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參數資料
| 型號： | UC3770BJ |
| 英文描述： | Low voltage CMOS 16-bit bus buffer (3-state inverter) with 3.6 V tolerant inputs and outputs |
| 中文描述： | 電機控制器 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 88K |
| 代理商： | UC3770BJ |
SLUS403A - FEBRUARY 2000
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BLOCK DIAGRAM
Full-Step, Half-Step and Micro-Step
Capability.
Bipolar Output Current up to 2A.
Wide Range of Motor Supply Voltage:
10–50V
Low Saturation Voltage
Wide Range of Current Control: 5mA–2A.
Current Levels Selected in Steps or Varied
Continuously.
Thermal Protection and Soft Intervention.
The UC3770A and UC3770B are high-performance full bridge driv-
ers that offer higher current and lower saturation voltage than the
UC3717 and the UC3770. Included in these devices are LS-TTL
compatible logic inputs, current sense, monostable, thermal shut-
down, and a power H-bridge output stage. Two UC3770As or
UC3770Bs and a few external components form a complete micro-
processor-controllable stepper motor power system.
Unlike the UC3717, the UC3770A and the UC3770B require exter-
nal high-side clamp diodes.
The UC3770A and UC3770B are
identical in all regards except for the current sense thresholds.
Thresholds for the UC3770A are identical to those of the older
UC3717 permitting drop-in replacement in applications where
high-side diodes are not required. Thresholds for the UC3770B are
tailored for half stepping applications where 50%, 71%, and 100%
current levels are desirable.
The UC3770A and UC3770B are specified for operation from 0
°
C
to 70
°
C ambient.
UC3770A
UC3770B
High Performance Stepper Motor Drive Circuit
FEATURES
DESCRIPTION
UDG-92039-1
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| UC3770BN | Low voltage CMOS 16-bit bus buffer (3-state inverter) with 3.6 V tolerant inputs and outputs |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| UC3770BN | 功能描述:馬達/運動/點火控制器和驅動器 HP Stepper RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| UC3770BN | 制造商:Texas Instruments 功能描述:STEPPER MOTOR DRIVER 3770 PD |
| UC3770BNG4 | 功能描述:馬達/運動/點火控制器和驅動器 High Perf Stepper Motor Drive Circuit RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| UC3770BQ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MOTOR CONTROLLER |
| UC3803X | 制造商:STANLEY 制造商全稱:STANLEY 功能描述:Single Color ヵ3 Flush Mount Round Shape Type |
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