Overview
The TPS65150PWPG4, produced by Texas Instruments, is a compact and highly integrated power supply solution designed specifically for thin film transistor (TFT) LCD displays. This device provides all three voltages required by TFT LCDs, making it ideal for 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 can be used in various power rail configurations, including 2.5-V, 3.3-V, and 5-V input rails.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 1.8 to 6 | V |
| Main Output Voltage (VS) | Up to 15 | V |
| Output Voltage Accuracy | <1% | |
| Internal MOSFET Switch Current | 2 A | |
| Operating Ambient Temperature | -40 to 85 | °C |
| Operating Junction Temperature | -40 to 125 | °C |
| Package Types | HTSSOP-24, VQFN-24 | |
| Package Dimensions (HTSSOP) | 7.80 mm × 4.40 mm | |
| Package Dimensions (VQFN) | 4.00 mm × 4.00 mm |
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
- 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
Q & A
- What is the input voltage range of the TPS65150PWPG4?
The input voltage range is from 1.8 V to 6 V.
- What are the main output voltages provided by the TPS65150PWPG4?
The device provides main output voltage up to 15 V with less than 1% output voltage accuracy.
- What types of packages are available for the TPS65150PWPG4?
The device is available in HTSSOP-24 and VQFN-24 packages.
- What is the operating temperature range of the TPS65150PWPG4?
The operating ambient temperature range is from -40°C to 85°C, and the junction temperature range is from -40°C to 125°C.
- Does the TPS65150PWPG4 have integrated protection features?
Yes, it includes out-of-regulation protection, overvoltage protection, and thermal shutdown.
- What is the purpose of the integrated VCOM buffer in the TPS65150PWPG4?
The integrated VCOM buffer provides the VCOM voltage for the TFT backplane.
- Can the TPS65150PWPG4 be used in car navigation displays?
Yes, it is suitable for car navigation displays among other applications.
- Does the TPS65150PWPG4 support adjustable power-on sequencing?
Yes, it supports adjustable power-on sequencing for V(VGL) and V(VGH).
- What is the function of the gate-voltage shaping feature in the TPS65150PWPG4?
The gate-voltage shaping feature provides a gate shaping signal of V(VGH) for the LCD panel controlled by the signal applied to the CTRL input.
- How does the TPS65150PWPG4 handle fault detection?
The device has adjustable fault detection timing to handle faults in the output voltages.
