Texas Instruments DRV8873S | Demoboard DRV8873SEVM

Beschreibung

The DRV8873 is an integrated driver for industrial and automotive applications. With 10 A peak current capability and 4.5-38V voltage range, this device supports a wide range of applications. PH/EN or PWM interface allows simple interfacing to controller circuits while also allowing independent ½ bridge control to drive two solenoid loads. A current mirror approximates the current through the high-side FETs, and does not require a sense resistor. A low-power sleep mode is provided to achieve very low quiescent current draw by shutting down much of the internal circuitry. Internal protection functions are provided for undervoltage lockout, charge pump faults, overcurrent protection, short circuit protection, and overtemperature with fault conditions indicated on an nFAULT pin and through the SPI registers.

Eigenschaften

• H-Bridge Motor Driver– Drives One DC Motor, One Winding of a Stepper Motor, or Solenoid Loads
• 4.5-V to 38-V Operating Voltage Range
• 10-A Peak Current Drive
• Low HS + LS RDS(ON)– 150 mΩ at TJ = 25°C, 13.5 V– 250 mΩ at TJ = 150°C, 13.5 V
• Current Mirror for Output Current Sensing
• Configurable Control Interface– PH/EN– PWM (IN1/IN2)– Independent Half-Bridge Control
• Supports 1.8-V, 3.3-V, 5-V Logic Inputs
• SPI or Hardware Interface Options
• Low-Power Sleep Mode (10 μA)
• Small Package and Footprint– 24 HTSSOP PowerPAD™ IC Package
• Protection Features– VM Undervoltage Lockout (UVLO)– Charge Pump Undervoltage (CPUV)– Overcurrent Protection (OCP)– Output short to battery and short to ground protection– Open Load Detection– Thermal Shutdown (TSD)– Fault Condition Output (nFAULT / SPI)

Typische Anwendungen

• Factory Automation and Robotics / Motorized Window Blinds
• ePOS and Currency Counters / ATMs (Automated Teller Machines) / Multi-Function Printers / Laser Beam Printers
• Adjustable Desks and Beds

Weiterführende Informationen

• Datenblatt