tb62212ftag TOSHIBA Semiconductor CORPORATION, tb62212ftag Datasheet - Page 9

• Manufacturer Part Number: tb62212ftag
• Description: Pwm Chopper Type Dual-stepping Motor Driver
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Output Control Circuit, Current Feedback Circuit, and Current Setting Circuit for
Motor Driver
Note: Logic input pins are internally connected to pull-down resistors of about 100 kΩ.
feedback
Current
Current
setting
circuit
circuit
Output circuit
However, connect those pins to GND if not used, or it may lead to malfunction.
V
V
CC
M
Output control circuit
latched-data clear signal
NF set current
reached signal
Output stop signal
Output control circuit
Detection circuit
Detection circuit
circuit
circuit
circuit
circuit
V
V
TSD
ISD
CCR
MR
Charge start
Phase
Stop signal
select
circuit
Logic
Mixed
decay
timing
Output stop signal
U1
U2
L1
L2
9
V
V
ISD: Over current detection circuit
TSD: Over heat detection circuit
Decay
CCR
MR
mode
: V
: V
M
OSC selector
CC
power monitor
power monitor
Chopping reference
generating circuit
OSC_M
counter
Mixed decay
timing circuit
TB62212FTAG
Output circuit
2010-10-05