Overview
The TPS65150PWPR, manufactured by Texas Instruments, is a highly integrated and compact power management IC designed specifically for LCD bias applications. This device provides all three voltages required by thin film transistor (TFT) LCD displays, making it ideal for various applications such as notebooks, monitors, and car navigation displays. With an input voltage range of 1.8 V to 6 V, it is versatile and efficient, suitable for a wide range of power rails.
The TPS65150PWPR features an integrated high-current buffer to provide the VCOM voltage for the TFT backplane and includes regulated adjustable charge pump drivers for the positive and negative bias voltages. It also incorporates adjustable power-on sequencing, high-voltage switches, and gate-voltage shaping, enhancing its functionality and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 1.8 to 6 | V |
| Boost Converter Output Voltage | Up to 15 | V |
| Operating Ambient Temperature | -40 to 85 | °C |
| Operating Junction Temperature | -40 to 125 | °C |
| Package Type | HTSSOP-24, VQFN-24 | |
| Pins | 24 | |
| Internal MOSFET Switch Current | 2 A |
Key Features
- Integrated VCOM Buffer for TFT backplane
- 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
Applications
- TFT LCD Displays for Notebooks
- TFT LCD Displays for Monitors
- Car Navigation Displays
- Electrophoretic Displays (EPDs) in e-book readers and electronic shelf labels
- Industrial Systems
- Medical Equipment
- Portable Electronic Devices requiring multiple voltage outputs
Q & A
- What is the input voltage range of the TPS65150PWPR?
The input voltage range is from 1.8 V to 6 V.
- What types of packages are available for the TPS65150PWPR?
The device is available in HTSSOP-24 and VQFN-24 packages.
- What is the maximum output voltage of the boost converter?
The maximum output voltage of the boost converter is up to 15 V.
- Does the TPS65150PWPR have integrated protection features?
Yes, it includes overvoltage protection, out-of-regulation protection, and thermal shutdown.
- What is the purpose of the integrated VCOM buffer?
The integrated VCOM buffer provides the VCOM voltage for the TFT backplane.
- Can the power-on sequencing be adjusted?
Yes, the power-on sequencing for V(VGL) and V(VGH) can be adjusted.
- What is the current rating of the internal MOSFET switch?
The internal MOSFET switch has a current rating of 2 A.
- Is the device suitable for high-temperature environments?
Yes, it operates within an ambient temperature range of -40°C to 85°C.
- What types of displays can the TPS65150PWPR support?
The device supports TFT LCD displays, EPDs, and other types of LCD panels.
- Does the TPS65150PWPR have adjustable fault detection timing?
Yes, the fault detection timing is adjustable.
