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参数资料
| 型号： | TLE6280GP |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, PDSO36 |
| 封装： | PLASTIC, SO-36 |
| 文件页数： | 24/25页 |
| 文件大小： | 357K |
| 代理商： | TLE6280GP |
Datasheet TLE6280GP
8
2007-07-19
shut down of the driver. This allows continued operation of the motor in case of undervoltage
shut-down for a short period of time.
As soon as the bootstrap voltage recovers, the output stage condition will be aligned to the
input patterns by the next changing input signal at the corresponding input pin.
Diagnosis
The ERR pin is an open collector output and has to be pulled up with external pull-up resis-
tors to 5V. In normal conditions the ERR signal is high. In case of an error the ERR pin is
pulled down. There are 3 different causes for an error signal:
1) Short circuit of an external Mosfet – all external Mosfets are switched off. The driver has
to be reset to start again.
2) Undervoltage warning: at least one of the external capacitors connected to Bxx pins has
a voltage below the warning level.
3) Over-temperature warning: The device works normally but is out of the maximum ratings.
Immediate actions have to be taken to reduce the thermal load. The error flag will be re-
moved when the driver reached temperatures below the over temperature warning level.
dI/dt control
In all high current PWM applications, transient overvoltages and electro-magnetic emmisions
are critical items. The dI/dt regulation of the TLE6280GP helps to reduce transient overvolt-
age as well as electro-magnetic emissions.
Each real bridge configuration has stray inductance in each half-bridge. When the Mosfets in
the bridge are switching and load current is flowing, the stray inductance together with the
dI/dt in the halfbridge causies transient overvoltages. These transient overvoltages can be
feed to the DIDT pin of the gate driver by a high pass filter. Voltages exceeding 2 to 5V or –2
to –5V at this pin will strongly reduce the gate current of the actually switched Mosfet, result-
ing in an increased switching time in the Miller plateau of the Mosfet, and reducing the
switching speed exactly and only in the critical area of the switching process. Through this
regulation over-voltages are reduced and a smoother dI/dt in the bridge is obtained.
For more detailed information please refer to application note.
Fig. 5: Block diagram of ERR functionality
OR
ERR
Iscp (VMFP)
3.3A
0.3A
10pF
Temperature
Sensor
I undervoltage
τ approx. 1s
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE6280GPAUMA1 | 制造商:Infineon Technologies AG 功能描述:3-Phase Bridge Driver 36-Pin DSO T/R 制造商:Infineon Technologies AG 功能描述:DRIVER_IC - Tape and Reel |
| TLE6280GPAUMA2 | 制造商:Infineon Technologies AG 功能描述:3-Phase Bridge Driver T/R 制造商:Infineon Technologies AG 功能描述:3-Phase Bridge Driver 36-Pin DSO T/R 制造商:Infineon Technologies AG 功能描述:DRIVER_IC - Tape and Reel |
| TLE6280GPCUMA1 | 制造商:Infineon Technologies AG 功能描述:DRIVER_IC - Tape and Reel |
| TLE6280GPNT | 制造商:Infineon Technologies AG 功能描述:3-Phase Bridge Driver 36-Pin DSO |
| TLE6280GP-T | 功能描述:功率驱动器IC GATE DRIVER ICS FOR EXTERNAL MOSFETS RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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