TPS62350 Status:ACTIVE

1A, 3MHz Buck Converter with I2C for Dynamic Voltage Scaling

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Datasheet

800-mA 3-MHz Synchronous Step-Down Converter With I2C(TM) Compatible Interface (Rev. E) (tps62350.pdf, 1579 KB)
15 Apr 2008 Download

	TPS62350	TPS62351	TPS62352	TPS62353	TPS62354	TPS62355	TPS62356
Iout(Max)(A)	0.8	1	1	0.8	0.8	0.8	1
Vin(Min)(V)	2.7	2.7	2.7	2.7	2.7	2.7	2.7
Vin(Max)(V)	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Vout(Min)(V)	0.75	0.9	0.75	0.75	0.75	0.75	1.5
Vout(Max)(V)	1.5375	1.6875	1.4375	1.5375	1.5375	1.5375	1.975
Iq(Typ)(mA)	0.028	0.028	0.028	0.028	0.028	0.028	0.028
Switching Frequency(Max)(kHz)	3000	3000	3000	3000	3000	3000	3000
Switch Current Limit(Typ)(A)	1.35	1.35	1.35	1.35	1.35	1.35	1.35
Topology	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Operating Temp Range(Celsius)	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Pin/Package	12DSBGA	10SON,12DSBGA	10SON,12DSBGA	12DSBGA	12DSBGA	10SON	12DSBGA
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Duty Cycle(Max)(%)	80	80	80	80	80	80	80
	Samples	Samples	Samples	Samples	Samples	Samples	Samples
	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

TPS5430: 5.5V to 36V Input, 3-A Step Down Converter
TPS5420: 5.5-V to 36-V, 2-A Step-Down SWIFT(tm) Converter
TPS61070: Adjustable, 600-mA Switch, 90% Efficient PFM/PWM Boost Converter in ThinSOT-23
TPS65023: 6-channel Power Mgmt IC with 3DC/DCs, 3 LDOs, I2C Interface and DVS, Optimized for DaVinci DSPs
TPS3809K33: 3-Pin Supply Voltage Supervisor

Product Information

Features

88% Efficiency at 3-MHz Operation
800-mA Output Current at V_I = 2.7 V
3-MHz Fixed Frequency Operation
Best in Class Load and Line Transient
Complete 1-mm Component Profile Solution
±2% PWM DC Voltage Accuracy
35-ns Minimum On-Time
Efficiency Optimized Power-Save Mode (Light PFM)
Transient Optimized Power-Save Mode (Fast PFM)
28-µA Typical Quiescent Current
I²C Compatible Interface up to 3.4 Mbps
Pin-Selectable Output Voltage
Synchronizable On the Fly to External Clock Signal
Available in a 10-Pin QFN (3 × 3 mm) and 12-Pin NanoFree™ (CSP) Packaging
APPLICATIONS
- SmartReflex™ Compliant Power Supply
- Split Supply DSPs and µP Solutions
  OMAP™, XSCALE™
- Cell Phones, Smart-Phones
- PDAs, Pocket PCs
- Digital Cameras
- Micro DC-DC Converter Modules

NanoFree, SmartReflex, OMAP, PowerPAD Is a trademark of Texas Instruments.
XSCALE is a trademark of Intel Corporation.
I2C is a trademark of Philips Corporation.

Description

The TPS6235x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS6235x supports up to 800-mA load current and allows the use of small, low cost inductors and capacitors.

The device is ideal for mobile phones and similar portable applications powered by a single-cell Li-Ion battery. With an output voltage range adjustable via I²C interface down to 0.6 V, the device supports low-voltage DSPs and processors core power supplies in smart-phones, PDAs, and handheld computers.

The TPS6235x operates at 3-MHz fixed switching frequency and enters the efficiency optimized power-save mode operation at light load currents to maintain high efficiency over the entire load current range. In the shutdown mode, the current consumption is reduced to less than 2 µA.

The serial interface is compatible with Fast/Standard and High-Speed mode I²C specification allowing transfers at up to 3.4 Mbps. This communication interface is used for dynamic voltage scaling with voltage steps down to 12.5 mV, for reprogramming the mode of operation (Light PFM, Fast PFM or Forced PWM) or disable/enabling the output voltage.

