TC78H600FTG(O,EL)

马达/运动/点火控制器和驱动器 Brush Motor DC 4 FCT 0.8A 1.0A 6V 18V

CD Integrated Circuit Silicon Monolithic DUAL-BRIDGE DRIVER IC FOR DC MOTORS

The TC78H600FTG(O,EL) TC78H600FNG/FTG is a dual-bridge driver IC for DC motors which incorporates DMOS in output transistors.  DMOS output driver with low ON-resistance and PWM drive system are applied to realize high efficiency driving.

Features TC78H600FTG(O,EL)

• Power supply voltage for motor: VM=15V (max)

• Power supply voltage for control: Vcc=2.7V to 5.5V

(Operation range)

• Output current: Iout ≤ 0.8A (max)

• Output ON resistance: Ron=1.2Ω (upper and lower sum)

• Internal pull-down resistors on inputs: 200 kΩ (typ.)

• Built-in over current detection (ISD), thermal shutdown

(TSD) circuit, and under voltage lockout (UVLO) circuit.

• ALERT output pin

• Package: TC78H600FNG;SSOP20, TC78H600FTG; QFN24

• Built-in cross conduction protection circuit

Operating Range (Ta = -20 to 85°C)  TC78H600FTG(O,EL)

Characteristics Symbol Conditions Min Typ. Max Unit  Controlled power supply voltage Vcc(opr) ― 2.7 3.3 5.5 V  Motor power supply voltage VM(opr) ― 2.5 5 15 V  Output current IOUT ― ― ― 0.8 A  Input voltage VIN ― ― ― 5.5 V  Input voltage Vref ― 0.4 2.5 Vcc－1.8 V  PWM frequency  (Input in direct PWM drive)  fPWM  duty50%  IN1A, IN2A, PWMA,  IN1B, IN2B, PWMB  1 ― 500 kHz  Oscillation frequency fosc Cosc=220pF 160 320 480 kHz  Chopping frequency fchop  In constant current  PMW mode  180pF ≤ Cosc ≤ 260pF  20 40 60 kHz

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