LB1939T: Motor Driver, Constant Voltage/Current, H-Bridge, 2-Channel

Description: The LB1939T is a bipolar stepping motor driver th...
  • The LB1939T is a bipolar stepping motor driver that features low voltage operation, a low saturation voltage and low power consumption. It operates full/half step drive. It supports constant voltage and constant current drive, can control two iris motors and is optimal for shutter, iris and AF drive in 3V battery operated still digital cameras and other battery operated equipment.
  • Features
  • Low voltage drive
  • Low saturation voltage output
  • Supports constant voltage and constant current drive
  • Built-in reference voltage circuit
  • Applications
  • 3V Battery Operated Equipment
  • End Products
  • Digital Still Cameras
  • Digital Video Cameras
  • Technical Documentation & Design Resources
    Evaluation/Development Tool Information
    Product Change Notification
    Availability and Samples
    LB1939T-MPB-E
  • Status: Last Shipments
  • Compliance: Pb-free 
  • Description: Motor Driver, Constant Voltage/Current, H-Bridge, 2-Channel
  • Package Type: TSSOP-20
  • Package Case Outline: 948AX
  • MSL: 3
  • Container Type: FNFLD
  • Container Qty: 70
  • LB1939T-TLM-E
  • Status: Active
  • Compliance: Pb-free 
  • Description: Motor Driver, Constant Voltage/Current, H-Bridge, 2-Channel
  • Package Type: TSSOP-20
  • Package Case Outline: 948AX
  • MSL: 3
  • Container Type: REEL
  • Container Qty: 2000
  • Inventory

  • Market Leadtime (weeks):2 to 4
  • Arrow:0
  • Digikey:>1K
  • Mouser:>1K
  • PandS:>1K
  • Specifications
  • VM Min (V): 1.6 
  • VM Max (V): 10.5 
  • VCC Min (V): 1.9 
  • VCC Max (V): 10.5 
  • IO Max (A): 0.4 
  • IO Peak Max (A):  
  • Step Resolution: ½ 
  • Control Type: Parallel 
  • Current Sense: External Resistor 
  • Fault Detection: Thermal 
  • Package Type: TSSOP-20 
  • ON Semiconductor Full Web Site