Pricing / Packaging / CAD Design Tools / Samples

			Price ($US)	Packaging		CAD Design Tools		Samples
Device	Status	Temp (^oC)	Price ($US) \| Quantity	Package \| Pins	Package QTY \| Package Carrier	Symbols	Footprints	Samples
TPS62350YZGR	ACTIVE	-40 to 85	1.95 \| 100u	DSBGA (YZG) \| 12	3000 \| LARGE T&R
TPS62350YZGT	ACTIVE	-40 to 85	2.15 \| 100u	DSBGA (YZG) \| 12	250 \| SMALL T&R	Purchase Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

	TI Inventory Status			Reported Distributor Inventory
TPS62350YZGR	As of 7:50 AM GMT, 20 Aug 2008			As of 7:50 AM GMT, 20 Aug 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 2 Oct	12 Weeks	Americas	DigiKey	>1k
	0*		12 Weeks	Asia	WPI	>1k
TPS62350YZGT	As of 7:50 AM GMT, 20 Aug 2008			As of 7:50 AM GMT, 20 Aug 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	1500*	>10k \| 13 Oct	6 Weeks	Americas	Mouser Electronics	250
	1500*		6 Weeks	Asia	WPI	74
View all Distributors

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
TPS62350YZGR	Green (RoHS & no Sb/Br)	SnAgCu	Level-1-260C-UNLIM	View	View
TPS62350YZGT	Green (RoHS & no Sb/Br)	SnAgCu	Level-1-260C-UNLIM	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Datasheets

800-mA 3-MHz Synchronous Step-Down Converter With I2C(TM) Compatible Interface (Rev. E) (tps62350.pdf, 1579 KB)
15 Apr 2008 Download

Application Notes

Optimizing Transient Response of Internally Compensated DC-DC Converters (slva289.htm, 8 KB)
28 Jan 2008 Abstract
Using The TPS6235x Without The I2C Interface (slva277.htm, 8 KB)
17 May 2007 Abstract
Performing Accurate PFM Mode Efficiency Measurements (slva236.htm, 8 KB)
18 Apr 2006 Abstract

View Application Notes for Step-Down Regulators

User Guides

TPS62350EVM-201 (slvu177.htm, 8 KB)
19 Jul 2006 Abstract

More Literature

TPS62350_NanoEVM_ Schematic (slyp159.pdf, 44 KB)
13 Feb 2007 Download
PPM_NanoEVM_Overview (slyp131.pdf, 312 KB)
29 Jan 2007 Download

View More Literature for Step-Down Regulators

Tools & Software

Name	Part #	Company	Tool / Software Type
TPS62350EVM Evaluation Module	TPS62350EVM-201	Texas Instruments	Development Boards/EVMs
TPS6235x EVM Software	TPS6235XEVM-SW	Texas Instruments	Application Software

Alternative Products - Are similar to TPS62350
Customers Who Evaluated This Product Also Evaluated...
Part #	Name	Comments
TPS5430	5.5V to 36V Input, 3-A Step Down Converter	TI customers also evaluated this product.
TPS5420	5.5-V to 36-V, 2-A Step-Down SWIFT(tm) Converter	TI customers also evaluated this product.

Complementary Products - Can be used with TPS62350
Customers Who Evaluated This Product Also Evaluated...
Part #	Name	Product Family	Comments
TPS61070	Adjustable, 600-mA Switch, 90% Efficient PFM/PWM Boost Converter in ThinSOT-23	DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-UP REGULATORS	TI customers also evaluated this product.
TPS65023	6-channel Power Mgmt IC with 3DC/DCs, 3 LDOs, I2C Interface and DVS, Optimized for DaVinci DSPs	POWER MANAGEMENT MULTI-CHANNEL IC (PMIC) SOLUTIONS-PMIC SOLUTIONS WITH AND WITHOUT BATTERY CHARGER	TI customers also evaluated this product.
TPS3809K33	3-Pin Supply Voltage Supervisor	POWER MANAGEMENT-SUPERVISORY CIRCUITS(VOLTAGE SUPERVISORS)	TI customers also evaluated this product.
TPS63000	96% Buck-Boost Converter with 1.8A Current Switches in 3x3 QFN	DC/DC CONVERTERS (INTEGRATED SWITCH)-BUCK-BOOST REGULATORS	TI customers also evaluated this product.
TPS73601	Single Output LDO, 400mA, Adj.(1.2 to 5.5V), Cap free, Low Noise, Reverse Current Protection	LINEAR REGULATORS-SINGLE CHANNEL LDO	TI customers also evaluated this product.
TPS78601	Single Output LDO, 1.5A, Adj.(1.2 to 5.5V), Low Noise, High PSRR	LINEAR REGULATORS-SINGLE CHANNEL LDO	TI customers also evaluated this product.
TPS79318	Single Output LDO, 200mA, Fixed(1.8V), High PSRR, Low Noise	LINEAR REGULATORS-SINGLE CHANNEL LDO	TI customers also evaluated this product.
TL431A	Adjustable Precision Shunt Regulator	REFERENCES-SHUNT VOLTAGE REFERENCES	TI customers also evaluated this product.

TPS62350 Status:ACTIVE

1A, 3MHz Buck Converter with I2C for Dynamic Voltage Scaling

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Datasheet

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