DRV8711 Datasheet, PDF (2/34 Pages) Texas Instruments – STEPPER MOTOR CONTROLLER IC

DRV8711
SLVSC40 – JUNE 2013
5V OUT
V5
0.1µF
VINT
1µF
SLEEPn
RESET
STEP/AIN1
DIR/AIN2
BIN1
BIN2
SCS
SCLK
SDATI
SDATO
FAULTn
STALLn / BEMFVn
FUNCTIONAL BLOCK DIAGRAM
VM
VM
Regs
0.1µF
1µF
CP2 CP1 VCP
+
100µF
VM
0.01µF
Charge
Pump
VM
HS Gate Drive
Over-
Temp
UVLO
PUC
Logic
SIN
DAC
Torque
DAC
Reference
PWM
logic
Comp
Comp
X
PWM
logic
Gate
Drive
&
OCP
Gate
Drive
&
OCP
ISEN
amp
Gate
Drive
&
OCP
Gate
Drive
&
OCP
Comp
Comp
ISEN
amp
SIN
DAC
X
Torque
DAC
VM
A1HS
AOUT1
A1LS
VM
A2HS
AOUT2
A2LS
AISENP
AISENN
VM
B1HS
BOUT1
B1LS
VM
B2HS
BOUT2
B2LS
BISENP
BISENN
Stall detect
GND
BEMF
1nF
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DCM
Step
Motor
DCM
2
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