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LMD18245_06 Datasheet, PDF (15/21 Pages) National Semiconductor (TI) – 3A, 55V DMOS Full-Bridge Motor Driver
The Typical Application (Continued)
Top Trace: Phase A Winding Current at 1A/div
Bottom Trace: Phase B Winding Current at 1A/div
Horizontal: 1 ms/div
*500 steps/second
01187819
M4 A through M1 A = M4 B through M1 B = 1
BRAKE A = BRAKE B = 0
FIGURE 9. Winding Currents and Digital Control Signals for Two-Phase-On Drive
01187842
Top Trace: Phase A Winding Current at 1A/div
Bottom Trace: Phase A Sense Voltage at 5V/div
Horizontal: 1 ms/div
*500 steps/second
01187821
FIGURE 10. Winding Current and Voltage at the Output of the Associated Current Sense Amplifier
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