參數資料
型號: TB62202AFG
廠商: Toshiba Corporation
英文描述: Dual-Stepping Motor Driver IC for OA Equipment Using PWM Chopper Type
中文描述: 雙辦公自動化設備步進馬達驅動IC用PWM斬波型
文件頁數: 48/84頁
文件大?。?/td> 1272K
代理商: TB62202AFG
TB62202AFG
2005-04-04
48
22. Mixed decay timing
(A/B unit only. C/D unit conforms to A/B unit.)
With V
M
=
24 V, V
DD
=
5 V, RESET
=
H, change the SETUP pin from L to H and overwrite the MIXED DECAY
TIMING TABLE.
Then change the SETUP pin from H to L. With load L, perform chopping and monitor the output current
waveform at that time. Confirm that the switching timing from Slow Decay Mode to Fast Decay Mode within an
fchop cycle is the specified MIXED DECAY TIMING.
(Depending on the load L value and the test environment, chopping may be performed every two cycles or there
may be no Slow Decay Mode. If so, conditions, for example, load condition, may need to be changed.
CR
8
9
5
2
35
32
34
36
29
30
31
27
3
1
13
12
7
28
P-GND
6
V
DD
STROBE AB
CLK AB
DATA AB
RESET
SETUP
V
ref AB
V
M A
R
RS A
A
A
B
B
R
RS B
V
M B
V
SS
(F
IN
)
Ccp C
Ccp B
Ccp A
R
RS A
5
R
o
=
0
μ
F
Ccp 1
0
μ
F
SGND
3
2
: PGND
: SGND (V
SS
)
Ccp 2
SGND
SGND
V
DD
SGND
5
C
o
=
R
RS B
5 V
0 V
5 V
0 V
5 V
0 V
At measuring, non-reset
RESET
=
5 [V]
5
Output current value
(set current value)
MDT
MDT
100% 0%
MDT
MDT
0%
Charge
Charge
Slow
Slow
Fast
Fast
Current waveform
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