an44066a Panasonic Corporation of North America, an44066a Datasheet - Page 16

• Manufacturer Part Number: an44066a
• Description: Driver Ic For Stepping Motor
• Manufacturer: Panasonic Corporation of North America

AN44066A
1. Truth table
Technical Data
1) Control/Charge pump circuit
3) Output current of 2-phase excitation / half step / 1-2 phase excitation
4) Output current of W1-2 phase excitation
Control mode
A-ch. output
B-ch. output
2) Output polarity
ENABLEA
STBY
High
High
High
High
High
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
IN0
IN0
IN0
PHA1/PHB1
ENABLE
High
High
High
High
High
High
High
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
IN2
IN2
IN2
—
—
(VREF / 5) × (1 / Rs) × (2 / 3)
Control/Charge pump circuit
Don't care
Don't care
A-ch. Output Current
(VREF / 5) × (1 / Rs)
(VREF / 5) × (1 / Rs)
AOUT1/BOUT1
High
High
Low
Low
Low
Low
Low
Low
IN1
IN3
High
OFF
Low
OFF
ON
ON
0
(VREF / 5) × (1 / Rs) × (1 / 3)
(VREF / 5) × (1 / Rs) × (2 / 3)
(VREF / 5) × (1 / Rs) × (1 / 3)
(VREF / 5) × (1 / Rs) × (2 / 3)
SDL00014AEB
A-ch. Output Current
B-ch. Output Current
(VREF / 5) × (1 / Rs)
(VREF / 5) × (1 / Rs)
(VREF / 5) × (1 / Rs)
(VREF / 5) × (1 / Rs)
Output transistor
(VREF / 5) × (1 / Rs) × (2 / 3)
AOUT2/BOUT2
0
0
B-ch. Output Current
(VREF / 5) × (1 / Rs)
(VREF / 5) × (1 / Rs)
High
OFF
OFF
Low
OFF
ON
0
Note) Rs : current detection region
Note) Rs : current detection region
Notes) Rs : current detection region
IN1 = IN3 = Low level
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