Overview
The TPS65150RGERG4 device, produced by Texas Instruments, is a compact and integrated power supply solution designed specifically for thin film transistor (TFT) LCD displays. It provides all three necessary voltages for TFT LCDs, making it ideal for applications such as notebooks and monitors. The device operates within an input voltage range of 1.8 V to 6 V, making it versatile for various power rail configurations. It includes an integrated high current buffer for the VCOM voltage, which is essential for the TFT backplane.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 1.8 V to 6 V |
| Package Type | HTSSOP-24, VQFN-24 |
| Pin Count | 24 |
| Operating Temperature Range | -40°C to 85°C |
| Main Output Voltage (VS) | Up to 15 V |
| Output Voltage Accuracy | < 1% |
| Internal MOSFET Switch Current | 2 A |
| Supply Current (Device not switching) | 1.9 mA to 3 mA |
| VCOM Buffer Current | 750 µA to 1500 µA |
Key Features
- Integrated VCOM Buffer
- High-voltage Switch to Isolate V(VGH)
- Gate-Voltage Shaping of V(VGH)
- 2-A Internal MOSFET switch
- 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 TPS65150RGERG4? The input voltage range is 1.8 V to 6 V.
- What types of packages are available for the TPS65150RGERG4? The device is available in HTSSOP-24 and VQFN-24 packages.
- What is the maximum output voltage for the main output (VS)? The main output voltage can go up to 15 V.
- Does the TPS65150RGERG4 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 operating temperature range of the TPS65150RGERG4? The operating temperature range is -40°C to 85°C.
- Does the device support external isolation MOSFETs? Yes, it provides a gate drive signal for external isolation MOSFETs.
- What is the typical supply current when the device is not switching? The typical supply current is 1.9 mA to 3 mA.
- Is the TPS65150RGERG4 RoHS compliant? Yes, the device is RoHS compliant.
