Overview
The TPS65640RHRR is a compact LCD bias solution designed by Texas Instruments. It is primarily intended for use in notebook and tablet PCs. This device integrates multiple functions necessary for LCD display management, including boost converters, linear regulators, and digital VCOM buffers. The TPS65640RHRR is available in a 28-pin WQFN (RHR) package, measuring 5.5-mm × 3.5-mm with a 0.5-mm pitch.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.5-V to 5.5-V | V |
| Boost Converter (AVDD) Voltage Range | 3.6 to 12.7 V | V |
| Programmable VCOM Voltage Range | -4.1 V to 0.2 V | V |
| Package Type | WQFN (RHR) | - |
| Number of Pins | 28 | - |
| Package Dimensions | 5.5-mm × 3.5-mm, 0.5-mm pitch | mm |
| Junction-to-Ambient Thermal Resistance (θJA) | 37.4 | °C/W |
| Operating Temperature Range | -40 °C to 85 °C | °C |
Key Features
- Two boost converters to supply AVDD for full application
- Programmable VGH and VCOM with temperature compensation
- Integrated E2PROM for configuration storage
- I2C interface for E2PROM programming
- Two operational amplifiers
- Gate voltage shaping and TCON reset signal generator with programmable delay
- Thermal shutdown protection
- Supports GIP and non-GIP displays
Applications
- Notebook PCs
- Tablet PCs
Q & A
- What is the primary application of the TPS65640RHRR?
The TPS65640RHRR is primarily intended for use in notebook and tablet PCs.
- What is the input voltage range of the TPS65640RHRR?
The input voltage range is 2.5-V to 5.5-V.
- What is the voltage range of the boost converter (AVDD)?
The boost converter (AVDD) voltage range is 3.6 to 12.7 V.
- What is the programmable VCOM voltage range?
The programmable VCOM voltage range is -4.1 V to 0.2 V.
- What type of package does the TPS65640RHRR come in?
The TPS65640RHRR comes in a 28-pin WQFN (RHR) package.
- What are the dimensions of the package?
The package dimensions are 5.5-mm × 3.5-mm with a 0.5-mm pitch.
- Does the TPS65640RHRR support both GIP and non-GIP displays?
- What is the operating temperature range of the TPS65640RHRR?
The operating temperature range is -40 °C to 85 °C.
- Does the TPS65640RHRR have thermal shutdown protection?
- How is the E2PROM programmed in the TPS65640RHRR?
The E2PROM is programmed through an I2C interface.
