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TPS65180B

ACTIVE

PMIC for E Ink Vizplex Enabled Electronic Paper Display

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Data sheet

TPS65180B

ACTIVE
Data sheet Order now

Product details

Regulated outputs (#) 0 Configurability Software configurable Vin (min) (V) 3 Vin (max) (V) 6 Vout (max) (V) 17 Iout (max) (A) 0 Features Enable, Enable pin, I2C control, Power sequencing, Soft-start adjustable, Thermal shutdown Step-up DC/DC converter 0 Step-down DC/DC converter 0 Step-down DC/DC controller 0 Step-up DC/DC controller 0 LDO 0 Iq (typ) (mA) 5.5 Rating Catalog Switching frequency (max) (kHz) 1000 Operating temperature range (°C) -10 to 85 Processor supplier E Ink Processor name Vizplex Shutdown current (ISD) (typ) (µA) 2.8 Switching frequency (typ) (kHz) 1000
Regulated outputs (#) 0 Configurability Software configurable Vin (min) (V) 3 Vin (max) (V) 6 Vout (max) (V) 17 Iout (max) (A) 0 Features Enable, Enable pin, I2C control, Power sequencing, Soft-start adjustable, Thermal shutdown Step-up DC/DC converter 0 Step-down DC/DC converter 0 Step-down DC/DC controller 0 Step-up DC/DC controller 0 LDO 0 Iq (typ) (mA) 5.5 Rating Catalog Switching frequency (max) (kHz) 1000 Operating temperature range (°C) -10 to 85 Processor supplier E Ink Processor name Vizplex Shutdown current (ISD) (typ) (µA) 2.8 Switching frequency (typ) (kHz) 1000
VQFN (RGZ) 48 49 mm² 7 x 7
  • 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
    • ±1.5% Accuracy (±18 mV)
    • 8-Bit Control (11-mV Nominal Step Size)
    • 15-mA Maximum Integrated Switch
  • Integrated 3.3-V Power Switch for Disabling
    System Power Rail
  • 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
  • Interrupt and Sleep Mode Support
  • Thermally-Enhanced Package for Efficient Heat
    Management (48-Pin 7 mm × 7 mm × 0.9 mm VQFN)
  • APPLICATIONS
    • Power Supply for Active Matrix E Ink Vizplex
      Panels
    • EPD Power Supply
    • E-Book Readers
    • EPSON® S1D13522 (ISIS) Timing
      Controller
    • EPSON S1D13521 (Broadsheet) Timing Controller
    • Application Processors With Integrated
      or Software Timing Controller (OMAP)

All other trademarks are the property of their respective owners
  • 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
    • ±1.5% Accuracy (±18 mV)
    • 8-Bit Control (11-mV Nominal Step Size)
    • 15-mA Maximum Integrated Switch
  • Integrated 3.3-V Power Switch for Disabling
    System Power Rail
  • 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
  • Interrupt and Sleep Mode Support
  • Thermally-Enhanced Package for Efficient Heat
    Management (48-Pin 7 mm × 7 mm × 0.9 mm VQFN)
  • APPLICATIONS
    • Power Supply for Active Matrix E Ink Vizplex
      Panels
    • EPD Power Supply
    • E-Book Readers
    • EPSON® S1D13522 (ISIS) Timing
      Controller
    • EPSON S1D13521 (Broadsheet) Timing Controller
    • Application Processors With Integrated
      or Software Timing Controller (OMAP)

All other trademarks are the property of their respective owners

The TPS6518x and TPS65181xB 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.

The TPS6518x and TPS65181xB devices provide precise temperature measurement function to monitor the panel temperature during operation. The TPS65180 and TPS65180B requires the host processor to trigger the temperature acquisition through an I2C write whereas the TPS65181 and TPS65181B automatically updates the temperature every 60 s.

The TPS6518x and TPS65181xB 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.

The TPS6518x and TPS65181xB devices provide precise temperature measurement function to monitor the panel temperature during operation. The TPS65180 and TPS65180B requires the host processor to trigger the temperature acquisition through an I2C write whereas the TPS65181 and TPS65181B automatically updates the temperature every 60 s.
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Type Title Date
* Data sheet TPS6518xx PMIC for E Ink® Vizplex™-Enabled Electronic Paper Display datasheet (Rev. G) PDF | HTML 15 Jan 2016
Application note Understanding Undervoltage Lockout in Power Devices (Rev. A) 19 Sep 2018
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 Aug 2015

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