- 制造厂商:TI
- 产品类别:电源管理
- 技术类目:LCD 和 OLED 显示电源和驱动器
- 功能描述:4 通道 LCD 偏置(2.8A 最小升压电流限制高达 20V,2A 最小降压电流限制)
- 点击这里打开及下载TPS65160的技术文档资料
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The TPS65160 offers a compact power supply solution to provide all four voltages required by thin-film transistor (TFT) LCD panel. With its high current capabilities, the device is ideal for large screen monitor panels and LCD TV applications.
The device can be powered directly from a 12-V input voltage generating the bias voltages VGH and VGL, as well as the source voltage VS and logic voltage for the LCD panels. The device consists of a boost converter to provide the source voltage VS and a step-down converter to provide the logic voltage for the system. A positive and a negative charge-pump driver provide adjustable regulated output voltages VGL and VGH to bias the TFT. Both boost and step-down converters, as well as the charge-pump driver, operate with a fixed switching frequency of 500 kHz or 750 kHz, selectable by the FREQ pin. The TPS65160 includes adjustable power-on sequencing. The device includes safety features like overvoltage protection of the boost converter and short-circuit protection of the buck converter, as well as thermal shutdown. Additionally, the device incorporates a gate drive signal to control an isolation MOSFET switch in series with VS or VGH. See the application circuits at the end of this data sheet.
- 8-V to 14-V Input Voltage Range
- VS Output Voltage Range up to 20 V
- 1% Accurate Boost Converter With 2.8-A Switch Current
- 1.5% accurate 1.8-A Step-Down Converter
- 500-kHz/750-kHz Fixed Switching Frequency
- Negative Charge Pump Driver for VGL
- Positive Charge Pump Driver for VGH
- Adjustable Sequencing for VGL, VGH
- Gate Drive Signal to Drive External MOSFET
- Internal and Adjustable Soft Start
- Short-Circuit Protection
- 23-V (TPS65160) Overvoltage Protection
- 19.5-V (TPS65160A) Overvoltage Protection
- Thermal Shutdown
- Available in HTSSOP-28 Package
- Display type
- LCD unipolar
- IC integration
- LCD bias
- Vin (Min) (V)
- 8
- Vin (Max) (V)
- 14
- Source driver voltage (Max) (V)
- 20
- Level shifter/scan driver (ch)
- 0
- V_NEG (Max) (V)
- -2
- Features
- Adjustable sequencing
- Topology
- Boost, Buck
- Rating
- Catalog
TPS65160的完整型号有:TPS65160PWP、TPS65160PWPR,以下是这些产品的关键参数及官网采购报价:
TPS65160PWP,工作温度:-40 to 85,封装:HTSSOP (PWP)-28,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS65160PWP的批量USD价格:2.294(1000+)
TPS65160PWPR,工作温度:-40 to 85,封装:HTSSOP (PWP)-28,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS65160PWPR的批量USD价格:1.954(1000+)
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