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AC/DC & DC/DC converters (integrated FET)

TPS62420

ACTIVE

Dual, Adjustable, 600mA and 1000mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN

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Data sheet

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TPS62441 ACTIVE 2.75-V to 6-V, dual 1-A step-down converter in QFN package Smaller size, improved feature set and performance.
TPS62442 ACTIVE 2.75-V to 6-V, dual 2-A or 3-A and 1-A step-down converter in QFN package Smaller size, improved feature set and performance.

TPS62420

ACTIVE
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Product details

Rating Catalog Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 6 Vout (min) (V) 0.6 Features Adaptive/Dynamic Voltage Scaling, Enable, Forced PWM, Light load efficiency, Synchronous Rectification Control mode Voltage mode Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2500 Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 32 Duty cycle (max) (%) 100 Type Converter
Rating Catalog Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 6 Vout (min) (V) 0.6 Features Adaptive/Dynamic Voltage Scaling, Enable, Forced PWM, Light load efficiency, Synchronous Rectification Control mode Voltage mode Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2500 Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 32 Duty cycle (max) (%) 100 Type Converter
VSON (DRC) 10 9 mm² 3 x 3
  • High Efficiency up to 95%
  • VIN Range from 2.5 V to 6 V
  • 2.25-MHz Fixed Frequency Operation
  • Output Current 600 mA and 1000 mA
  • Adjustable Output Voltage from 0.6 V to VIN
  • Pin Selectable Output Voltage Supports Simple
    Dynamic VoltageScaling
  • Optional EasyScale One-Pin Serial Interface for
    Dynamic Output Voltage Adjustment
  • Power-Save Mode at Light Load Currents
  • 180° Out of Phase Operation
  • Output Voltage Accuracy in PWM Mode ±1%
  • Typical 32-µA Quiescent Current for both
    Converters
  • 100% Duty Cycle for Lowest Dropout
  • Available in a 10-Pin VSON (3 mm × 3 mm)
  • High Efficiency up to 95%
  • VIN Range from 2.5 V to 6 V
  • 2.25-MHz Fixed Frequency Operation
  • Output Current 600 mA and 1000 mA
  • Adjustable Output Voltage from 0.6 V to VIN
  • Pin Selectable Output Voltage Supports Simple
    Dynamic VoltageScaling
  • Optional EasyScale One-Pin Serial Interface for
    Dynamic Output Voltage Adjustment
  • Power-Save Mode at Light Load Currents
  • 180° Out of Phase Operation
  • Output Voltage Accuracy in PWM Mode ±1%
  • Typical 32-µA Quiescent Current for both
    Converters
  • 100% Duty Cycle for Lowest Dropout
  • Available in a 10-Pin VSON (3 mm × 3 mm)

The TPS6242x device is a synchronous dual step-down DC–DC converter. It provides two independent output voltage rails powered by 1-cell Li-Ion or 3-cell NiMH/NiCD batteries. The device is also suitable to operate from a standard 3.3-V or 5-V voltage rail.

With an input voltage range of 2.5 V to 6 V, the TPS6242x is ideal for battery-powered portable applications like smart phones, PDAs, and other portable equipment.

With the EasyScale™ serial interface the output voltages can be modified during operation. It therefore supports dynamic voltage scaling for low power DSP and processors.

The TPS6242x operates at 2.25-MHz fixed switching frequency and enter the power-save mode operation at light load currents to maintain high efficiency over the entire load current range. For low-noise applications the devices can be forced into fixed-frequency PWM mode by pulling the MODE/DATA pin High. In the shutdown mode, the current consumption is reduced to 1.2 µA. The device allows the use of small inductors and capacitors to achieve a small solution size.

The TPS6242x operates over a free-air temperature range of –40°C to 85°C. It is available in a 10-pin leadless package (3 mm × 3 mm VSON)

The TPS6242x device is a synchronous dual step-down DC–DC converter. It provides two independent output voltage rails powered by 1-cell Li-Ion or 3-cell NiMH/NiCD batteries. The device is also suitable to operate from a standard 3.3-V or 5-V voltage rail.

