BQ24081 Status: ACTIVE

1-cell Li-Ion Charger w/ 1-A FET, Timer Enable and Temperature Sensing

Alert me about changes<br/>to this product

Alert me about changes
to this product

Datasheet

Single-Chip Li-Ion and Li-Pol Charger IC (Rev. D) (bq24081.pdf, 1632 KB)
26 Nov 2007 Download

	BQ24080	BQ24081	BQ24083
# Series Cells	1	1	1
Charge Current(Max)(A)	1	1	1
Charge Status Outputs	2	2	2
Control Topology	Linear	Linear	Linear
Primary Charge Termination Method	Minimum Current	Minimum Current	Minimum Current
Pin/Package	10SON	10SON	10SON
Vin(Max)(V)	7	7	7
Battery Charge Voltage(V)	4.2	4.2	4.06,4.2
Optional Functions	/PG,/CE	/TE,TS
	Samples	Samples	Samples
	Inventory	Inventory	Inventory

Customers Who Evaluated This Product Also Evaluated

BQ24080: 1-cell Li-Ion Charger w/ 1-A FET, AC Present and Charge Enable
LM317: 3/4 Pin 1.5A Adjustable Positive Voltage Regulator
UCC28051: PFC Controller for low to medium power applications requiring compliance with IEC 1000-3-2
REF3020: 2.048V 50ppm/Degrees C, 50uA in SOT23-3 Series (Bandgap) Voltage Reference

Product Information

Features

Integrated Power FET and Current Sensor for
Up to 1-A Charge Applications From AC Adapter
Precharge Conditioning With Safety Timer
Charge and Power-Good Status Output
Automatic Sleep Mode for Low Power Consumption
Integrated Charge-Current Monitor
Fixed 7-Hour Fast Charge Safety Timer
Ideal for Low-Dropout Charger Designs for
Single-Cell Li-Ion or Li-Pol Packs in
Space-Limited Portable Applications
Small 3-mm × 3-mm SON Package
APPLICATIONS
- PDAs, MP3 Players
- Digital Cameras
- Internet Appliances
- Smartphones

PowerPAD is a trademark of Texas Instruments.

Description

The bq24080 and bq24081 are highly integrated and flexible Li-Ion linear charge devices targeted at space-limited charger applications. They offer an integrated power FET and current sensor, high-accuracy current and voltage regulation, charge status, and charge termination, in a single monolithic device. An external resistor sets the magnitude of the charge current.

The device charges the battery in three phases: conditioning, constant current, and constant voltage. Charge is terminated based on minimum current. An internal charge timer provides a backup safety for charge termination. The device automatically restarts the charge if the battery voltage falls below an internal threshold. The device automatically enters sleep mode when the ac adapter is removed.

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools	Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Samples
BQ24081DRCR	ACTIVE	-40 to 85	0.95 \| 1ku	SON (DRC) \| 10	View	3000 \| LARGE T&R
BQ24081DRCRG4	ACTIVE	-40 to 85	0.95 \| 1ku	SON (DRC) \| 10	View	3000 \| LARGE T&R
BQ24081DRCT	ACTIVE	-40 to 85	0.95 \| 1ku	SON (DRC) \| 10	View	250 \| SMALL T&R	Purchase Samples
BQ24081DRCTG4	ACTIVE	-40 to 85	0.95 \| 1ku	SON (DRC) \| 10	View	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
BQ24081DRCR	As of 10:15 AM GMT, 19 Nov 2008			As of 10:15 AM GMT, 19 Nov 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 17 Dec	4 Weeks	Americas	DigiKey	>1k
				Americas	Mouser Electronics	>1k
				Asia	WPI	>1k
BQ24081DRCRG4	As of 10:15 AM GMT, 19 Nov 2008			As of 10:15 AM GMT, 19 Nov 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	>10k \| 17 Dec	4 Weeks	None Reported View Distributors
BQ24081DRCT	As of 10:15 AM GMT, 19 Nov 2008			As of 10:15 AM GMT, 19 Nov 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	5500 \| 26 Nov	6 Weeks	Americas	Mouser Electronics	210
		>10k \| 26 Dec		Americas	Rochester Electronics	250
				Europe	EBV Elektronik	250
BQ24081DRCTG4	As of 10:15 AM GMT, 19 Nov 2008			As of 10:15 AM GMT, 19 Nov 2008
	In Stock	In Progress QTY \| Date	Lead Time	Region	Company	In Stock	Purchase
	0*	5500 \| 26 Nov	6 Weeks	None Reported View Distributors
	0*	>10k \| 26 Dec	6 Weeks
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
BQ24081DRCR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
BQ24081DRCRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
BQ24081DRCT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
BQ24081DRCTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	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

