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TPS63802

ACTIVE

2-A, high-efficient, 11-µA quiescent current buck-boost converter in QFN/DFN package

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Data sheet

TPS63802

ACTIVE
Data sheet Order now

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck-Boost Type Converter Iout (max) (A) 2 Vin (min) (V) 1.3 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 3100 Features Enable, Light Load Efficiency, Load Disconnect, Power good, Pre-Bias Start-Up, Synchronous Rectification, UVLO Fixed Vout (min) (V) 1.8 Vout (max) (V) 5.2 Iq (typ) (A) 0.000011
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck-Boost Type Converter Iout (max) (A) 2 Vin (min) (V) 1.3 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 3100 Features Enable, Light Load Efficiency, Load Disconnect, Power good, Pre-Bias Start-Up, Synchronous Rectification, UVLO Fixed Vout (min) (V) 1.8 Vout (max) (V) 5.2 Iq (typ) (A) 0.000011
VSON-HR (DLA) 10 6 mm² 3 x 2
  • Input voltage range: 1.3 V to 5.5 V
    • Device input voltage > 1.8 V for start-up
  • Output voltage range: 1.8 V to 5.2 V (adjustable)
  • 2-A output current for VI ≥ 2.3 V, VO = 3.3 V
  • High efficiency over the entire load range
    • 11-µA operating quiescent current
    • Power save mode and mode selection for forced PWM-mode
  • Peak current buck-boost mode architecture
    • Defined transition points between buck, buck-boost, and boost operation modes
    • Forward and reverse current operation
    • Start-up into pre-biased outputs
  • Safety and robust operation features
    • Integrated soft start
    • Overtemperature- and overvoltage-protection
    • True shutdown function with load disconnect
    • Forward and backward current limit
  • Small solution size of 21.5 mm2
    • Tiny SON/DFN package (similar to QFN)
    • Small 0.47-µH inductor
    • Works with a 22-µF minimum output capacitor
  • Create a custom design using the TPS63802 with the WEBENCH Power Designer
  • Input voltage range: 1.3 V to 5.5 V
    • Device input voltage > 1.8 V for start-up
  • Output voltage range: 1.8 V to 5.2 V (adjustable)
  • 2-A output current for VI ≥ 2.3 V, VO = 3.3 V
  • High efficiency over the entire load range
    • 11-µA operating quiescent current
    • Power save mode and mode selection for forced PWM-mode
  • Peak current buck-boost mode architecture
    • Defined transition points between buck, buck-boost, and boost operation modes
    • Forward and reverse current operation
    • Start-up into pre-biased outputs
  • Safety and robust operation features
    • Integrated soft start
    • Overtemperature- and overvoltage-protection
    • True shutdown function with load disconnect
    • Forward and backward current limit
  • Small solution size of 21.5 mm2
    • Tiny SON/DFN package (similar to QFN)
    • Small 0.47-µH inductor
    • Works with a 22-µF minimum output capacitor
  • Create a custom design using the TPS63802 with the WEBENCH Power Designer

The TPS63802 is a high efficiency, high output current buck-boost converter. Depending on the input voltage, it automatically operates in boost, buck, or in a novel 4-cycle buck-boost mode when the input voltage is approximately equal to the output voltage. The transitions between modes happen at defined thresholds and avoid unwanted toggling within the modes to reduce output voltage ripple. The device output voltages are individually set by a resistive divider within a wide output voltage range. An 11-µA quiescent current enables the highest efficiency for little to no-load conditions.

The TPS63802 is a high efficiency, high output current buck-boost converter. Depending on the input voltage, it automatically operates in boost, buck, or in a novel 4-cycle buck-boost mode when the input voltage is approximately equal to the output voltage. The transitions between modes happen at defined thresholds and avoid unwanted toggling within the modes to reduce output voltage ripple. The device output voltages are individually set by a resistive divider within a wide output voltage range. An 11-µA quiescent current enables the highest efficiency for little to no-load conditions.
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Technical documentation

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Type Title Date
* Data sheet TPS63802 2-A, High-efficient, Low IQ Buck-boost Converter in DFN Package datasheet (Rev. D) PDF | HTML 04 Jan 2021
Application note 4스위치 벅 부스트 전력 단계의 기본 계산 (Rev. C) PDF | HTML 02 Oct 2023
Technical article Effective ways to implement backup power from supercapacitors PDF | HTML 02 Nov 2021
Design guide TEC Driver Reference Design for 3.3-V Inputs (Rev. A) 06 Aug 2021
Application note Different Methods to Drive LEDs Using TPS63XXX Buck-Boost Converters (Rev. D) 04 Aug 2021
Application note Supercapacitor Backup Power Supply w/ Current Limit for Smart Electricity Meter (Rev. A) 03 Aug 2021
Application note Selecting a DC/DC Converter for Maximum Battery Life in Pulsed-Load Applications (Rev. A) 26 Jul 2021
Application note A Topical Index of TI Low-Power Buck-Boost Converter Application Notes (Rev. A) PDF | HTML 09 Jun 2021
Application note Layer Design for Reducing Radiated EMI of DC to DC Buck-Boost Converters (Rev. A) PDF | HTML 09 Jun 2021
User guide TPS63802HDKEVM - Hardware Development Kit (Rev. A) 09 Jun 2021
Technical article Is there a universal tool for DC/DC voltage conversion? PDF | HTML 30 Sep 2019
User guide TPS63802EVM (Rev. B) 24 Sep 2019
Application note Improving Load Transient Response for Controlled Loads 12 Sep 2019
Application note Using Non-Inverting Buck-Boost Converter for Voltage Stabilization 01 Aug 2019
Technical article Deciphering low Iq: Using WEBENCH® to design near 100% duty-cycle for ultra-low po PDF | HTML 15 Jul 2019
Application brief Buck-boost Converter Battery Life Time Estimation for Wireless Network Cameras (Rev. A) 28 May 2019
Application brief Buck-Boost Converters Solving Power Challenges in Optical Modules 13 May 2019
Application brief Precise Delayed Start-up with Precise Threshold Enable-pin 15 Apr 2019
Application brief Prevent Battery Overdischarge with Precise Threshold Enable Pin 02 Apr 2019
Application note Selecting the right DC/DC converter for maximum battery life 08 Feb 2019
Technical article How to prevent battery over discharge by using a precise threshold voltage enable PDF | HTML 31 Jan 2019
Application brief Supercapacitor backup power supply with TPS63802 21 Jan 2019
Application note Basic Calculations of a 4 Switch Buck-Boost Power Stage (Rev. B) 09 Jul 2018

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