With an input voltage range of 2.5 V to 6 V, the TPS6242x is ideal for battery-powered portable applications like smart phones, PDAs, and other portable equipment.

With the EasyScale™ serial interface the output voltages can be modified during operation. It therefore supports dynamic voltage scaling for low power DSP and processors.

The TPS6242x operates at 2.25-MHz fixed switching frequency and enter the power-save mode operation at light load currents to maintain high efficiency over the entire load current range. For low-noise applications the devices can be forced into fixed-frequency PWM mode by pulling the MODE/DATA pin High. In the shutdown mode, the current consumption is reduced to 1.2 µA. The device allows the use of small inductors and capacitors to achieve a small solution size.

The TPS6242x operates over a free-air temperature range of –40°C to 85°C. It is available in a 10-pin leadless package (3 mm × 3 mm VSON)
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Technical documentation

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Type Title Date
* Data sheet TPS6242x 2.25-MHz 600-mA and 1000-mA Dual Step-Down Converter in Small 3-mm × 3-mm VSON Package datasheet (Rev. D) PDF | HTML 31 Jul 2015
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dec 2023
Application note Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B) PDF | HTML 23 May 2022
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Application note Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) 29 Nov 2017
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24 Oct 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 Jun 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24 Oct 2016
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 Aug 2015
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29 Jan 2015
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13 Jan 2012
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011

Design & development

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

Daughter card

TMDSCNCD28379D — F28379D development kit for C2000™ Delfino MCU controlCARD™

TMDSCNCD28379D is an HSEC180 controlCARD based evaluation and development tool for the F2837xD,  F2837xS, and F2807x series in the TI MCU. controlCARDs are ideal to use for initial evaluation and system prototyping. controlCARDs are complete board-level modules that utilize one of two standard (...)

User guide: PDF | HTML
Not available on TI.com
Development kit

TMDSDOCK28379D — F28379D Delfino Experimenter Kit

TMDSDOCK28379D is a HSEC180 controlCARD based evaluation and development tool for the C2000™ Delfino™ F2837x and Piccolo F2807x series of microcontroller products. The Docking Station provides power to the controlCARD and has a bread-board area for prototyping. Access to the key device (...)

User guide: PDF | HTML
Not available on TI.com
Support software

SLVC538 — TPS624xxEVM-167 Setup Software

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC converters (integrated FET)
  • TPS62400 — Dual, Adjustable, 400mA and 600mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN
  • TPS62401 — Dual, 400mA and 600mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN
  • TPS62420 — Dual, Adjustable, 600mA and 1000mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN
Download
Simulation model

TPS62420 PSpice Average Model

SLIM129.ZIP (84 KB) - PSpice Model
Download
Simulation model

TPS62420 PSpice Transient Model

SLIM130.ZIP (310 KB) - PSpice Model
Download
Calculation tool

SLVC780 — Design Tool for Output Voltage Adjustment Using a DAC

Calculator tool to adjust the power supply's output voltage with an analog input voltage
Supported products & hardware

