TPS61024

ACTIVE

3.0-V Output, 1.5-A Switch, 96% Efficient Boost Converter w/ LDO Down-Mode, QFN-10

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost Type Converter Vin (min) (V) 0.9 Vin (max) (V) 6.5 Switching frequency (min) (kHz) 480 Switching frequency (max) (kHz) 720 Features Synchronous Rectification Vout (min) (V) 3 Vout (max) (V) 3 Iq (typ) (µA) 25 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 1.5
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost Type Converter Vin (min) (V) 0.9 Vin (max) (V) 6.5 Switching frequency (min) (kHz) 480 Switching frequency (max) (kHz) 720 Features Synchronous Rectification Vout (min) (V) 3 Vout (max) (V) 3 Iq (typ) (µA) 25 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 1.5
VSON (DRC) 10 9 mm² 3 x 3
  • 96% Efficient Synchronous Boost Converter
  • Output Voltage Remains Regulated When Input
    Voltage Exceeds Nominal Output Voltage
  • Device Quiescent Current: 25 µA (Typ)
  • Input Voltage Range: 0.9 V to 6.5 V
  • Fixed and Adjustable Output Voltage Options
    Up to 5.5 V
  • Power Save Mode for Improved Efficiency at
    Low Output Power
  • Low Battery Comparator
  • Low EMI-Converter (Integrated Anti-ringing
    Switch)
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 3-mm × 3-mm VSON-10 Package
  • 96% Efficient Synchronous Boost Converter
  • Output Voltage Remains Regulated When Input
    Voltage Exceeds Nominal Output Voltage
  • Device Quiescent Current: 25 µA (Typ)
  • Input Voltage Range: 0.9 V to 6.5 V
  • Fixed and Adjustable Output Voltage Options
    Up to 5.5 V
  • Power Save Mode for Improved Efficiency at
    Low Output Power
  • Low Battery Comparator
  • Low EMI-Converter (Integrated Anti-ringing
    Switch)
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 3-mm × 3-mm VSON-10 Package

The TPS6102x family of devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 200 mA while using a single-cell alkaline battery, and discharge it down to 0.9 V. The device can also be used for generating 5 V at 500 mA from a 3.3-V rail or a Li-Ion battery. The boost converter is based on a fixed-frequency, pulse width modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the converter enters the power save mode to maintain a high efficiency over a wide-load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum peak current in the boost switch is limited to a value of 800 mA, 1500 mA, or 1800 mA depending on the version of the device.

The TPS6102x devices keep the output voltage regulated even when the input voltage exceeds the nominal output voltage. The output voltage can be programmed by an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing and, in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in a 10-pin VSON PowerPAD package measuring 3 mm x 3 mm (DRC).

The TPS6102x family of devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 200 mA while using a single-cell alkaline battery, and discharge it down to 0.9 V. The device can also be used for generating 5 V at 500 mA from a 3.3-V rail or a Li-Ion battery. The boost converter is based on a fixed-frequency, pulse width modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the converter enters the power save mode to maintain a high efficiency over a wide-load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum peak current in the boost switch is limited to a value of 800 mA, 1500 mA, or 1800 mA depending on the version of the device.

The TPS6102x devices keep the output voltage regulated even when the input voltage exceeds the nominal output voltage. The output voltage can be programmed by an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing and, in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in a 10-pin VSON PowerPAD package measuring 3 mm x 3 mm (DRC).

Download View video with transcript Video

Similar products you might be interested in

open-in-new Compare alternates
Same functionality with different pin-out to the compared device
TPS61030 ACTIVE 1.8Vin, 4-A Switch, 96% Efficient Boost Converter w/20µA Iq in TSSOP-16 Current limited is 3 A which is bigger than TPS61024 at 1.5 A

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 17
Type Title Date
* Data sheet TPS6102x 96% Efficient Synchronous Boost Converter datasheet (Rev. G) PDF | HTML 24 Dec 2014
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dec 2023
Application note 스트컨버터의 전력계 기본 계산 (Rev. D) PDF | HTML 21 Nov 2022
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 28 Oct 2022
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) 29 Nov 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 Jun 2017
Application note Five Steps to a Good PCB Layout of the Boost Converter PDF | HTML 03 May 2016
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 2012
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19 Sep 2011
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011
Application note Minimizing Ringing at the Switch Node of a Boost Converter 15 Sep 2006
Application note Factors That Determine Light Load PSM Switch Freq for TPS6102x Boost Converters 21 Apr 2006
Application note TPS6102x Boost Converter Down Conversion Mode 16 Dec 2004
EVM User's guide TPS61020EVM: High-Efficiency Synchronous Boost Converters 17 Nov 2003
White paper A Step-Down Conversion Concept for a PWM-Mode Boost Converter 26 Aug 2003

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS61020EVM-025 — TPS61020 Evaluation Module

The TPS61020EVM-025 is an evaluation tool for the TPS61020 inductive step-up converter in QFN-10 package which can supply voltages up to 5.5V from a 0.9-V to 6.5-V input featuring an LDO down-mode regulating the output voltage even if the input voltage exceeds the output voltage level. The (...)

User guide: PDF
Not available on TI.com
Gerber file

TPS6102xVM Gerber Files

SLVC139.ZIP (92 KB)
Package Pins CAD symbols, footprints & 3D models
VSON (DRC) 10 Ultra Librarian

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos