TPS65186 Description
The TPS65186 device is a single-chip power supply designed to for E Ink Vizplex displays used in portable e-reader applications, and the device supports panel sizes up to 9.7 inches and greater. Two high-efficiency DC-DC boost converters generate ±16-V rails that are boosted to 22 V and 20 V by two change pumps to provide the gate driver supply for the Vizplex panel. Two tracking LDOs create the ±15-V source driver...
TPS65186 Key Features
- 1 Single Chip Power-Management Solution for E Ink® Vizplex™ Electronic Paper Displays
- Generates Positive and Negative Gates, Source Driver Voltages, and Back-Plane Bias From a Single, Low-Voltage Input Supp
- Supports 9.7 Inch and Larger Panel Size
- 3-V to 6-V Input Voltage Range
- Boost Converter for Positive Rail Base
- Inverting Buck-Boost Converter for Negative Rail
- Two Adjustable LDOs for Source Driver Supply
- LDO1: 15 V, 120 mA (VPOS)
- LDO2: -15 V, 120 mA (VNEG)
- Accurate Output Voltage Tracking
TPS65186 Applications
- Power Supply for Active Matrix E Ink Vizplex Panels