Supported products & hardware

Products
Precision DACs (≤10 MSPS)
  • DAC43401 — 8-bit 1-channel voltage-output smart DAC with Hi-Z, EEPROM, waveform generator and comparator
  • DAC43608 — 8-bit, 8-channel, I2C, voltage-output DAC in tiny QFN package
  • DAC53401 — 10-bit 1-channel voltage-output smart DAC with Hi-Z, EEPROM, waveform generator and comparator
  • DAC53608 — 10-Bit, 8-channel, I2C, voltage output DAC in tiny QFN package
Power modules (integrated inductor)
  • TPS82084 — 2-A, High-efficiency step-down converter module with integrated inductor
  • TPS82085 — 3A, High-Efficiency Step-Down Converter Module with Integrated Inductor
  • TPS82130 — 17-V input 3-A step-down converter module with integrated inductor
  • TPS82140 — 17V Input 2A Synchronous Step-Down Converter MicroSiP™ Module With Integrated Inductor
  • TPS82150 — 17V Input 1A Synchronous Step-Down Converter MicroSiP™ Module With Integrated Inductor
  • TPSM82810 — 2.75-V to 6-V, 4-A step-down module with adjustable-frequency & tracking in 3 x 4-mm μSIP package
  • TPSM82813 — 6V 3A step-down module with optional frequency synchronization, adjustable soft-start and tracking
  • TPSM82821 — 5.5-V input, 1-A step-down module with integrated inductor in 2 x 2.5 x 1.1-mm μSIP package
  • TPSM82822 — 5.5-V input, 2-A step-down module with integrated inductor in 2 x 2.5 x 1.1-mm μSIP package
AC/DC & DC/DC converters (integrated FET)
  • TLV62065 — 3MHz 2A Step Down Converter in 2x2 SON Package
  • TLV62080 — 1.2A High Efficient Step Down Converter in 2x2mm SON Package
  • TLV62084 — 2A High Efficient Step Down Converter in 2x2mm SON Package
  • TLV62084A — 2A High Efficient Step Down Converter in 2x2mm SON Package
  • TLV62085 — 3-A High Efficiency Step-Down Converter in 2x2 QFN
  • TLV62090 — 3A High Efficiency Step Down Converter in 3x3mm QFN Package
  • TLV62095 — 4A Synchronous Step Down Converter with DCS Control
  • TLV62130 — 3-17V 3A Step-Down Converter in 3x3 QFN Package
  • TLV62130A — 3-17V 3A Step-Down Converter with DCS-Control in 3x3 QFN Package
  • TLV62150 — 4-17V 1A Step-Down Converter with DCS-Control™
  • TLV62150A — 4-17V, 1A STEP-DOWN CONVERTER with DCS-Control in 3x3 QFN Package
  • TLV62565 — 1.5A Buck Converter in SOT23 Package
  • TLV62566 — 1.5A Buck Converter with Power Good, in SOT23 Package
  • TLV62568 — 2.5V-5.5V input, 1A high efficiency step-down buck converter in SOT23 and SOT563 package
  • TLV62568A — 2.5V-5.5V input, 1A high efficiency step-down buck converter with forced PWM in small SOT563 package
  • TLV62569 — 2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package
  • TLV62569A — 2A High Efficiency Step-down Buck Converter with forced PWM in SOT Package
  • TLV62585 — 2.5V-5.5V input, 3-A high efficiency step-down converter in 2x2 QFN or SOT563 package
  • TPS62000 — Adjustable, 600-mA, 95% Efficient Step-Down Converter
  • TPS62000-HT — High Temperature High-Efficiency Step-Down Low Power DC-DC Converter
  • TPS62020 — Adjustable, 600-mA, 95% Efficient Step-Down Converter, 18uA, MSOP-10
  • TPS62040 — Adjustable, 1.2-A, 95% efficient step-down converter, 18 uA, MSOP-10 and QFN
  • TPS62050 — Adjustable, 800-mA, 10V Vin, 95% Efficient Step-Down Converter in MSOP-10
  • TPS62056 — 3.3-V Output, 800-mA, 10V Vin, 95% Efficient Step-Down Converter in MSOP-10
