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TPS65137

現行

具數位 Vneg 調節的雙路正負輸出

立即訂購
產品規格表

TPS65137

現行
產品規格表 立即訂購

產品詳細資料

Display type AMOLED IC integration AMOLED bias Vin (min) (V) 2.3 Vin (max) (V) 5.5 Applications 7 inches or less Level shifter/scan driver (Ch) 0 V_POS (min) (V) 4.63 V_POS (max) (V) 4.63 V_NEG (min) (V) -5.2 V_NEG (max) (V) -2.2 Features Digital control interface Topology Boost, Inverting Buck-Boost Rating Catalog Operating temperature range (°C) -40 to 85
Display type AMOLED IC integration AMOLED bias Vin (min) (V) 2.3 Vin (max) (V) 5.5 Applications 7 inches or less Level shifter/scan driver (Ch) 0 V_POS (min) (V) 4.63 V_POS (max) (V) 4.63 V_NEG (min) (V) -5.2 V_NEG (max) (V) -2.2 Features Digital control interface Topology Boost, Inverting Buck-Boost Rating Catalog Operating temperature range (°C) -40 to 85
WSON (DSC) 10 9 mm² 3 x 3
  • 2.3 V to 5.5 V Input Voltage Range
  • 1% Output Voltage Accuracy VPOS
  • Excellent Line Transient Regulation
  • Low Noise Operation
  • 200 mA Output Current
  • Fixed 4.63 V Positive Output Voltage
  • Digitally Programmable Negative Output
    Voltage Down to –5.23V
  • –4.93V Default Value for VNEG
  • Advanced Power Save Mode
  • Short Circuit Protection
  • Thermal Shutdown
  • TPS65137A High impedance output in shutdown
  • 3×3 mm 10 Pin QFN Package
  • 2.3 V to 5.5 V Input Voltage Range
  • 1% Output Voltage Accuracy VPOS
  • Excellent Line Transient Regulation
  • Low Noise Operation
  • 200 mA Output Current
  • Fixed 4.63 V Positive Output Voltage
  • Digitally Programmable Negative Output
    Voltage Down to –5.23V
  • –4.93V Default Value for VNEG
  • Advanced Power Save Mode
  • Short Circuit Protection
  • Thermal Shutdown
  • TPS65137A High impedance output in shutdown
  • 3×3 mm 10 Pin QFN Package

The TPS65137 is designed to provide best in class picture quality for AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative voltage supply rails. With its wide input voltage range the device is ideally suited for AMOLED displays, which are used in mobile phones and smart phones. With this device the input voltage can be higher than the positive output voltage and still maintains accurate regulation of VPOS. Using the digital control pin (CTRL) allows adjusting the negative output voltage in digital steps. The TPS65137 uses a novel technology enabling excellent line and load regulation with minimum output voltage ripple by using a LDO post regulator for VPOS. This is required avoiding disturbance of the AMOLED display due to input voltage transients occurring during transmit periods in mobile phones.

The TPS65137 is designed to provide best in class picture quality for AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative voltage supply rails. With its wide input voltage range the device is ideally suited for AMOLED displays, which are used in mobile phones and smart phones. With this device the input voltage can be higher than the positive output voltage and still maintains accurate regulation of VPOS. Using the digital control pin (CTRL) allows adjusting the negative output voltage in digital steps. The TPS65137 uses a novel technology enabling excellent line and load regulation with minimum output voltage ripple by using a LDO post regulator for VPOS. This is required avoiding disturbance of the AMOLED display due to input voltage transients occurring during transmit periods in mobile phones.
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類型 標題 日期
* Data sheet 200mA Dual Output AMOLED Display Power datasheet (Rev. A) 2012年 10月 10日
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 2022年 10月 28日
Application note Understanding Undervoltage Lockout in Power Devices (Rev. A) 2018年 9月 19日
Application note Basic calculation of an inverting buck-boost power stage (Rev. A) 2017年 8月 28日
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 2015年 8月 17日
User guide TPS65137A Evaluation Module 2010年 8月 13日
Application note Minimizing Ringing at the Switch Node of a Boost Converter 2006年 9月 15日

設計與開發

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開發板

TPS65137AEVM-366 — TPS65137A 評估模組

The Texas Instruments TPS65137AEVM-366 uses a TPS65137A 200-mA, dual-output, AMOLED (Active Matrix Organic Light-Emitting Diode) display power regulator to provide both a positive and negative power rail. The goal of the EVM is to facilitate evaluation of the TPS65137A. The TPS65137A is designed to (...)

使用指南: PDF
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支援軟體

SLVC405 — TPS65137AEVM-366 Software

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產品
LCD 及 OLED 顯示器電源和驅動器
TPS65137 — 具數位 Vneg 調節的雙路正負輸出
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開發板
TPS65137AEVM-366 — TPS65137A 評估模組
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