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

Datasheet: Motor Driver, Constant Voltage/Current, H-Bridge, 2-Channel
Rev. 0 (232kB)
Product Overview
»View Material Composition
» Product Change Notification
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   End Products
  • 3V Battery Operated Equipment
 
  • Digital Still Cameras
  • Digital Video Cameras
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
LB1939TGEVB Active
Pb-free
EVABOARD FOR LB1939T
Availability & Samples
Specifications
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
LB1939T-MPB-E Obsolete
Pb-free
LB1939T TSSOP-20 948AX 3 260 Fan-Fold 70  
LB1939T-TLM-E Active
Pb-free
Halide free
LB1939T TSSOP-20 948AX 3 260 Tape and Reel 2000 $1.6813
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : 8 to 12
PandS   (2020-09-14) : >1K

Product
Description
Pricing ($/Unit)
Compliance
Status
VM Min (V)
VM Max (V)
VCC Min (V)
VCC Max (V)
IO Max (A)
IO Peak Max (A)
Step Resolution
Control Type
Current Sense
Fault Detection
Package Type
LB1939T-TLM-E  
 $1.6813 
Pb
H
 Active   
1.6
10.5
1.9
10.5
0.4
½
Parallel
External Resistor
Thermal
TSSOP-20
Case Outlines
948AX   
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