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参数资料
| 型号： | TEA3718DP |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.5 A, PDIP16 |
| 封装： | POWER, DIP-16 |
| 文件页数： | 21/21页 |
| 文件大小： | 3436K |
| 代理商： | TEA3718DP |
ALARM OUTPUTS (TEA3718SP - TEA3718DP)
The alarm output becomes low when the junc-
tion temperature reaches T
°C.
When an alarm condition occours, parts of the
supply voltage (dividing bridge R - RC) is fed to
the comparator input pin (Fig. A)
Depending of the RCC value the behaviour of
the circuit is different on alarm condition:
1) RC > 80
the output stage is switched off
2) RC > 60
the current in the motor windings
is reduced according to the approximate formula:
(see also fig. E and F)
with VTH = Threshold of the comparator (VCH,
VCM, VCL) R = 700
(typical)
For several Multiwatt packages a common de-
tection can be obtained as in Fig. D
PRE-ALARM OUTPUT
When the junction temperature reaches T1
°C
(typ. = 170
°C) a prealarm signal is generated.
Soft thermal protection occours when function
temperature reaches T2 (T2 > T1)
Im
=
VTH
RS
VCC
R
+ RC
RC
RS
Figure C: Alarm Detection for Powerdip Package
Figure D: CommonDetection for Several Multiwatt Package
TEA3718-TEA3718S
9/16
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TEA3718S | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:STEPPER MOTOR DRIVER |
| TEA3718SDP | 功能描述:马达/运动/点火控制器和驱动器 Stepper Motor RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| TEA3718SFP | 功能描述:马达/运动/点火控制器和驱动器 Stepper Motor RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| TEA3718SFPTR | 功能描述:马达/运动/点火控制器和驱动器 Stepper Motor RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| TEA3718SP | 功能描述:马达/运动/点火控制器和驱动器 Stepper Motor RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
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