Datasheet

OUT2

OUT3

OUT1

Motor or

Solenoid 1

Motor or

Solenoid 2

Motor or

Solenoid 2

DRV8313

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SLVSBA5A –OCTOBER 2012–REVISED NOVEMBER 2012

The functions would be as shown in Table 2.

Table 2. Bidirectional Motor Plus Motor or Solenoid Signals

Motor 1 Motor 2 or Solenoid

Function IN1 EN1 OUT1 IN2 EN2 OUT2 Function IN3 EN3 OUT3

Off or

X 0 Z X X X On 1 / PWM 1 1

coast

Off or Off or slow

X X X X 0 X 0 1 0

coast decay

Off or

Forward 1 / PWM 1 1 0 1 0 X 0 X

coast

Reverse 0 1 0 1 / PWM 1 1

Brake or

0 1 0 0 1 0

slow decay

Brake or

1 1 1 1 1 1

slow decay

Applying a PWM signal to the appropriate INx pin(s) as shown in Table 2 could implement PWM speed control.

Another possibility is controlling three different loads. Note that it is possible to return one side of the load either

to the power supply (VM) or to ground.

Figure 6. Three Independent Load Connections

Table 3. Three Independent Load Signals

Motor or Solenoid 1 Motor or Solenoid 2 Motor or Solenoid 3

Function IN1 EN1 OUT1 Function IN2 EN2 OUT2 Function IN3 EN3 OUT3

On 1 / PWM 1 1 On 1 / PWM 1 1 On 1 / PWM 1 1

Off or Off or Off or

slow 0 1 0 slow 0 1 0 slow 0 1 0

decay decay decay

Off or Off or Off or

X 0 X X 0 X X 0 X

coast coast coast

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