TPS65130

ACTIVE

Split-Rail Converter with Dual, Positive and Negative Outputs (300mA typ)

Product details

Display type LCD bipolar IC integration LCD bias Vin (min) (V) 2.7 Vin (max) (V) 5.5 Applications 7 inches or less, 7 to 13 inches Source driver voltage (min) (V) -15 Source driver voltage (max) (V) 15 Level shifter/scan driver (Ch) 0 V_POS (min) (V) 3.2 V_POS (max) (V) 15 V_NEG (min) (V) -15 V_NEG (max) (V) -2 Features Adjustable sequencing Topology Split-Rail Rating Catalog Operating temperature range (°C) -40 to 85
Display type LCD bipolar IC integration LCD bias Vin (min) (V) 2.7 Vin (max) (V) 5.5 Applications 7 inches or less, 7 to 13 inches Source driver voltage (min) (V) -15 Source driver voltage (max) (V) 15 Level shifter/scan driver (Ch) 0 V_POS (min) (V) 3.2 V_POS (max) (V) 15 V_NEG (min) (V) -15 V_NEG (max) (V) -2 Features Adjustable sequencing Topology Split-Rail Rating Catalog Operating temperature range (°C) -40 to 85
VQFN (RGE) 24 16 mm² 4 x 4
  • Input voltage range: 2.7-V to 5.5-V
  • VPOS positive boost converter output
    • Adjustable output: up to 15 V
    • Two switch current limit options: 0.8 A and 2 A
    • Conversion efficiency: up to 89%
  • VNEG negative inverting buck-boost converter output
    • Adjustable output: down to –15 V
    • Two switch current limit options: 0.8 A and 2 A
    • Conversion efficiency: up to 81%
  • Control output for external P-channel FET supports complete disconnection from battery
  • 1-µA shutdown current
  • Individual enable inputs for flexible output sequencing
  • Protection features
    • Overvoltage protection at VPOS and VNEG
    • Input undervoltage lockout
    • Thermal shutdown protection
  • 4-mm × 4-mm VQFN-24 package (RGE)
  • Input voltage range: 2.7-V to 5.5-V
  • VPOS positive boost converter output
    • Adjustable output: up to 15 V
    • Two switch current limit options: 0.8 A and 2 A
    • Conversion efficiency: up to 89%
  • VNEG negative inverting buck-boost converter output
    • Adjustable output: down to –15 V
    • Two switch current limit options: 0.8 A and 2 A
    • Conversion efficiency: up to 81%
  • Control output for external P-channel FET supports complete disconnection from battery
  • 1-µA shutdown current
  • Individual enable inputs for flexible output sequencing
  • Protection features
    • Overvoltage protection at VPOS and VNEG
    • Input undervoltage lockout
    • Thermal shutdown protection
  • 4-mm × 4-mm VQFN-24 package (RGE)

The TPS6513x device is a dual-output DC-DC converter supply that generates a positive output up to 15 V and a negative output down to –15 V. The converter maintains low output voltage ripple. Typically, the maximum output currents are in the 200-mA to 500-mA range, depending on input voltage to output voltage ratio and the current limit option. The combined (VPOS and VNEG) efficiency reaches 85% to keep systems cool or achieve a longer battery-on-time. The input voltage range of 2.7 V to 5.5 V allows the devices to be powered from batteries or from fixed 3.3-V or 5-V rails.

The converter operates with a fixed frequency PWM control topology and, when operating in power-save mode, uses a pulse-skipping mode at light-load currents. It operates with only 500-µA device quiescent current.

Independent enable pins allow flexible power-up and power-down sequencing for both outputs. The positive and negative outputs operate independently, allowing for non-symmetrical output voltages and currents.

The converter has an internal current limit, overvoltage protection, and a thermal shutdown for highest reliability under fault conditions. The converter is available in a 4-mm × 4-mm VQFN-24 package. The solution size is small with a minimum switching frequency of 1.25 MHz for smaller inductors and few other external components required.

The TPS6513x device is a dual-output DC-DC converter supply that generates a positive output up to 15 V and a negative output down to –15 V. The converter maintains low output voltage ripple. Typically, the maximum output currents are in the 200-mA to 500-mA range, depending on input voltage to output voltage ratio and the current limit option. The combined (VPOS and VNEG) efficiency reaches 85% to keep systems cool or achieve a longer battery-on-time. The input voltage range of 2.7 V to 5.5 V allows the devices to be powered from batteries or from fixed 3.3-V or 5-V rails.

The converter operates with a fixed frequency PWM control topology and, when operating in power-save mode, uses a pulse-skipping mode at light-load currents. It operates with only 500-µA device quiescent current.

Independent enable pins allow flexible power-up and power-down sequencing for both outputs. The positive and negative outputs operate independently, allowing for non-symmetrical output voltages and currents.

The converter has an internal current limit, overvoltage protection, and a thermal shutdown for highest reliability under fault conditions. The converter is available in a 4-mm × 4-mm VQFN-24 package. The solution size is small with a minimum switching frequency of 1.25 MHz for smaller inductors and few other external components required.

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* Data sheet TPS6513x Dual, Positive and Negative Output DC-DC Converter datasheet (Rev. E) PDF | HTML 26 Apr 2022

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