参数资料
型号: TB62201AF
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 1.5 A, PDSO38
封装: 0.450 INCH, 0.65 MM PITCH, HEAT SINK, PLASTIC, SOP-36/38
文件页数: 26/89页
文件大小: 1396K
代理商: TB62201AF
TB62201AF
2005-04-04
32
Number of Switchings at Phase Switching
Number of Switchings at Actual Operation
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, IM3, to be
measured.
OFF
One phase switching
(16-bit data input)
Four transistors switching
To VM
R
RS
Load
U1
ON
U2
L1
ON
L2
PGND
To VM
R
RS
Load
U1
U2
L1
L2
PGND
Switches by phase data
OFF
ON
OFF
ON
Four transistors are switched at one phase switching
ON
OFF
Charge
ON
OFF
Slow
Two transistors
switching
ON
OFF
Four transistors switching
Eight transistors switching
in one chopping cycle
Mode changes three times
in one chopping cycle.
Chopping cycle
Fast
Four transistors switching
One phase switching
(16-bit data input)
Two transistors
switching
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