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DRV11873PWPR Datasheet(PDF) 7 Page - Texas Instruments

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Part # DRV11873PWPR
Description  12-V, 3-Phase, Sensorless BLDC Motor Driver
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

DRV11873PWPR Datasheet(HTML) 7 Page - Texas Instruments

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DRV11873
www.ti.com
SLWS237A – NOVEMBER 2012 – REVISED NOVEMBER 2014
7.6 Typical Characteristics
Input voltage = 12 V
PWM duty = 10%
FS = 1
Input voltage = 12 V
PWM duty = 100%
FS = 1
t = 40 ms/div
t = 20 ms/div
Figure 2. Start Up at 10% Duty
Figure 1. Start Up at 100% Duty
Input voltage = 12 V
PWM duty = 100%
FS = 1
Input voltage = 12 V
PWM duty = 50%
FS = 1
t = 800 µs/div
t = 800 µs/div
Figure 3. Normal Operation at 100% Duty
Figure 4. Normal Operation at 50% Duty
Input voltage = 12 V
PWM duty = 100%
FS = 1
Input voltage = 12 V
PWM duty switch from 100% to 20%
t = 1 s/div
t = 20 ms/div
FS = 1
Figure 5. Lock Protection
Figure 6. AVS Operation
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