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參數(shù)資料
| 型號(hào)： | L8229 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.5 A, PDSO24 |
| 封裝： | LEAD FREE, SSO-24 |
| 文件頁(yè)數(shù)： | 5/42頁(yè) |
| 文件大小： | 858K |
| 代理商： | L8229 |
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Product(s)
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Product(s)
L8229
L6219_HI and L6219_8 modes
4
L6219_HI and L6219_8 modes
When configured in one of these modes the device has a functionality similar to ST L6219
with some improvements. The output stage is made by LDMOS devices instead of the BJT
present in ST L6219. This allows a reduced saturation drop and an higher current handling
with similar power dissipation. Additionally the recirculation diodes are internally available as
a part of the LDMOS structure.
In case of:
a)
Undervoltage detection (UVD) or
b)
Thermal shutdown (TSD),
the outputs will be in Hi-Z mode (all outputs off) respectively until the supplies voltage goes
over the UV threshold plus hysteresis or the themperature decreases below TSD threshold
minus hysteresis.
In case of:
c)
Overcurrent detection (OCD)
the outputs will be in Hi-Z mode (all outputs off) and will remain in this condition until the
device is reset by turning off and on VCC supply voltage.
Common electrical characteristics of both L6219_HI and L6219_8 modes are listed below,
while specific characteristics are listed in their respective functionality descriptions.
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