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DRV8818_12 Datasheet(数据表) 6 Page - Texas Instruments

部件型号  DRV8818
说明  STEPPER MOTOR CONTROLLER IC
下载  20 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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DRV8818 Datasheet(HTML) 6 Page - Texas Instruments

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STEP
DIR, USMx
SLEEPn
1
2
3
4
5
6
DRV8818
SLVSAX9A
– SEPTEMBER 2011 – REVISED FEBRUARY 2012
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Protection Circuits
TTSD
Thermal shutdown temperature
Die temperature
150
160
180
°C
IOCP
Overcurrent protection level
3.5
A
tOCP
OCP deglitch time
1.5
µs
tRET
OCP retry time
800
µs
TIMING REQUIREMENTS
TA = 25°C (unless otherwise noted)
PARAMETER
MIN
MAX
UNIT
fSTEP
Step frequency
500
kHz
tWH(STEP)
Pulse duration, STEP high
1
μs
tWL(STEP)
Pulse duration, STEP low
1
μs
tSU(STEP)
Setup time, command to STEP rising
200
ns
tH(STEP)
Hold time, command to STEP rising
200
ns
tWAKE
Wakeup time, SLEEPn inactive to STEP
1.5
ms
6
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Copyright
© 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): DRV8818




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