LB1939T: Motor Driver, Constant Voltage/Current, H-Bridge, 2-Channel
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» 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.
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Technical Documentation & Design Resources
| Application Notes (1) | Package Drawings (1) |
| Data Sheets (1) | Evaluation Board Documents (4) |
Evaluation/Development Tool Information
| Product | Status | Compliance | Short Description | Action | |
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| LB1939TGEVB | Active |
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EVABOARD FOR LB1939T |
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Availability & Samples
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Specifications
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Case Outline |
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| LB1939T-MPB-E | Obsolete |
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LB1939T | TSSOP-20 | 948AX | 3 | 260 | Fan-Fold | 70 | |||||||||
| LB1939T-TLM-E | Active |
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LB1939T | TSSOP-20 | 948AX | 3 | 260 | Tape and Reel | 2000 | $1.6813 | ||||||||
| Market Leadtime (weeks) | : | Contact Factory |
| Market Leadtime (weeks) | : | 4 to 8 |
| PandS (2020-09-14 00:00) | : | >1K |
Product
Description
Pricing ($/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
A
H
P
Active
1.6
10.5
1.9
10.5
0.4
½
Parallel
External Resistor
Thermal
TSSOP-20
Case Outlines
948AX
| Support |