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TPS65186

更新时间： 2024-11-16 11:58:27
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47页 2587K
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PMIC FOR E Ink® Vizplex™ ENABLED ELECTRONIC PAPER DISPLAY

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TPS65186 数据手册

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TPS65186  
www.ti.com  
SLVSB04 –JULY 2011  
PMIC FOR E Ink® Vizplex™ ENABLED ELECTRONIC PAPER DISPLAY  
Check for Samples: TPS65186  
•
•
•
Flexible Power-Up and Power Down  
Sequencing  
Integrated 10-Ω, 3.3-V Power Switch for  
Disabling System Power Rail to E-Ink Panel  
1
FEATURES  
2345  
•
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  
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  
Thermistor Monitoring  
–
–10°C to 85°C Temperature Range  
±1°C Accuracy from 0°C to 50°C  
–
•
•
•
•
•
•
I2C Serial Interface  
Slave Address 0x48h  
Package Options:  
–
–
48-Pin, 0.5 mm Pitch,  
7 mm x 7 mm x 0.9 mm (QFN) RGZ  
•
Two Adjustable LDOs for Source Driver  
Supply  
APPLICATIONS  
•
–
–
LDO1: 15 V, 120 mA (VPOS)  
LDO2: –15 V, 120 mA (VNEG)  
Power Supply for Active Matrix E Ink®  
Vizplex™ Panels  
EPD Power Supply  
•
•
Accurate Output Voltage Tracking  
VPOS - VNEG = ±50 mV  
Two Charge Pumps for Gate Driver Supply  
•
•
•
•
–
E-Book Readers  
EPSON® S1D13522 (ISIS) Timing Controller  
–
–
CP1: 22 V, 10 mA (VDDH)  
CP2: –20 V, 12 mA, (VEE)  
EPSON® S1D13521 (Broadsheet) Timing  
Controller  
•
Adjustable VCOM Driver for Accurate  
Panel-Backplane Biasing  
•
Application Processors With Integrated or  
Software Timing Controller ( OMAP™)  
–
–
–
–
User Programmable Default  
0 V to -5.11 V  
± 1.5% accuracy (±10 mV)  
9-Bit Control (10-mV Nominal Step Size)  
DESCRIPTION  
The TPS65186 is a single-chip power supply designed to for E Ink® Vizplex™ displays used in portable e-reader  
applications and supports panel sizes up to 9.7 inches and greater. Two high efficiency DC/DC boost converters  
generate ±16-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 that can be adjusted from 0 V to -5.11 V with 9-bit  
control through the serial interface and can source or sink current depending on panel condition. The TPS65186  
supports automatic panel kickback voltage measurement which eliminates the need of manual VCOM calibration  
in the production line. The measurement result can be stored in non-volatile memory to become the new VCOM  
power-up default value.  
TPS65186 is available in a 48-pin 7x7 mm2 QFN with 0.5-mm pitch.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
4
5
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.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2011, Texas Instruments Incorporated  
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TPS65186 替代型号

型号 品牌 替代类型 描述 数据表
TPS65180B TI

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TPS65182B TI

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