TPS65182B - PMIC，用于启用 E Ink Vizplex 技术的电子纸显示器

TPS65182B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，TPS65182B是PMIC，用于启用 E Ink Vizplex 技术的电子纸显示器，本站介绍了TPS65182B的封装应用图解、特点和优点、功能等，并给出了与TPS65182B相关的TI元器件型号供参考。

TPS65182B - PMIC，用于启用 E Ink Vizplex 技术的电子纸显示器 - 电流感应放大器、I2C/PMBus监控器 - 保护、监控和热插拔 - 德州仪器

产品描述

The TPS65182/TPS65182B device is a single-chip power supplies designed to for E Ink® Vizplex™ displays used in portable e-reader applications and support panel sizes up to 9.7 inches. Two high efficiency DC/DC boost converters generate ±17-V rails which 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 which support up to 120-mA of output current. All rails are adjustable through the I2C interface to accommodate specific panel requirements.

Accurate back-plane biasing is provided by a linear amplifier and can be adjusted either by an external resistor or the I2C interface. The VCOM driver can source or sink current depending on panel condition.

The TPS65182/TPS65182B provides precise temperature measurement function to monitor the panel temperature during operation. The temperature reading is updated every 60 s and can be accessed through the I2C interface.

产品特性

Single Chip Power Management Solution for E Ink® Vizplex™ Electronic Paper Displays
Generates Positive and Negative Gate and Source Driver Voltages and Back-Plane Bias from a Single, Low-Voltage Input Supply
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
- –0.3 V to –2.5 V
- Adjustable Through External Potentiometer
- 15-mA Max Integrated Switch
Thermistor Monitoring
- –10°C to 85°C Temperature Range
- ±1°C Accuracy from 0°C to 50°C
I2C Serial Interface
- Slave Address 0x48h (1001000)
Flexible Power-Up Sequencing
Sleep Mode Support
Thermally Enhanced Package for Efficient Heat Management (48-Pin 7 mm × 7 mm × 0.9 mm QFN)
APPLICATIONS
- Power Supply for Active Matrix E Ink® Vizplex™ Panels
- E-Book Readers
- EPSON® S1D13522 (ISIS) Timing Controller
- EPSON® S1D13521 (Broadsheet) Timing Controller
- Application Processors With Integrated or Software Timing Controller (OMAP™)

OMAP is a trademark of Texas Instruments. Vizplex is a trademark of E Ink Corporation. E Ink is a registered trademark of E Ink Corporation. EPSON is a registered trademark of Seiko Epson Corporation.

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