Single-Chip Li-Ion and Li-Pol Charger IC (Rev. D) (bq24081.pdf, 1632 KB)
26 Nov 2007 Download

Application Notes

View Application Notes for Battery Charge Management

User Guides

bq24081 EVM 1-A Single-Chip Li-Ion and Li-Pol Charge Mgmt IC (sluu261.pdf, 174 KB)
06 Sep 2006 Download

View User Guides for Battery Charge Management

Tools & Software

Name	Part #	Company	Tool / Software Type
1-A Single-Chip Li-Ion & Li-Pol Charger	BQ24081EVM	Texas Instruments	Development Boards/EVMs

Alternative Products - Are similar to BQ24081
Customers Who Evaluated This Product Also Evaluated...
Part #	Name	Comments
BQ24080	1-cell Li-Ion Charger w/ 1-A FET, AC Present and Charge Enable	TI customers also evaluated this product.

Complementary Products - Can be used with BQ24081
Customers Who Evaluated This Product Also Evaluated...
Part #	Name	Product Family	Comments
LM317	3/4 Pin 1.5A Adjustable Positive Voltage Regulator	LINEAR REGULATORS-STANDARD VOLTAGE REGULATORS	TI customers also evaluated this product.
UCC28051	PFC Controller for low to medium power applications requiring compliance with IEC 1000-3-2	AC/DC AND DC/DC POWER SUPPLIES-POWER FACTOR CORRECTION ICS	TI customers also evaluated this product.
REF3020	2.048V 50ppm/Degrees C, 50uA in SOT23-3 Series (Bandgap) Voltage Reference	REFERENCES-SERIES VOLTAGE REFERENCES	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.
TPS60403	60mA Charge Pump Voltage Inverter with Fixed 250kHz Operation	INDUCTORLESS DC/DC REGULATORS (CHARGE PUMPS)-INVERTING CHARGE PUMP REGULATORS	TI customers also evaluated this product.
TPS73633	Single Output LDO, 400-mA, Fixed (3.3 V), Cap-Free, Low-Noise, Reverse Current Protection	LINEAR REGULATORS-SINGLE CHANNEL LDO	TI customers also evaluated this product.
TPS63700	Adjustable, -15V Output Inverting DC/DC Converter in 3x3 QFN	DC/DC CONVERTERS (INTEGRATED SWITCH)-INVERTING REGULATORS	TI customers also evaluated this product.
TPS54610	Low Input Voltage 6A Synchronous Buck Converter with Adjustable Output Voltage	DC/DC CONVERTERS (INTEGRATED SWITCH)-STEP-DOWN REGULATORS	TI customers also evaluated this product.
TPS79328	Single Output LDO, 200mA, Fixed(2.8V), High PSRR, Low Noise	LINEAR REGULATORS-SINGLE CHANNEL LDO	TI customers also evaluated this product.
UC3845	Current-Mode PWM Controller	AC/DC AND DC/DC POWER SUPPLIES-PWM POWER SUPPLY CONTROLLERS	TI customers also evaluated this product.

BQ24081 Status: ACTIVE

1-cell Li-Ion Charger w/ 1-A FET, Timer Enable and Temperature Sensing

Most Popular Links

Datasheet

Customers Who Evaluated This Product Also Evaluated