Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsPMICsPMIC - battery management Charge management Li-Ion, Li-Po VQFN 20 (3.5x4.5) Surface-mount

USB BAT

OUT

bq2403x

PACK+

PACK−

System

VDC

GND

VBUS

GND

D+

D −

USB Port

AC Adapter

Q2Q3

UDG−04082

40 mΩ

(2)

bq24030, bq24031

bq24032A, bq24035, bq24038

www.ti.com

............................................................................................................................................... SLUS618H –AUGUST 2004–REVISED OCTOBER 2009

SINGLE-CHIP CHARGE AND SYSTEM POWER-PATH MANAGEMENT IC (bqTINY™)

Check for Samples: bq24030, bq24031 bq24032A, bq24035, bq24038

FEATURES

APPLICATIONS

• Smart Phones and PDA

• Small 3,5 mm × 4,5 mm QFN Package

• MP3 Players

• Designed for Single-Cell Li-Ion- or

• Digital Cameras Handheld Devices

Li-Polymer-Based Portable Applications

• Internet Appliances

• Integrated Dynamic Power-Path Management

(DPPM) Feature Allowing the AC Adapter or

DESCRIPTION

the USB Port to Simultaneously Power the

System and Charge the Battery

The bqTINY™ III-series of devices are highly

• Power Supplement Mode Allows Battery to integrated Li-ion linear chargers and system

power-path management devices targeted at

Supplement the USB or AC Input Current

space-limited portable applications. The bqTINY

• Autonomous Power Source Selection (AC

III-series offer integrated USB-port and DC supply

Adapter or USB)

(AC adapter), power-path management with

• Integrated USB Charge Control With

autonomous power-source selection, power FETs

Selectable 100-mA and 500-mA Maximum

and current sensors, high accuracy current and

Input Current Regulation Limits

voltage regulation, charge status, and charge

termination, in a single monolithic device.

• Dynamic Total Current Management

for USB

The bqTINY III-series powers the system while

independently charging the battery. This feature

• Supports Up to 2-A Total Current

reduces the charge and discharge cycles on the

• 3.3-V Integrated LDO Output

battery, allows for proper charge termination and

• Thermal Regulation for Charge Control

allows the system to run with an absent or defective

battery pack. This feature also allows for the system

• Charge Status Outputs for LED or System

to instantaneously turn on from an external power

Interface Indicates Charge and Fault

source in the case of a deeply discharged battery

Conditions

pack. The IC design is focused on supplying

• Reverse Current, Short-Circuit, and Thermal

continuous power to the system when available from

Protection

the AC, USB, or battery sources.

• Power Good (AC Adapter and USB Port

Present) Status Outputs

• Charge Voltage Options: 4.1V, 4.2V, or 4.36V

POWER FLOW DIAGRAM

(1) See Figure 2 and functional block diagram for more detailed feature information.

(2) P-FET back gate body diodes are disconnected to prevent body diode conduction.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2bqTINY is a trademark of Texas Instruments.

UNLESS OTHERWISE NOTED this document contains

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (37 pages)

