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TPS65181B

更新时间： 2024-09-29 08:38:39
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德州仪器 - TI 集成电源管理电路电子
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44页 1010K
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PMIC FOR E Ink Vizplex ENABLED ELECTRONIC PAPER DISPLAY

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TPS65181B 数据手册

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TPS65180, TPS65181, TPS65180B, TPS65181B  
www.ti.com  
SLVSA76F –MARCH 2010–REVISED FEBRUARY 2011  
PMIC FOR E Ink® Vizplex™ ENABLED ELECTRONIC PAPER DISPLAY  
Check for Samples: TPS65180, TPS65181, TPS65180B, TPS65181B  
1
FEATURES  
•
•
Thermistor Monitoring  
2345  
•
Single Chip Power Management Solution for  
–
–10°C to 85°C Temperature Range  
E Ink® Vizplex™ Electronic Paper Displays  
–
±1°C Accuracy from 0°C to 50°C  
I2C Serial Interface  
Slave Address 0x48h (1001000)  
•
Generates Positive and Negative Gate and  
Source Driver Voltages and Back-Plane Bias  
from a Single, Low-Voltage Input Supply  
–
•
•
•
Flexible Power-Up Sequencing  
•
•
•
3-V to 6-V Input Voltage Range  
Interrupt and Sleep Mode Support  
Boost Converter for Positive Rail Base  
Thermally Enhanced Package for Efficient  
Heat Management  
(48-Pin 7 mm x 7 mm x 0.9 mm QFN)  
Inverting Buck-Boost Converter for Negative  
Rail Base  
•
Two Adjustable LDOs for Source Driver  
Supply  
APPLICATIONS  
•
Power Supply for Active Matrix E Ink®  
Vizplex™ Panels  
–
–
LDO1: 15 V, 120 mA (VPOS)  
LDO2: –15 V, 120 mA (VNEG)  
•
•
•
•
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  
EPSON® S1D13521 (Broadsheet) Timing  
Controller  
–
–
CP1: 22 V, 10 mA (VDDH)  
CP2: –20 V, 12 mA, (VEE)  
•
Application Processors With Integrated or  
Software Timing Controller ( OMAP™)  
•
Adjustable VCOM Driver for Accurate  
Panel-Backplane Biasing  
–
–
–
–
–0.3 V to –2.5 V  
±1.5% Accuracy (±18 mV)  
8-Bit Control (11-mV Nominal Step Size)  
15-mA Max Integrated Switch  
•
Integrated 3.3-V Power Switch for Disabling  
System Power Rail  
DESCRIPTION  
The TPS65180/TPS65181 and TPS65180B/TPS65181B family of devices are 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. For automatic  
VCOM adjustment in production line, VCOM can be set from –0.3 V to –2.5 V with 8-bit control through the serial  
interface. The power switch is integrated to isolate VCOM driver from E Ink® panel.  
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.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
© 2010–2011, Texas Instruments Incorporated  
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TPS65181B 替代型号

型号 品牌 替代类型 描述 数据表
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