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参数资料
| 型号： | TB6561NG |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 1.5 A, PDIP24 |
| 封装： | 0.300 INCH, 1.78 MM PITCH, SDIP-24 |
| 文件页数： | 13/14页 |
| 文件大小： | 260K |
| 代理商： | TB6561NG |
TB6561NG
2010-08-25
8
1. Thermal Shutdown Circuit (TSD)
The IC incorporates a thermal shutdown circuit. When the junction temperature (Tj) reaches 160°C (typ.),
the output transistors are turned off.
After 50
μs (typ.), the output transistors are turned on automatically.
The IC has 40
°C of temperature hysteresis.
TSD = 160°C (target spec)
ΔTSD = 40°C (target spec)
2. Overcurrent Protection Circuit (ISD)
The IC incorporates an overcurrent protection circuit to detect voltage that flows through the output
transistors. The overcurrent threshold is 2.5 A (typ.).
Currents that flow through the output transistors are monitored individually. If overcurrent is detected in
at least one of the transistors, all transistors are turned off.
The IC incorporates a timer to count 50
μs (typ.) for which the transistors are off. After 50 μs, they are
turned on automatically. If an overcurrent occurs again, the same operation is repeated. To prevent false
detection due to glitch, the circuit turns off the transistors only when current that exceeds the overcurrent
threshold flows for 10
μs or longer.
The over-current threshold is a target spec. It varies in a range from approximately 1.5 A to 3.5 A.
These protection features are provided to temporarily avoid abnormal conditions such as output short circuits
and are not guaranteed to prevent the IC from being damaged.
These features do not operate outside the guaranteed operating ranges and the IC may be permanently
damaged in case of output short circuits.
The overcurrent protection is only provided to protect the IC from temporary short circuits. If a short-circuit
condition persists for a long time, it may cause excessive stress and damage to the IC. The protection system
should be configured so that any overcurrent condition will be eliminated as soon as possible.
ILIM
50
μs
(typ.)
0
10
μs
(typ.)
Not detected
50
μs
(typ.)
10
μs
(typ.)
Output current
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TB6561NG(O,8) | 功能描述:马达/运动/点火控制器和驱动器 Dual Full Bridge IC 40V 1.5A 1.5ohm 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 |
| TB6562AFG | 制造商:Toshiba America Electronic Components 功能描述:2-PHASE STEPPING MOTOR DRIVER 制造商:Toshiba America Electronic Components 功能描述:IC STEPPER MOTOR DRIVER 40V 1.5A |
| TB6562AFG(EL) | 功能描述:马达/运动/点火控制器和驱动器 Stepping Motor Driver 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 |
| TB6562AFG(O,8,EL) | 功能描述:马达/运动/点火控制器和驱动器 Dual Full Bridge IC 2-Phase 40V 1.5A 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 |
| TB6562AFG(O,EL) | 功能描述:马达/运动/点火控制器和驱动器 Bi-CMOS Bridge 2-Phase 40V 1.5A 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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