TPS65150 - 具有 GPM 的 3 通道 LCD 偏置、用于隔离开关的 VCOM 缓冲器和闸极驱动器

TPS65150是TI德州仪器公司的一款电流感应放大器、I2C/PMBus监控器产品，TPS65150是具有 GPM 的 3 通道 LCD 偏置、用于隔离开关的 VCOM 缓冲器和闸极驱动器，本站介绍了TPS65150的封装应用图解、特点和优点、功能等，并给出了与TPS65150相关的TI元器件型号供参考。

TPS65150 - 具有 GPM 的 3 通道 LCD 偏置、用于隔离开关的 VCOM 缓冲器和闸极驱动器 - 电流感应放大器、I2C/PMBus监控器 - 保护、监控和热插拔 - 德州仪器

产品特性

1.8-V to 6-V Input Voltage Range
Integrated VCOM Buffer
High-voltage Switch to Isolate V(VGH)
Gate-Voltage Shaping of V(VGH)
2-A Internal MOSFET switch
Main Output V(VS) up to 15 V With <1% Output Voltage Accuracy
Virtual-Synchronous Converter Technology
Regulated Negative Charge Pump Driver V(VGL)
Regulated Positive Charge Pump Driver V(CPI)
Adjustable Power-On Sequencing
Adjustable Fault Detection Timing
Gate Drive Signal for External Isolation MOSFET
Out-of-Regulation Protection
Overvoltage Protection
Thermal Shutdown
Available in HTSSOP-24 Package
Available in VQFN-24 Package

产品应用

TFT LCD Displays for Notebooks
TFT LCD Displays for Monitors
Car Navigation Displays

产品说明

The TPS65150 device offers a very compact and small power supply solution that provides all three voltages required by thin film transistor (TFT) LCD displays. With an input voltage range of 1.8V to 6V the device is ideal for notebooks powered by a 2.5-V or 3.3-V input rail or monitor applications with a 5-V input voltage rail. Additionally the TPS65150 device provides an integrated high current buffer to provide the VCOM voltage for the TFT backplane.

Two regulated adjustable charge pump driver provide the positive V(VGH) and negative V(VGL) bias voltages for the TFT. The device incorporates adjustable power-on sequencing for V(VGL) as well as for V(VGH). This avoids any additional external components to implement application specific sequencing. The device has an integrated high-voltage switch to isolate V(VGH).

The same internal circuit can also be used to provide a gate shaping signal of V(VGH) for the LCD panel controlled by the signal applied to the CTRL input. For highest safety, the TPS65150 device has an integrated adjustable shutdown latch feature, which allows application-specific flexibility. The device monitors the outputs (V(VS), V(VGL), V(VGH)); and, as soon as one of the outputs falls below its power good threshold, the device enters shutdown latch, after its adjustable delay time has passed by.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS65150	HTSSOP (24)	7.80 mm × 4.40 mm
TPS65150	VQFN (24)	4.00 mm × 4.00 mm

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