TPS65185RGZR

• Single Chip Power-Management Solution for
E Ink® Vizplex™ Electronic Paper (E-Paper)
Displays
• Generates Positive and Negative Gates, and
Source Driver Voltages and Back-Plane Bias
From a Single, Low-Voltage Input Supply
• Supports 9.7-Inch and Larger Panel Sizes
• 3-V to 6-V Input Voltage Range
• Boost Converter for Positive Rail Base
• Inverting Buck-Boost Converter for Negative Rail
Base
• Two Adjustable LDOs for Source Driver Supply
– TPS65185 LDO1: 15 V, 120 mA (VPOS)
– TPS65185 LDO2: –15 V, 120 mA (VNEG)
– TPS651851 LDO1: 15 V, 200 mA at
VIN ≥ 3.6 V (VPOS)
– TPS651851 LDO2: –15 V, 200 mA at
VIN ≥ 3.6 V (VNEG)
• Accurate Output Voltage Tracking
– VPOS – VNEG = ±50 mV
• Two Charge Pumps for Gate Driver Supply
– CP1: 22 V, 15 mA (VDDH)
– CP2: –20 V, 15 mA, (VEE)
• Adjustable VCOM Driver for Accurate PanelBackplane Biasing
– 0 V to –5.11 V
– ± 1.5% accuracy (±10 mV)
– 9-Bit Control (10-mV Nominal Step Size)
• Active Discharge on All Rails
• Integrated 10-Ω, 3.3-V Power Switch for Disabling
System Power Rail to E-Ink Panel