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ST Microelectronics |
TDE1890
® TDE1891
2A HIGH-SIDE DRIVER
INDUSTRIAL INTELLIGENT POWER SWITCH
2A OUTPUT CURRENT
18V TO 35V SUPPLY VOLTAGE RANGE
INTERNAL CURRENT LIMITING
THERMAL SHUTDOWN
OPEN GROUND PROTECTION
INTERNAL NEGATIVE VOLTAGE CLAMPING
TO VS - 50V FOR FAST DEMAGNETIZATION
DIFFERENTIAL INPUTS WITH LARGE COM-
MON MODE RANGE AND THRESHOLD
HYSTERESIS
UNDERVOLTAGELOCKOUT WITH HYSTERESIS
OPEN LOAD DETECTION
TWO DIAGNOSTIC OUTPUTS
OUTPUT STATUS LED DRIVER
DESCRIPTION
The TDE1890/1891 is a monolithic Intelligent
Power Switch in Multipower BCD Technology, for
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
MULTIWATT11 MULTIWATT11V PowerSO20
(In line)
ORDERING NUMBERS:
TDE1891L
TDE1890V
TDE1890D
TDE1891V
driving inductive or resistive loads. An internal
Clamping Diode enables the fast demagnetization
of inductive loads.
Diagnostic for CPU feedback and extensive use
of electrical protections make this device ex-
tremely rugged and specially suitable for indus-
trial automation applications.
July 1998
1/12
TDE1890 - TDE1891
PIN CONNECTION (Top view)
11 OUTPUT
GND
1
10 SUPPLY VOLTAGE
9 OUTPUT
OUTPUT
2
8 N.C.
7 N.C.
OUTPUT
N.C.
3
4
6
GND
SUPPLY VOLTAGE
5
5
OUTPUT STATUS
SUPPLY VOLTAGE
6
4 INPUT -
N.C.
7
3 INPUT +
OUTPUT
8
2
DIAGNOSTIC 2
OUTPUT
9
1 DIAGNOSTIC 1
GND
10
D93IN022
20 GND
19 OUTPUT STATUS
18 INPUT -
17 INPUT +
16 N.C.
15 DIAGNOSTIC 2
14 DIAGNOSTIC 1
13 N.C.
12 N.C.
11 GND
D93IN021
Note: Output pins must be must be connected externally to the package to use all leads for the output current (Pin 9 and 11 for Multiwatt
package, Pin 2, 3, 8 and 9 for PowerSO20 package).
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
VS – VO
Vi
Vi
Ii
IO
Ptot
Top
Tstg
EI
Parameter
Supply Voltage (Pin 10) (TW < 10ms)
Supply to Output Differential Voltage. See also VCl (Pins 10 - 9)
Input Voltage (Pins 3/4)
Differential Input Voltage (Pins 3 - 4)
Input Current (Pins 3/4)
Output Current (Pin 9). See also ISC (Pin 9)
Power Dissipation. See also THERMAL CHARACTERISTICS.
Operating Temperature Range (Tamb)
Storage Temperature
Energy Induct. Load TJ = 85°C
Value
50
internally limited
-10 to VS +10
43
20
internally limited
internally limited
-25 to +85
-55 to 150
1
Unit
V
V
V
V
mA
A
W
°C
°C
J
THERMAL DATA
Symbol
Rth j-case
Rth j-amb
Description
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Max.
Max.
Multiwatt
1.5
35
PowerSO20
1.5
–
Unit
ÉC/W
ÉC/W
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