NTE1892 & NTE1892A Integrated Circuit Dual Bi−Directional Motor Driver with Brake Function and Thermal Shutdown Description: The NTE1892 and NTE1892A are bi−directional motor drivers in a 12−Lead SIP type package and consists of two full bridge drivers designed for use in a two DC motor control circuit. Features: D Two Separate Full Bridge Drivers (Only one circuit can be switched by the Select (SE) Input). D Wide Operating Voltage Range: VCC = 4V to 16V D TTL, PMOS, CMOS Outputs, Capable of Direct Drive D Low Output Saturation Voltage D Built−in Clamp Diode D High Output Drive Current: IOmax = ±2A D Braking Mode Input D Internal Thermal Shutdown Protection Applications: D Audio Tape Deck Player D Radio/Cassette Player D Video Cassette Recorder D Home Equipment Use Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage 1, VCC(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5V to +18V Supply Voltage 2 (NTE1892 Only, Note 1), VCC(2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5V to +18V Driver Supply Voltage, VCC′ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5V to +18V Input Voltage, Vi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to VCC V Output Voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −2V to VCC+2.5V Peak Output Current (top = 10ms, relative cycle 0.2Hz Max), IOmax NTE1892 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±2.0A NTE1892A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1.2A Continuous Output Current 1, IO(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 330mA Continuous Output Current 2 (NTE1892 Only, Note 1), IO(2) . . . . . . . . . . . . . . . . . . . . . . . . ± 600mA Power Dissipation (TA = +75°C), PD NTE1892 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6W NTE1892A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 830mW Operating Temperature Range, Topr NTE1892 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −10° to +75°C NTE1892A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C Note 1. With external heat sink (3000mm2 x 1.5mm) Recommended Operating Conditions: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Supply Voltage VCC 4 12 16 V Output Current IO − − ±300 mA High−Level Input Voltage VIH Input S1, S2, SE 2 − VCC V Low−Level Input Voltage VIL Input S1, S2, SE 0 − 0.4 V 10 100 − ms 100 − − ms − 150 − °C Min Typ Max Unit − − 100 µA − − −100 µA VCC = VCC′ = 12V IOH(1) = −200mA 10.8 − − V IOH(1) = −500mA 10.7 − − V VCC = VCC′ = 12V IOL = 200mA − − 0.5 V IOL = 500mA − − 1.35 V Motor Braking Interval NTE1892 ts NTE1892A Thermal Shutdown Temperature tj(shut) VCC ≥ 7V Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Output Leakage Current Symbol IO(LEAK) High−Level Output Voltage VOH Low−Level Output Voltage VOL Test Conditions VCC = VCC′ = 18V, VO = 18V VS1 = VS2 = 0V, 0V VO = 0V VSE = 0V or 2V High−Level Input Current IIH VCC = VCC′ = 12V, Vi = 2V 50 − 120 µA Low−Level Input Current IIL VCC = VCC′ = 12V, Vi = 0V 50 − 120 µA Supply Current ICC VCC = VCC′ = 12V VSE = 0V, VS1 = VS2 = 0V − − 10 mA − − 20 mA VSE = 0V, VS1 = 0V, VS2 = 2V Function: The NTE1892/NTE1892A, two full bridge motor driver, has the logic circuitry and the quasi−darlington power driver for bi−directional control of two DC motors operating at currents up to 2A. The input SE selects one of the bridges and S1 and S2 determines the output polarity. Logic Truth Table: Input Output Note SE S1 S2 O1 O2 O3 O4 Output O1, O2 Output O3, O4 0 0 0 OFF OFF OFF OFF OPEN OPEN 0 1 0 1 0 OFF OFF Motor Forward OPEN 0 0 1 0 1 OFF OFF Motor Reverse OPEN 0 1 1 0 0 OFF OFF BRAKING OPEN 1 0 0 OFF OFF OFF OFF OPEN OPEN 1 1 0 OFF OFF 1 0 OPEN Motor Forward 1 0 1 OFF OFF 0 1 OPEN Motor Reverse 1 1 1 OFF OFF 0 0 OPEN BRAKING Pin Connection Diagram (Front View) 12 O4 11 VCC2 10 VCC‘2 9 O3 8 S2 7 S1 6 SE 5 GND 4 O2 3 VCC’1 2 VCC1 1 O1 NTE1892 1.211 (30.75) .138 (3.5) .906 (23.0) .134 (3.4) Dia .594 (15.1) Max .447 (11.35) 1 12 .236 (6.0) Min .024 (0.6) .100 (2.54) NTE1892A 1.193 (30.3) .110 (2.8) .047 (1.2) Min .335 (8.5) .020 (0.5) .100 (2.54) .047 (1.2) .118 (3.0) Min .010 (0.25)