tb62217afg TOSHIBA Semiconductor CORPORATION, tb62217afg Datasheet - Page 9

• Manufacturer Part Number: tb62217afg
• Description: Pwm Drive Stepping Motor Driver / Brush Dc Motor Driver Selectable, Dc-dc Converter And Reset Function Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

STROBE
1. Overall Block Diagram
SLEEP
DATA
ORT
CLK
V
V
R
ref
M
S
OSCD
High-voltage wiring (V
Logic DATA
Analog DATA
IC pin
VSD unit
RESET
unit
DC/DC cnv A
FBA
converter
DC/DC
Current setting circuit
Current feedback circuit
ODA
Torque control
shift register
VRS
unit
16-bit
M
)
FBB
DC/DC cnv B
converter
DC/DC
selector
DATA
ODB
Stepping
motor
FBC
(Angle control)
DC/DC cnv C
4-bit sine D/A
R
Outputs unit
converter
S
(H-bridge)
circuit
DC/DC
Select
Out X
COMP
ODC
data logic circuit
Current control
9
Init setup unit
16-bit latch
16-bit latch
setup unit
Extended
Current
control
motor
POR unit
DC
CSELECT
(CC)
selector
DC/DC
motor
DC
Output control unit
*
* These items are provided only
on the A- and B-axis inputs.
generating circuit
Chopping reference circuit
shaping circuit
Waveform
waveform
Chopping
Protection circuits
ISD
unit
POR circuit
VM-VDD
regulator
(VM)
CC
TB62217AFG
Thermal
detect
circuit
TSD
2004-11-12
OSC_M
TH_OUT
Logic
out