Product details

Display type LCD bipolar IC integration LCD bias Vin (Min) (V) 2.9 Vin (Max) (V) 5 Source driver voltage (Min) (V) -5 Source driver voltage (Max) (V) 5 Level shifter/scan driver (ch) 0 V_POS (Min) (V) 5 V_POS (Max) (V) 5 V_NEG (Min) (V) -5 V_NEG (Max) (V) -5 Topology Split-Rail Rating Catalog
Display type LCD bipolar IC integration LCD bias Vin (Min) (V) 2.9 Vin (Max) (V) 5 Source driver voltage (Min) (V) -5 Source driver voltage (Max) (V) 5 Level shifter/scan driver (ch) 0 V_POS (Min) (V) 5 V_POS (Max) (V) 5 V_NEG (Min) (V) -5 V_NEG (Max) (V) -5 Topology Split-Rail Rating Catalog
WSON (DPD) 12 9 mm² 3 x 3
  • 2.9-V to 5.0-V Input Voltage Range
  • Fixed 5.0-V Positive Output Voltage (VPOS)
  • Fixed –5.0-V Negative Output Voltage
    (VNEG)
  • ±1% Output Voltage Accuracy
  • High Efficiency
  • 250-mA Output Current Capability
  • Independent Converter Operation Allows 100%
    Output Current Mismatch
  • Excellent Line and Load Transient Response
  • Operates in CCM to Minimize Output Noise
  • Boost Converter able to Operate with Input Supply
    Voltages close to 5.0 V
  • Short-Circuit Protection
  • Thermal Shutdown
  • 2.9-V to 5.0-V Input Voltage Range
  • Fixed 5.0-V Positive Output Voltage (VPOS)
  • Fixed –5.0-V Negative Output Voltage
    (VNEG)
  • ±1% Output Voltage Accuracy
  • High Efficiency
  • 250-mA Output Current Capability
  • Independent Converter Operation Allows 100%
    Output Current Mismatch
  • Excellent Line and Load Transient Response
  • Operates in CCM to Minimize Output Noise
  • Boost Converter able to Operate with Input Supply
    Voltages close to 5.0 V
  • Short-Circuit Protection
  • Thermal Shutdown

The TPS65133 is designed to supply any system requiring ±5.0-V supply rails. Each output can supply up to 250 mA of output current. The input supply voltage range is suitable for use with lithium ion batteries or from a fixed 3.3-V supply.

Efficiency is typically over 90% for most applications (operating from a lithium ion battery, output currents in the range 50 mA to 200 mA). The two converters in the TPS65133 device operate independently, allowing 100% mismatch between positive and negative output currents.

The TPS65133 is designed to supply any system requiring ±5.0-V supply rails. Each output can supply up to 250 mA of output current. The input supply voltage range is suitable for use with lithium ion batteries or from a fixed 3.3-V supply.

Efficiency is typically over 90% for most applications (operating from a lithium ion battery, output currents in the range 50 mA to 200 mA). The two converters in the TPS65133 device operate independently, allowing 100% mismatch between positive and negative output currents.

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TPS65130 ACTIVE Split-Rail Converter with Dual, Positive and Negative Outputs (300mA typ) This product has the ability to go up to +/-15V instead of being fixed at +/-5.0V.
TPS65132 ACTIVE Split-Rail, Single Inductor Dual Output Converter with Positive and Negative Outputs This product is +/-4...6V at 80mA (compared to being fixed at +/-5.0V at 250mA).

Technical documentation

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Type Title Date
* Data sheet TPS65133 ±5-V, 250-mA Dual-Output Power Supply datasheet (Rev. A) 20 Apr 2015
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
Technical article The top three ways to split a voltage rail to a bipolar supply 27 Dec 2016
Technical article Where did the op amp ground pin go? 18 Mar 2016
EVM User's guide TPS65133 Evaluation Module 20 May 2015
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. C) 08 Jan 2014
Technical article Everything is bigger in Texas 16 Dec 2013
Application note Minimizing Ringing at the Switch Node of a Boost Converter 15 Sep 2006

Design & development

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Evaluation board

TPS65133EVM-699 — TPS65133 +/-5 V Split Rail Converter Evaluation Module

The TPS65133 EVM is designed to evaluate the capabilities of the part to drive LCD displays requiring a positive and negative supply rail. TPS65133 may also be used as a general ±5 V supply for operational amplifiers or other devices requiring similar positive and negative supplies. The (...)

Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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WSON (DPD) 12 View options

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