Overview
The TPS65150RGER, produced by Texas Instruments, is a compact and universal LCD bias power supply integrated circuit. It is designed to provide all three voltages required by thin film transistor (TFT) LCD displays. This device is particularly suitable for applications in notebooks, monitors, and other display systems that require a small footprint and high efficiency. With an input voltage range of 1.8 V to 6 V, it can be used in various power rail configurations, making it versatile for different types of LCD displays.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range (VI) | 1.8 | - | 6 | V |
| Boost Converter Output Voltage (VO) | - | - | 15 | V |
| Operating Ambient Temperature (TA) | -40 | - | 85 | °C |
| Operating Junction Temperature (TJ) | -40 | - | 125 | °C |
| Supply Current (VIN) - Device Not Switching | 14 | 25 | - | µA |
| Supply Current (SUP) - Device Not Switching | 1.9 | 3 | - | mA |
| VCOM Buffer Supply Current | 750 | 1500 | - | µA |
| Undervoltage Lockout Threshold (VIN) | 1.6 | 1.8 | - | V |
| Overvoltage Protection Threshold (SUP) | 16 | - | 20 | V |
| Package Type | - | - | VQFN-24 | - |
| Pin Count | - | - | 24 | - |
Key Features
- 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 and VQFN-24 Packages
Applications
- TFT LCD Displays for Notebooks
- TFT LCD Displays for Monitors
- Car Navigation Displays
Q & A
- What is the input voltage range of the TPS65150RGER?
The input voltage range is from 1.8 V to 6 V.
- What types of packages are available for the TPS65150RGER?
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 15 V.
- Does the TPS65150RGER 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 device allows for adjustable power-on sequencing for V(VGL) and V(VGH).
- What is the maximum current of the internal MOSFET switch?
The maximum current of the internal MOSFET switch is 2 A.
- Is the device suitable for safety-critical applications?
The device includes several safety features such as thermal shutdown and overvoltage protection, but it is important to refer to the datasheet for specific use in safety-critical applications.
- What is the operating ambient temperature range of the TPS65150RGER?
The operating ambient temperature range is from -40°C to 85°C.
- Does the TPS65150RGER support external isolation MOSFETs?
Yes, it provides a gate drive signal for external isolation MOSFETs.
- What is the typical oscillator frequency of the TPS65150RGER?
The typical oscillator frequency is 1.2 MHz.