  • TPS62060 — 3MHz, 1.6A Step-Down Converter in 2x2 SON Package
  • TPS62065 — 3MHz, 2A Step-Down Converter in 2x2 SON Package
  • TPS62065-Q1 — 3MHz, 2A Automotive Step-Down Converter in 2x2 SON Package
  • TPS62067 — 3MHz, 2A Step-Down Converter in 2x2 SON Package
  • TPS62067-Q1 — Automotive 3-MHz 2-A step-down converter in 2×2 SON package
  • TPS62080 — 1.2A High Efficient Step Down Converter in 2x2mm SON Package, with Adjustable Vout
  • TPS62080A — 1.2A High Efficient Step Down Converter in 2x2mm SON Package
  • TPS62085 — 3-A Step-Down Converter with DCS-Control and Hiccup Short Circuit Protection in 2x2 HotRod Package
  • TPS62088 — 2.4-V to 5.5-V input, tiny 6-pin 3-A step-down converter in 1.2-mm x 0.8-mm WCSP
  • TPS62090 — 3A, 6V input, up to 97% efficiency, Synchronous Step Down Converter with DCS™ Control
  • TPS62090-Q1 — Automotive: 3A, 2.5 to 6V input, up to 97% efficiency, 3x3 QFN, Step-Down Converter
  • TPS62095 — 4A Synchronous Step Down Converter with DCS Control
  • TPS62097 — 2-A Step Down Converter with Selectable Switching Frequency in HotRod package
  • TPS62097-Q1 — 2A Automotive Step-Down Converter in 3x3 QFN With Wettable Flanks
  • TPS62100 — Multimode 300kHz Synchronous Buck Converter with Adjustable Output
  • TPS62110 — Adjustable, 1.5-A, 17-V Vin Step-Down Converter in QFN-16
  • TPS62110-EP — Enhanced Product 17 V, 1.5 A Synchronous Step-Down Converter
  • TPS62110-HT — High Temperature 17-V, 1.5-A, Synchronous Step-Down Converter
  • TPS62110-Q1 — Automotive 3V to 17V, 1.5A Buck Converter in QFN-16 package
  • TPS62113 — 1.5-A, 17-Vin Step-Down Converter with LBI function in QFN-16
  • TPS62120 — 15V, 75mA, 96% efficiency Step-Down Converter with DCS-Control
  • TPS62122 — 15V, 75mA, 96% efficiency Step-Down Converter
  • TPS62125 — 3V-17V, 300mA Buck Converter With Adjustable Enable Threshold And Hysteresis
  • TPS62130 — 3-17V 3A Step-Down Converter with DCS-Control in 3x3 QFN Package
  • TPS62130A — 3-V to 17-V, 3-A step-down converter with DCS-control in 3x3 QFN package
  • TPS62130A-Q1 — TPS62130A-Q1 3 to 17-V 3-A Automotive Step-Down Converter in 3 × 3 QFN Package
  • TPS62135 — 3-17V 4.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN
  • TPS62136 — 3-17V 4.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN
  • TPS62140 — 3–17V 2A Step-Down Converter with DCS-Control in 3x3 QFN package
  • TPS62140A — 3–17V 2A Step-Down Converter with DCS-Control in 3x3 QFN package
  • TPS62147 — 3-17V 2.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN
  • TPS62148 — 3-17V 2.0A Step-Down Converter with 1% accuracy and PFM/Forced-PWM in 2x3QFN
  • TPS62150 — 3–17V 1A Step-Down Converter with DCS-Control in 3x3 QFN package
  • TPS62150A — 3-17V 1A 3MHz Step-Down Converter with DCS-Control in 3x3 QFN Package
  • TPS62150A-Q1 — TPS62150A-Q1 3 to 17-V 1-A AUTOMOTIVE Step-Down Converter in 3 × 3 QFN Package
  • TPS62160 — 3V-17V 1A Step-Down Converters with DCS-Control™
  • TPS62160-Q1 — 3V-17V 1A Automotive Step-Down Converters in 2x2SON
  • TPS62170 — 3–17V 0.5A Step-Down Converter with DCS-Control in 2x2 QFN package
  • TPS62170-Q1 — 3-17V 0.5A Automotive Step-Down Converter in 2x2 QFN package
  • TPS62175 — 28V, 0.5A Step-Down Converter with SNOOZE Mode
