參數(shù)資料
型號(hào)： TB62201AF
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： STEPPER MOTOR CONTROLLER, 1.5 A, PDSO38
封裝： 0.450 INCH, 0.65 MM PITCH, HEAT SINK, PLASTIC, SOP-36/38
文件頁(yè)數(shù)： 46/89頁(yè)
文件大?。?/td> 1396K
代理商： TB62201AF
TB62201AF
2005-04-04
50
22. Mixed Decay Timing (A/B unit only. C/D unit conforms to A/B unit.)
With VM = 24 V, VDD = 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.
RRS A
5V
R
osc
=
3.6
k
0.22
F
Ccp 1
0.01
F
CR
Vref AB
8
9
5
B
2
B
35
A
32
A
34
RRS A
36
VM A
DATA AB
29
CLK AB
30
STROBE AB
31
VDD
27
3
RRS B
1
VM B
VSS
(FIN)
13
Ccp C
12
Ccp B
7
Ccp A
RESET
28
P-GND
SETUP
SGND
3V
24
V
: PGND
: SGND (VSS)
Ccp 2
SGND
VDD
SGND
5V
C
osc
=
560
pF
RRS B
5 V
0 V
5 V
0 V
5 V
0 V
At measuring, non-reset
RESET
= 5 [V]
5V
6
When overwriting the
mixed decay timing
table, set to 5 V.
When the motors are
operating, set to
GND level.
Output current value
(set current value)
MDT
100% 0%
MDT
0%
Charge
Slow
Fast
Current waveform
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