DRV8808 Datasheet, PDF (17/38 Pages) Texas Instruments – COMBINATION MOTOR DRIVER WITH DC-DC CONVERTER

DRV8808
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SIGNAL SELECT
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
SLVS857A – DECEMBER 2009 – REVISED AUGUST 2011
Table 6. Logic_Out
FUNCTION (Logic_out OUTPUT)
Detect OCP/UVP/OVP on A, output L
Detect OCP/UVP/OVP on B, output L
Detect OCP/UVP/OVP on C, output L
Detect OCP on DC-DC/LDO regulator, output L
Detect UVP, output L
Detect OVP, output L
Detect OCP on motor, output L
Detect TSD, output L
Revision code bit 0
Revision code bit 1
Revision code bit 2
Device code bit 0
Device code bit 1
N/A
Detect OCP/UVP/OVP on LDO regulator, output L
Fix, output H
Deep Sleep Mode
Deep sleep mode can be entered by setting the deep sleep bit (bit 11) on the Setup register to HI. Once deep
sleep mode is entered, every single subsystem is disabled, except the block necessary to regain power by
making the nWAKEUP input pin LO.
DEEP SLEEP Bit (SETUP
REGISTER) = 0
Normal
Operation /
Idle State
DEEP SLEEP Bit (SETUP
REGISTER) = 1
nWAKEUP = LO
Deep Sleep
nWAKEUP = HI
Figure 6. Deep Sleep Mode
Copyright © 2009–2011, Texas Instruments Incorporated
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