  • TPS62180 — 4-V to 15-V, 6-A synchronous buck converter with power good, 1% accuracy, and adjustable soft start
  • TPS62184 — 4-V to 17-V, 6-A synchronous buck converter with power good, 1% accuracy, and adjustable soft start
  • TPS62200 — Adjustable, 300-mA, 95% Efficient Step-Down Converter in SOT-23
  • TPS62220 — Adjustable, 400-mA, 95% Efficient Step-Down Converter, 15uA, ThinSOT-23
  • TPS62240 — 2.25MHz 300mA Step-Down Converter in 2x2mm SON/TSOT23 Package
  • TPS62250 — 2.25MHz, 1A Peak Current Limited Step-Down Converter
  • TPS62260 — 2.25MHz 600mA Step-Down Converter in 2x2mm SON/TSOT23 Package
  • TPS62260-Q1 — Automotive 2V to 6V, 2.25MHz Fixed Frequency 600mA Buck Converter in 2x2mm SON/TSOT23 Package
  • TPS62290 — 2.25MHz 1A Step-Down Converter in 2x2mm SON Package
  • TPS62290-Q1 — Automotive 2.3V to 6V, 2.25MHz Fixed Frequency 1A Buck Converter in 2x2mm SON/TSOT23 Package
  • TPS62400 — Dual, Adjustable, 400mA and 600mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN
  • TPS62400-Q1 — Automotive Catalog Dual, Adjustable, 400mA & 600mA, 2.25MHz Step-Down Converter w/ 1-Wire Interface
  • TPS62410 — 2.25MHZ 2x800mA Dual Step-Down Converter with 1-Wire Interface in QFN
  • TPS62410-Q1 — Automotive 2.5V to 6V, 2.25MHz Fixed Frequency Dual (800mA/800mA) Buck Converter
  • TPS62420 — Dual, Adjustable, 600mA and 1000mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN
  • TPS62420-Q1 — Automotive 2.5V to 6V, 2.25MHz Fixed Frequency Dual (1A/600mA) Buck Converter with 1-Wire Interface
  • TPS62480 — 6A, 2.4V-5.5V input, Synchronous step-down converter with PG Output, Adjust. Soft-start and Optional
  • TPS62510 — Adjustable, 96% Efficiency, 1.5A Buck Converter for low input voltages
  • TPS62560 — 2.25MHz 600mA Step-Down Converter in 2x2mm SON Package
  • TPS62561 — 2.25MHz 600mA Step-Down Converter in TSOT23 Package
  • TPS62590 — 2.25MHz, 1A Step-Down Converter in 2 x 2 SON Package
  • TPS62590-Q1 — Automotive 2.5V to 6V, 2.25MHz Fixed Frequency 1A Buck Converter in 2x2mm SON Package
  • TPS62750 — 2.25MHz, Step-Down Converter w/ Programmable Input Current Limits for USB powered Applications
  • TPS62751 — 2.25MHz, Step-Down Converter w/ Programmble Input Current Limits for USB powered Applications
  • TPS62770 — Tiny Single-chip Dual Solution with 360nA Iq Buck and up to 15V Boost in WCSP
  • TPS62810-Q1 — Automotive 2.75-V to 6-V, 4-A step-down converter in a 2mm x 3mm wettable-flanks QFN package
  • TPS62810M — 2.75-V to 6-V, 4-A step-down converter in a 2-mm x 3-mm QFN package with -55C extended temperature
  • TPS62821 — 2.4-V to 5.5-V input, 1-A step-down converter with 1% accuracy in 1.5-mm x 2-mm VSON-HR package
  • TPS62822 — 2.4-V to 5.5-V input, 2-A step-down converter with 1% accuracy in 1.5-mm x 2-mm VSON-HR package
  • TPS62823 — 2.4-V to 5.5-V input, 3-A step-down converter with 1% accuracy in 1.5-mm x 2-mm VSON-HR package
  • TPS62825 — 2.4-V to 5.5-V input, 2-A step-down converter with 1% accuracy in 1.5-mm x 1.5-mm QFN
  • TPS62826 — 2.4-V-5.5-V input, 3-A step-down converter with 1% accuracy in 1.5-mm x 1.5-mm VSON-HR package
  • TPS62827 — 2.5-V to 5.5-V input, 4-A step-down converter with 1% accuracy in 1.5-mm x 1.5-mm QFN
Download
Gerber file

TPS624xxVM Gerber Files

SLVC132.ZIP (101 KB)
Download
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