TPS65631 Overview
The TPS65631 is designed to drive AMOLED (Active Matrix Organic Light Emitting Diode) displays requiring positive and negative supply rails. The device integrates a boost converter for VPOS and an inverting buck boost converter for VNEG and is suitable for battery-operated products. The digital control pin (CTRL) allows programming the negative output voltage in digital steps.
TPS65631 Key Features
- 1 2.9-V to 4.5-V Input Voltage Range
- Fixed 4.6-V Positive Output Voltage
- 0.5% VPOS Accuracy from 25ºC to 85ºC
- Separate VPOS Output Sense Pin
- Negative Output Voltage Digitally Programmable
- Output Currents up to 250 mA Supported
- Excellent Line Transient Regulation
- Short-Circuit Protection
- Thermal Shutdown
- Available in 3.00-mm × 3.00-mm, 12-Pin QFN