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Triple-Output AMOLED Display Power Supply

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TPS65632RTET General Description

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.

Texas Instruments, Inc Inventory

Key Features

  • 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
    • –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
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory


Category Integrated Circuits (ICs)Power Management (PMIC)Special Purpose Regulators Mfr Texas Instruments
Series - Package Tape & Reel (TR)Cut Tape (CT)Digi-Reel®
Product Status Active Applications Converter, AMOLED Display
Voltage - Input 2.9V ~ 4.5V Number of Outputs 3
Voltage - Output 4.6V, -1.5V ~ -5.4V, 5.8V ~ 7.7V Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount Package / Case 16-WFQFN Exposed Pad
Supplier Device Package 16-WQFN (3x3) Base Product Number TPS65632
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
Operating temperature range (°C) -40 to 85 feature-driver-type
feature-process-technology feature-minimum-operating-supply-voltage-v
feature-maximum-operating-supply-voltage-v feature-maximum-output-current-ma
feature-packaging Tape and Reel feature-pin-count 16
feature-supplier-package WQFN EP feature-standard-package-name QFN
feature-cecc-qualified feature-esd-protection Yes
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-eccn-code EAR99
feature-svhc No feature-svhc-exceeds-threshold No

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