NTE1892A

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 Supply Voltage Output Current High−Level Input Voltage Low−Level Input Voltage Motor Braking Interval NTE1892 NTE1892A Thermal Shutdown Temperature tj(shut) VCC ≥ 7V Symbol VCC IO VIH VIL ts Input S1, S2, SE Input S1, S2, SE Test Conditions Min 4 − 2 0 10 100 − Typ 12 − − − 100 − 150 Max 16 ±300 VCC 0.4 − − − Unit V mA V V ms ms °C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Output Leakage Current Symbol IO(LEAK) Test Conditions VCC = VCC′ = 18V, VO = 18V VS1 = VS2 = 0V, VO = 0V VSE = 0V or 2V VCC = VCC′ = 12V IOH(1) = −200mA IOH(1) = −500mA Low−Level Output Voltage High−Level Input Current Low−Level Input Current Supply Current VOL IIH IIL ICC VCC = VCC′ = 12V IOL = 200mA IOL = 500mA VCC = VCC′ = 12V, Vi = 2V VCC = VCC′ = 12V, Vi = 0V VCC = VCC′ = 12V VSE = 0V, VS1 = VS2 = 0V VSE = 0V, VS1 = 0V, VS2 = 2V Min − − 10.8 10.7 − − 50 50 − − Typ − − − − − − − − − − Max 100 −100 − − 0.5 1.35 120 120 10 20 Unit µA µA V V V V µA µA mA mA High−Level Output Voltage VOH 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 SE 0 0 0 0 1 1 1 1 S1 0 1 0 1 0 1 0 1 S2 0 0 1 1 0 0 1 1 O1 OFF 1 0 0 OFF OFF OFF OFF O2 OFF 0 1 0 OFF OFF OFF OFF Output O3 OFF OFF OFF OFF OFF 1 0 0 O4 OFF OFF OFF OFF OFF 0 1 0 OPEN Motor Forward Motor Reverse BRAKING OPEN OPEN OPEN OPEN Note Output O1, O2 Output O3, O4 OPEN OPEN OPEN OPEN OPEN Motor Forward Motor Reverse BRAKING Pin Connection Diagram (Front View) 12 O4 11 VCC2 10 VCC‘2 9 8 7 6 5 4 O3 S2 S1 SE GND O2 3 VCC’1 2 VCC1 1 O1 NTE1892 1.211 (30.75) .906 (23.0) .134 (3.4) Dia .594 (15.1) Max .447 (11.35) .236 (6.0) Min .138 (3.5) 1 .100 (2.54) 12 .024 (0.6) NTE1892A 1.193 (30.3) .110 (2.8) .047 (1.2) Min .335 (8.5) .100 (2.54) .047 (1.2) .020 (0.5) .118 (3.0) Min .010 (0.25)