Home Energiemanagement Stromversorgung und Treiber für LCD & OLED -Displays

TPS65135

AKTIV

Split-Rail-Wandler, ein-Induktor, SIMO-Regler (Multiple Output)

Produktdetails

Display type LCD bipolar IC integration LCD bias Vin (min) (V) 2.5 Vin (max) (V) 5.5 Applications 7 inches or less Source driver voltage (min) (V) -7 Source driver voltage (max) (V) 6 Level shifter/scan driver (Ch) 0 V_POS (min) (V) 3 V_POS (max) (V) 6 V_NEG (min) (V) -7 V_NEG (max) (V) -2.5 Topology Split-Rail Rating Catalog Operating temperature range (°C) -40 to 85
Display type LCD bipolar IC integration LCD bias Vin (min) (V) 2.5 Vin (max) (V) 5.5 Applications 7 inches or less Source driver voltage (min) (V) -7 Source driver voltage (max) (V) 6 Level shifter/scan driver (Ch) 0 V_POS (min) (V) 3 V_POS (max) (V) 6 V_NEG (min) (V) -7 V_NEG (max) (V) -2.5 Topology Split-Rail Rating Catalog Operating temperature range (°C) -40 to 85
WQFN (RTE) 16 9 mm² (3 mm × 3 mm)
  • Single-Inductor, Multiple-Output Topology
  • 2.5-V to 5.5-V Input Voltage Range
  • 750-mW Output Power at VI = 2.9 V
  • Positive Output Voltages Up to 6 V
  • Negative Output Voltage Down to –7 V
  • 1% Output Voltage Accuracy
  • Up to 50% Output Current Mismatch Allowed
  • Excellent Line Regulation
  • Advanced Power-Save Mode for Light-Load Efficiency
  • Low-Noise Operation
  • Out-of-Audio Mode
  • Short-Circuit Protection
  • Thermal Shutdown
  • 3-mm × 3-mm Thin QFN Package
  • Single-Inductor, Multiple-Output Topology
  • 2.5-V to 5.5-V Input Voltage Range
  • 750-mW Output Power at VI = 2.9 V
  • Positive Output Voltages Up to 6 V
  • Negative Output Voltage Down to –7 V
  • 1% Output Voltage Accuracy
  • Up to 50% Output Current Mismatch Allowed
  • Excellent Line Regulation
  • Advanced Power-Save Mode for Light-Load Efficiency
  • Low-Noise Operation
  • Out-of-Audio Mode
  • Short-Circuit Protection
  • Thermal Shutdown
  • 3-mm × 3-mm Thin QFN Package

The TPS65135 device is a high-efficiency split-rail power supply. Thanks to its single-inductor, multiple-output (SIMO) topology, the converter uses very few external components. The device operates with a buck-boost topology and generates positive and negative output voltages above or below the input supply voltage. The SIMO topology achieves excellent line and load regulation, which is necessary, for example, to avoid disturbance of a mobile phone display as a result of input voltage variations that occur during transmit periods in mobile communication systems. The device can also be used as a general-purpose split-rail supply as long as the output current mismatch between the rails is less than 50%.

The TPS65135 device is a high-efficiency split-rail power supply. Thanks to its single-inductor, multiple-output (SIMO) topology, the converter uses very few external components. The device operates with a buck-boost topology and generates positive and negative output voltages above or below the input supply voltage. The SIMO topology achieves excellent line and load regulation, which is necessary, for example, to avoid disturbance of a mobile phone display as a result of input voltage variations that occur during transmit periods in mobile communication systems. The device can also be used as a general-purpose split-rail supply as long as the output current mismatch between the rails is less than 50%.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt TPS65135 Single-Inductor, Multiple-Output Regulator datasheet (Rev. C) PDF | HTML 30.01.2017
Anwendungshinweis Understanding Undervoltage Lockout in Power Devices (Rev. A) 19.09.2018
Auswahlhilfe Power Management Guide 2018 (Rev. R) 25.06.2018
Benutzerhandbuch TPS65135 SIMO Converter Evaluation Module 28.10.2011
Anwendungshinweis Minimizing Ringing at the Switch Node of a Boost Converter 15.09.2006

Design und Entwicklung

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Evaluierungsplatine

TPS65135EVM-265 — TPS65135 SIMO-Konverter-Evaluierungsmodul

The Texas Instruments TPS65135EVM evaluation module uses a TPS65135 single-inductor, multipleoutput regulator to provide both a positive and negative power rail. The goal of the EVM is to facilitate evaluation of the TPS65135. The user's guide describes the characteristics, operation, and use of (...)

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