參數(shù)資料
型號(hào)： L6228N
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： STEPPER MOTOR CONTROLLER, 2.8 A, PDIP24
封裝： POWER, DIP-24
文件頁(yè)數(shù)： 9/26頁(yè)
文件大小： 451K
代理商： L6228N
17/26
L6228
Figure 20 shows the Overcurrent Detection operation. The Disable Time tDISABLE before recovering normal oper-
ation can be easily programmed by means of the accurate thresholds of the logic inputs. It is affected whether by
CEN and REN values and its magnitude is reported in Figure 21. The Delay Time tDELAY before turning off the
bridge when an overcurrent has been detected depends only by CEN value. Its magnitude is reported in Figure 22.
CEN is also used for providing immunity to pin EN against fast transient noises. Therefore the value of CEN
should be chosen as big as possible according to the maximum tolerable Delay Time and the REN value should
be chosen according to the desired Disable Time.
The resistor REN should be chosen in the range from 2.2K to 180K. Recommended values for REN and CEN
are respectively 100K
and 5.6nF that allow obtaining 200s Disable Time.
Figure 20. Overcurrent Protection Waveforms
ISOVER
IOUT
Vth(ON)
Vth(OFF)
VEN(LOW)
VDD
tOCD(ON)
tD(ON)EN
tEN(FALL)
tEN(RISE)
tDISABLE
tDELAY
tOCD(OFF)
tD(OFF)EN
VEN
BRIDGE
ON
OFF
OCD
ON
OFF
D02IN1400
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參數(shù)描述
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L6228PD013TR 制造商:STMicroelectronics 功能描述:DMOS DRIVER FOR BIPOLAR STEPPER - Tape and Reel
L6228PDTR 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 DMOS Stepper Motor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
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