TDE1891

® 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 COMMON 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 extremely rugged and specially suitable for industrial automation applications. July 1998 1/12 TDE1890 - TDE1891 PIN CONNECTION (Top view) 11 10 9 8 7 6 5 4 3 2 1 D93IN022 OUTPUT SUPPLY VOLTAGE OUTPUT N.C. N.C. GND OUTPUT STATUS INPUT INPUT + DIAGNOSTIC 2 DIAGNOSTIC 1 GND OUTPUT OUTPUT N.C. SUPPLY VOLTAGE SUPPLY VOLTAGE N.C. OUTPUT OUTPUT GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 GND OUTPUT STATUS INPUT INPUT + N.C. DIAGNOSTIC 2 DIAGNOSTIC 1 N.C. N.C. GND D93IN021 Note: Output pins must be must be connected externally to the package to use all leads for the output current (Pin 9 ...