TPS65185 - PMIC，用于启用 E-Ink? Vizplex? 技术的电子纸显示器，具有有源放电功能

TPS65185是TI德州仪器公司的一款电流感应放大器、I2C/PMBus监控器产品，TPS65185是PMIC，用于启用 E-Ink? Vizplex? 技术的电子纸显示器，具有有源放电功能，本站介绍了TPS65185的封装应用图解、特点和优点、功能等，并给出了与TPS65185相关的TI元器件型号供参考。

TPS65185 - PMIC，用于启用 E-Ink? Vizplex? 技术的电子纸显示器，具有有源放电功能 - 电流感应放大器、I2C/PMBus监控器 - 保护、监控和热插拔 - 德州仪器

产品特性

Single Chip Power-Management Solution forE Ink®Vizplex™ Electronic 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 Size
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
- LDO1: 15 V, 120 mA (VPOS)
- LDO2: –15 V, 120 mA (VNEG)
Accurate Output Voltage Tracking
- VPOS – VNEG = ±50 mV
Two Charge Pumps for Gate Driver Supply
- CP1: 22 V, 10 mA (VDDH)
- CP2: –20 V, 12 mA, (VEE)
Adjustable VCOM Driver for Accurate Panel-Backplane 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

产品应用

Power Supply for Active Matrix E Ink Vizplex Panels
EPD Power Supplies
E-Book Readers
EPSON® S1D13522 (ISIS) Timing Controller
EPSON® S1D13521 (Broadsheet) Timing Controller
Application Processors With Integrated or Software Timing Controller (OMAP™)

产品说明

The TPS65185 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 supplies that support up to 120 mA of output current. All rails are adjustable through the I2C interface to accommodate specific panel requirements.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS65185	VQFN (48)	7.00 mm × 7.00 mm
TPS65185	VQFN (48)	6.00 mm × 6.00 mm

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