DRV8848 Dual H-bridge Motor Drivers
Texas Instruments DRV8848 Dual H-bridge Motor Drivers integrate two H-bridges that use NMOS drivers and current sense regulation circuitry. The output block of each H-bridge driver consists of N-channel and P-channel power MOSFETs configured as full H-bridges to drive motor windings. Each H-bridge includes circuitry to regulate the winding current using a fixed off-time chopping scheme. These drivers drive up to 2A current from each output or 4A of current in parallel mode (with proper heat sinking, at 12V and 25°C TA). The DRV8848 drivers feature Under Voltage Lockout (UVLO), Overcurrent Protection (OCP), Thermal Shutdown (TSD), and fault condition indication pin (nFAULT). These drivers are used in appliances, general brushed and stepper motors, and printers.
