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| DRV8860_15 Datasheet, PDF (25/40 Pages) Texas Instruments – DRV8860x 38-V 8-Channel Serial Interface Low-Side Driver | |||
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www.ti.com
DRV8860, DRV8860A
SLRS065D â SEPTEMBER 2013 â REVISED OCTOBER 2015
8.5.1.4.1 PWM Start Special Command Used
The output is turned on in Energizing mode with 100% duty cycle, and a timer is enabled with duration set by
Control register bits C4:C1. If the PWM Start special command is received before the timer expires, then the
output switches to PWM chopping mode with PWM Duty Cycle defined by Control register bits C7:C5. If the timer
expires and no PWM Start is received, then the device will stay in Energizing mode regardless of other PWM
Start commands.
OUTx Voltage (V)
VM
OUTx Current (mA)
VM/RL
Time (ms)
DC*VM/RL
Max-On time
PWM Chopping
Time (ms)
PWM Start
Figure 31. Case 5: Timer Enable Bit (C8) is 0, Energizing Timing Bits (C4:C1) are NOT 0000, and PWM
Duty Bits (C7:C5) are NOT 000
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