The Double BTS7960 43A H-Bridge High-Power Stepper Motor Driver Module is; a fully integrated high current H bridge for motor drive applications using the BTS7960 high current half bridge. the BTS7960 is part of the NovalithICTM family. This containing one p-channel high side MOSFET and one n-channel low side MOSFET; with an integrated driver IC in one package. Due to the p-channel high side switch; the need for a charge pump is eliminated thus minimizing EMI.
Interfacing to a microcontroller is made easy by the integrated driver IC which features logic level inputs; diagnosis with current sense, slew rate adjustment; dead time generation and protection against overtemperature, overvoltage, under voltage; overcurrent, and short circuit.
The Double BTS7960 43A H-Bridge High-Power Stepper Motor Driver Module provides; a cost-optimized solution for protected high current PWM motor drives with very low board space consumption.
Features:
-PWM capability of up to 25 kHz combined with active freewheeling.
-Switched mode current limitation for reduced power dissipation in overcurrent.
-Status flag diagnosis with current sense capability.
-Overtemperature shut down with latch behavior.
-Overvoltage lockout.
-Undervoltage shut down.
-Driver circuit with logic level inputs.
-Adjustable slew rates for optimized EMI.
-74AHC244 Schmitt-trigger Octal buffer/line driver for ESD protection (Inputs accepts voltages higher than VCC).
Input port:
RPWM: forward level or PWM signal input, active high.
LPWM: Reverse level or PWM signal input, active high.
R_EN: forward drive enable input, high-level enable, low level off.
L_EN: Reverse drive enable input, high-level enable, low level off.
R_IS: forward drive current alarm output.
L_IS: Reverse drive current alarm output.
VCC : 5 V power output, 5V power supply connection with the microcontroller.
GND : signal common low end.
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