LATCH

CLK

1

xxx

xxx

1

2

1

2

3

OUTx

3

4

5

6

1

2

3

4

5

6

xxxxxxxxxxxxx

xxxxxxxxxxxxx

Max-On Time

PWM Chopping

LATCH

CLK

1

xxx

xxx

xxx

1

2

1

2

3

Fault Register

1

2

3

4

Fault Register Contents

nFAULT

Fault Condition

No Fault Condition

xxxxxxxxxxx

xxxxxxxxxxx

xxxxxxxxxxx

DRV8860, DRV8860A

SLRS065E – SEPTEMBER 2013 – REVISED NOVEMBER 2015

www.ti.com

8.5.1.3.4

Special command: Fault Register Reset

When Fault-Register-Reset command is issued, internal 16bit fault register will be cleared. System can use this

method to clear out all fault condition in every chained device at once.

Figure 27. Fault Register Reset

8.5.1.3.5

Special command: PWM Start

When Fault-Register-Reset command is issued, output channel will ignore energizing time and directly enter into

PWM mode following the setting in control register.

Figure 28. PWM Start Command

22

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