Product details

Display type AMOLED IC integration AMOLED bias Vin (Min) (V) 2.9 Vin (Max) (V) 4.5 Source driver voltage (Min) (V) 5.8 Source driver voltage (Max) (V) 7.7 Level shifter/scan driver (ch) 0 V_POS (Min) (V) 4.6 V_POS (Max) (V) 4.6 V_NEG (Min) (V) -5.4 V_NEG (Max) (V) -1.4 Features Digital control interface Topology Boost, Buck-Boost Rating Catalog
Display type AMOLED IC integration AMOLED bias Vin (Min) (V) 2.9 Vin (Max) (V) 4.5 Source driver voltage (Min) (V) 5.8 Source driver voltage (Max) (V) 7.7 Level shifter/scan driver (ch) 0 V_POS (Min) (V) 4.6 V_POS (Max) (V) 4.6 V_NEG (Min) (V) -5.4 V_NEG (Max) (V) -1.4 Features Digital control interface Topology Boost, Buck-Boost Rating Catalog
WQFN (RTE) 16 9 mm² 3 x 3
  • 2.9-V to 4.5-V Input Voltage Range
  • Boost Converter 1 (VPOS)
    • 4.6-V Output Voltage
    • 0.5% Accuracy (25°C to 85°C )
    • Dedicated Output Sense Pin
    • 300-mA Output Current
  • Inverting Buck-Boost Converter (VNEG)
    • –1.5-V to –5.4-V Programmable Output
      Voltage
    • –4-V Default Output Voltage
    • 300-mA Output Current
  • Boost Converter 2 (AVDD)
    • 5.8-V or 7.7-V Output Voltage
    • 30-mA Output Current
  • Excellent Line Transient Regulation
  • Short-Circuit Protection
  • Thermal Shutdown
  • 3-mm × 3-mm, 16-Pin WQFN Package
  • 2.9-V to 4.5-V Input Voltage Range
  • Boost Converter 1 (VPOS)
    • 4.6-V Output Voltage
    • 0.5% Accuracy (25°C to 85°C )
    • Dedicated Output Sense Pin
    • 300-mA Output Current
  • Inverting Buck-Boost Converter (VNEG)
    • –1.5-V to –5.4-V Programmable Output
      Voltage
    • –4-V Default Output Voltage
    • 300-mA Output Current
  • Boost Converter 2 (AVDD)
    • 5.8-V or 7.7-V Output Voltage
    • 30-mA Output Current
  • Excellent Line Transient Regulation
  • Short-Circuit Protection
  • Thermal Shutdown
  • 3-mm × 3-mm, 16-Pin WQFN Package

The TPS65632 is designed to drive AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring three supply rails, VPOS, VNEG and AVDD. The device integrates a boost converter for VPOS, an inverting buck-boost converter for VNEG, and a boost converter for AVDD, all of which are suitable for battery operated products. The digital control pin (CTRL) allows programming the negative output voltage in digital steps. The TPS65632 uses a novel technology enabling excellent line and load regulation.

The TPS65632 is designed to drive AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring three supply rails, VPOS, VNEG and AVDD. The device integrates a boost converter for VPOS, an inverting buck-boost converter for VNEG, and a boost converter for AVDD, all of which are suitable for battery operated products. The digital control pin (CTRL) allows programming the negative output voltage in digital steps. The TPS65632 uses a novel technology enabling excellent line and load regulation.

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Technical documentation

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Type Title Date
* Data sheet TPS65632 Triple-Output AMOLED Display Power Supply datasheet (Rev. A) 11 Jan 2016
Application note Understanding Undervoltage Lockout in Power Devices (Rev. A) 19 Sep 2018
Application note Basic calculation of an inverting buck-boost power stage (Rev. A) 28 Aug 2017
User guide TPS65632 Evaluation Module User's Guide 15 Jan 2016
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. C) 08 Jan 2014
Application note Minimizing Ringing at the Switch Node of a Boost Converter 15 Sep 2006

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Evaluation board

TPS65632EVM-712 — TPS65632 Triple-Output AMOLED Display Power Supply Evaluation Module

The TPS65632 is designed to drive AMOLED displays requiring V(AVDD), V(POS), V(NEG). The device integrates a boost converter for V(POS), an inverting buck-boost converter for V(NEG), and a boost converter for V(AVDD), which are suitable for battery operated products. The digital interface control (...)

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WQFN (RTE) 16 View options

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