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Texas Instruments-BQ24350DSGT Battery Management ICs Battery Protection Li-Ion 1mA 5.5V 8-Pin WSON EP T/R
Integrated Circuits (ICs)

TPS62172DSGT

Active
Texas Instruments

CONV DC-DC 3V TO 17V SYNCHRONOUS STEP DOWN SINGLE-OUT 3.3V 0.5A 8-PIN WSON EP T/R

Texas Instruments-BQ24350DSGT Battery Management ICs Battery Protection Li-Ion 1mA 5.5V 8-Pin WSON EP T/R
Integrated Circuits (ICs)

TPS62172DSGT

Active
Texas Instruments

CONV DC-DC 3V TO 17V SYNCHRONOUS STEP DOWN SINGLE-OUT 3.3V 0.5A 8-PIN WSON EP T/R

Technical Specifications

Parameters and characteristics for this part

SpecificationTPS62172DSGT
Current - Output500 mA
Frequency - Switching2.25 MHz
FunctionStep-Down
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature [Max]85 C
Operating Temperature [Min]-40 ¯C
Output ConfigurationPositive
Package / Case8-WFDFN Exposed Pad
Supplier Device Package8-WSON (2x2)
Synchronous RectifierTrue
TopologyBuck
Voltage - Input (Max) [Max]17 V
Voltage - Input (Min) [Min]3 V
Voltage - Output (Min/Fixed)3.3 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
ArrowN/A 1$ 1.60
10$ 1.07
50$ 1.06
100$ 0.95
200$ 0.89
DigikeyCut Tape (CT) 1$ 1.26
10$ 1.13
25$ 1.06
100$ 0.91
Digi-Reel® 1$ 1.26
10$ 1.13
25$ 1.06
100$ 0.91
N/A 5508$ 1.67
Tape & Reel (TR) 250$ 0.85
500$ 0.75
Texas InstrumentsSMALL T&R 1$ 1.48
100$ 1.14
250$ 0.84
1000$ 0.60

Description

General part information

TPS62172 Series

The TPS6217x device family are easy to use synchronous step-down DC-DC converters optimized for applications with high power density. A high switching frequency of typically 2.25 MHz allows the use of small inductors and provides fast transient response as well as high output voltage accuracy by utilization of the DCS-Control™ topology.

With its wide operating input voltage range of 3 V to 17 V, the devices are ideally suited for systems powered from either a Li-Ion or other battery as well as from 12-V intermediate power rails. It supports up to 0.5-A continuous output current at output voltages between 0.9 V and 6 V (with 100% duty cycle mode).

Power sequencing is also possible by configuring the enable and open-drain power good pins.

Documents

Technical documentation and resources

Understanding frequency variation in the DCS-Control(TM) topology

Analog Design Journal

Powering the MSP430 from a High Voltage Input using the TPS62122 (Rev. C)

Application note

How to Measure the Control Loop of DCS-Control Devices (Rev. A)

Application note

Quick Reference Guide To TI Buck Switching DC/DC Application Notes (Rev. B)

Application note

High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions

Analog Design Journal

Performing Accurate PFM Mode Efficiency Measurements (Rev. A)

Application note

IQ: What it is, what it isn’t, and how to use it

Analog Design Journal

QFN and SON PCB Attachment (Rev. C)

Application note

Understanding 100% mode in low-power DC/DC converters

Analog Design Journal

Step-Down Converter With Input Overvoltage Protection

Application note

TPS6217x 3-V to 17-V, 0.5-A Step-Down Converters with DCS-Control™ datasheet (Rev. E)

Data sheet

Testing tips for applying external power to supply outputs without an input voltage

Analog Design Journal

Five steps to a great PCB layout for a step-down converter

Analog Design Journal

Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs

Application note

Basic Calculation of a Buck Converter's Power Stage (Rev. B)

Application note

Optimizing the TPS62130/40/50/60 Output Filter (Rev. A)

Application note

Understanding the Absolute Maximum Ratings of the SW Node (Rev. A)

Application note

Using the TPS6215x in an Inverting Buck-Boost Topology.. (Rev. D)

Application note

Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold

Analog Design Journal