DRV8839_16 Datasheet, PDF (10/25 Pages) Texas Instruments – Low-Voltage Dual H-Bridge Driver IC

DRV8839
SLVSBN4B – JANUARY 2013 – REVISED DECEMBER 2015
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7.4.2 Sleep Mode
If the nSLEEP pin reaches a logic-low state, the DRV8839 enters a low-power sleep mode. In this state all
unnecessary internal circuitry powers down.
7.4.3 Motor Connections
If a single DC motor connects to the DRV8839, it is connected between the OUT1 and OUT2 pins as shown in
Figure 7:
OUT1
DCM
OUT2
Figure 7. Single DC Motor Connection
Motor operation is controlled as follows:
Table 4. Single DC Motor Operation
EN1
EN2
IN1
IN2
OUT1
OUT2
0
X
X
X
Z
See ⁽¹⁾
X
0
X
X
See ⁽²⁾
Z
1
1
0
0
L
L
1
1
0
1
L
H
1
1
1
0
H
L
1
1
1
1
H
H
(1) State depends on EN2 and IN2, but does not affect motor operation because OUT1 is tri-stated.
(2) State depends on EN1 and IN1, but does not affect motor operation because OUT2 is tri-stated.
MOTOR OPERATION
Off (coast)
Off (coast)
Brake
Reverse
Forward
Brake
10
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