tb62202afg TOSHIBA Semiconductor CORPORATION, tb62202afg Datasheet - Page 30
tb62202afg
Manufacturer Part Number
tb62202afg
Description
Dual-stepping Motor Driver Ic For Oa Equipment Using Pwm Chopper Type
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TB62202AFG.pdf
(84 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TB62202AFG
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
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ON
OFF
U 1
L 1
Number of switchings at phase switching
Number of switchings at actual operation = 2 × number of switchings at phase switching.
Therefore, switching the phase at 2 × chopping cycle matches the number of switchings at actual operation
with the number of switchings at phase switching, and allows the actual current dissipation, IM
measured.
PGND
To V
Load
Four transistors are switched at one phase switching
M
Switches by phase data
OFF
Four transistors switching
ON
Four transistors switching
U 2
L 2
One phase switching
One phase switching
(16-bit data input)
(16-bit data input)
OFF
ON
U 1
L 1
PGND
To V
Load
M
30
OFF
ON
U 2
L 2
Number of switchings at actual operation
OFF
ON
Eight transistors switching
Four transistors switching
in one chopping cycle
Charge
Chopping cycle
Mode changes three times
in one chopping cycle.
Two transistors
switching
OFF
ON
OFF
OFF
ON
ON
TB62202AFG
Slow
2005-04-04
Fast
3
Two transistors
switching
, to be
OFF
OFF
ON
ON
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