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TPS65160A
- 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
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.
技術文件
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檢視所有 8 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | Bias Power Supply for TV and Monitor TFT LCD Panel datasheet (Rev. C) | 2013年 3月 5日 | |
| Application note | Basic Calculation of a Boost Converter's Power Stage (Rev. D) | PDF | HTML | 2022年 10月 28日 | |
| Application note | Understanding Undervoltage Lockout in Power Devices (Rev. A) | 2018年 9月 19日 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018年 6月 25日 | ||
| Application note | Generation of a VCOM buffer input using PWM signal | 2015年 12月 21日 | ||
| Application note | Basic Calculation of a Buck Converter's Power Stage (Rev. B) | 2015年 8月 17日 | ||
| Application note | Minimizing Ringing at the Switch Node of a Boost Converter | 2006年 9月 15日 | ||
| Application note | Bias Power Supply for TV and Monitor TFT LCD Panels Using the TPS65160 | 2006年 6月 13日 |
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| 封裝 | 引腳 | 下載 |
|---|---|---|
| HTSSOP (PWP) | 28 | 檢視選項 |
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