LB1945H: PWM Current Control Type Stepping Motor Driver
The LB1945H is a PWM current control type stepping motor driver.
Features- PWM current control (external excitation)
- Load current digital selection (1-2, W1-2 and 2-phase excitation drives possible)
- Built-in upper and lower diode
- Simultaneous ON prevention function (feed-through current prevention)
- Built-in thermal shutdown circuit
- Built-in noise canceller
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Data Sheets (1)
Package Drawings (1)
Order Information
| Product | Status | Compliance | Package | MSL* | Container | Budgetary Price/Unit |
|---|
| LB1945H-MPB-E | Last Shipments | Pb-free | HSOP-28H | 943AB | 3 | Fan-Fold | 25 | |
| LB1945H-TLM-E | Active | Pb-free | HSOP-28H | 943AB | 3 | Tape and Reel | 1000 | $2.1946 |
Specifications
| Product | VM Min (V) | VM Max (V) | VCC Min (V) | VCC Max (V) | IO Max (A) | IO Peak Max (A) | Step Resolution | Control Type | Feedback Method | Current Sense | Regulator Output | Fault Detection | Flyback Protection | RDS(on) Typ (Ω) |
|---|
| LB1945H-TLM-E | 10 | 28 | 4.75 | 6 | 0.8 | 1 | ½ | Parallel | | External Resistor | | Thermal | | |
