drive the output voltage whitin 2 V of the ground or the supply voltage. 2. Input voltage range is indipendent of the supply voltage.
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Figure 2. PEAK SHORT-CIRCUIT vs LIMITING RESISTOR. Figure 3. AVAILABLE OUTPUT CURRENT vs LIMITING RESISTOR.
Figure 4. POWER SUPPLY CURRENT (pin 4).
Fig.ure 5. OUTPUT SATURATION VOLTAGE vs OUTPUT CURRENT.
Figure 6. OUTPUT TRANSISTOR SAFE OPERATING AREA (pulsed)
Figure 7. NORMAL OPERATING AREA (short circuit protected)
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ALARM OUTPUT CAPABILITY CURRENT
Figure 8. CURRENT SINKING.
Figure 9. CURRENT SOURCING
Figure 10. REPONSE TIME
Figure 11. REPONSE TIME
Figure 12 : Test Circuit.
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TYPICAL APPLICATION Figure 13. Open Load Detection.
Figure 14. Driving Lamps, Relays, Etc...
Figure 15. Common Reset.
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Figure 16. Parallel Driving of Loads Up to 1 A.
USING ALARM OUTPUT Figure 17. Parallel Alarm Outputs.
Figure 18. Led to VCC.
Figure 19. Led to Ground.
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Figure 20. Interface between High oltage and Low Voltage System.
Figure 21. Increasing Current Up to 10 A.
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MINIDIP PACKAGE MECHANICAL DATA
DIM. MIN. A a1 B b b1 D E e e3 e4 F I L Z 3.18 7.95 2.54 7.62 7.62 6.6 5.08 3.81 1.52 0.125 0.51 1.15 0.356 0.204 1.65 0.55 0.304 10.92 9.75 0.313 0.100 0.300 0.300 0.260 0.200 0.150 0.060 mm TYP. 3.32 0.020 0.045 0.014 0.008 0.065 0.022 0.012 0.430 0.384 MAX. MIN. inch TYP. 0.131 MAX.
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Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.
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