PAGE 1
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ...............................................................................................................................................
PAGE 2
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
PAGE 3
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ABSOLUTE MAXIMUM RATINGS (1) over operating free-air temperature range (unless otherwise noted) bq24030, bq24031, bq24032A, bq24035, bq24038 Input voltage Input voltage AC (DC voltage wrt (with respect to) VSS) –0.3 V to 18 V USB (DC voltage wrt VSS) –0.
PAGE 4
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.
PAGE 5
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ...............................................................................................................................................
PAGE 6
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.
PAGE 7
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ELECTRICAL CHARACTERISTICS (continued) over junction temperature range (0°C ≤ TJ ≤ 125°C) and the recommended supply voltage range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 0.25 V 5 μA STAT1, STAT2.
PAGE 8
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.
PAGE 9
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ...............................................................................................................................................
PAGE 10
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com FUNCTIONAL BLOCK DIAGRAM FOR bq24030/31/32A/35 ONLY Short−Circuit Recovery 500 Ω BAT Short−Circuit Recovery USB Charge Enable 100 mA / 500 mA AC VO(OUT) OUT VO(LDO) Q1 1 kΩ 3.
PAGE 11
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 FUNCTIONAL DESCRIPTIONS CHARGE CONTROL The bqTINY III-series supports a precision Li-ion or Li-polymer charging system suitable for single-cell portable devices.
PAGE 12
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.
PAGE 13
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 bq24038 Differences The bq24038 replaces USBPG with pin VBSEL, to enable user selection of the charge voltage. In addition, pin ACPG was modified to PG. PG is active low when either AC power or USB power is detected.
PAGE 14
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com AC Adapter (2) AC OUT VDC USB Port System GND D+ D− VBUS Q1 PACK+ USB 40 mΩ BAT + PACK− GND Q3 bq2403x Q2 UDG−04082 Figure 4.
PAGE 15
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 V (DPPM−REG) + I (DPPM) R(DPPM) SF (1) where R(DPPM) is the external resistor connected between the DPPM and VSS pins. I(DPPM) is the internal current source. SF is the scale factor as specified in the specification table.
PAGE 16
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com (CH1) VAC = 5.4 V; channel 2 (CH2) VOUT; channel 3 (CH3) IOUT = 0 to 2.2 A to 0 A; channel 4 (CH4) VBAT = 3.5 V; I(PGM-CHG) = 1 A. In typical operation, bq24032A (VOUT = 4.4 Vreg), through an AC adaptor overload condition and recovery. The AC input is set for ~5.
PAGE 17
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 Break Before Make VAC VUSB VOUT VBAT System Capacitance Powering System DPPM Mode USB is Charging System Capacitance Hi PSEL Low Figure 6.
PAGE 18
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com Figure 8 illustrates when AC (low battery) is removed, power transfers to USB; PSEL = H; channel 1 (CH1) VAC = 5.4 V; channel 2 (CH2) V(USB) = 5 V; channel 3 (CH3) VOUT; output current, IOUT = 0.25 A; channel 4 (CH4) VBAT = 2.25 V; and I(PGM-CHG) = 1 A.
PAGE 19
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 Figure 10 illustrates when USB is removed, power transfers from USB to AC; PSEL = L; channel 1 (CH1) VAC = 5.4 V; channel 2 (CH2) V(USB) = 5 V; channel 3 (CH3) VOUT; output current, IOUT = 0.25 A; channel 4 (CH4) VBAT = 3.5 V; and I(PGM-CHG) = 1 A.
PAGE 20
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com Figure 12 illustrates when a battery is inserted for power up; channel 1 (CH1) VAC = 0 V; channel 2 (CH2) VUSB = 0 V; channel 3 (CH3) VOUT; output current, IOUT = 0.25 A for VOUT > 2 V; channel 4 (CH4) VBAT = 3.5 V; C(DPPM) = 0 pF.
PAGE 21
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 VUSB IUSB Figure 13. USB Boot-Up Power-Up Battery Temperature Monitoring The bqTINY™ III-series continuously monitors battery temperature by measuring the voltage between the TS and VSS pins.
PAGE 22
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com I O (PRECHG) + V(PRECHG) K(SET) RSET (4) The bqTINY III-series activates a safety timer, t(PRECHG), during the conditioning phase.
PAGE 23
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 If this is a concern, there is a simple external solution. Externally toggling the PSEL (bq24030/31/5/8) pin immediately starts the power-transfer process (does not wait for input to drop to the battery's voltage).
PAGE 24
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com V (SET−TREG) + I (OUT) R(SET) K(SET) (8) All deglitch times also adjusted proportionally to t(CHG-TREG).
PAGE 25
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 PG Output (Power Good), bq24038 The open-drain pin PG indicates when either the AC adapter or USB port is present and above the battery voltage. This output is turned off in sleep mode (open drain).
PAGE 26
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com If the output drops below ~1 V, an output short-circuit condition is declared and the input FETs (AC and USB) are turned off. To recover from this state, a 500-Ω pullup resistor from each input is applied (switched) to the output.
PAGE 27
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 APPLICATION INFORMATION Selecting the Input and Output Capacitors In most applications, all that is needed is a high-frequency decoupling capacitor on each input (AC and USB). A 0.
PAGE 28
bq24030, bq24031 bq24032A, bq24035, bq24038 SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 ............................................................................................................................................... www.ti.com PCB Layout Considerations It is important to pay special attention to the PCB layout.
PAGE 29
bq24030, bq24031 bq24032A, bq24035, bq24038 www.ti.com ............................................................................................................................................... SLUS618H – AUGUST 2004 – REVISED OCTOBER 2009 Changes from Revision G (Sept 2007) to Revision H ..................................................................................................... Page • Changed "safety timer" to "fast-charge safety timer" in footnote, and expanded footnote description. .....
PAGE 30
PACKAGE OPTION ADDENDUM www.ti.
PAGE 31
PACKAGE OPTION ADDENDUM www.ti.com 10-Jun-2014 PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details.
PAGE 32
PACKAGE MATERIALS INFORMATION www.ti.com 2-Oct-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant BQ24030RHLR VQFN RHL 20 3000 330.0 12.4 3.8 4.8 1.6 8.0 12.0 Q1 BQ24030RHLR VQFN RHL 20 3000 330.0 12.4 3.8 4.8 1.3 8.0 12.0 Q1 BQ24031RHLR VQFN RHL 20 3000 330.0 12.4 3.8 4.8 1.6 8.0 12.
PAGE 33
PACKAGE MATERIALS INFORMATION www.ti.com 2-Oct-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) BQ24030RHLR VQFN RHL 20 3000 367.0 367.0 35.0 BQ24030RHLR VQFN RHL 20 3000 370.0 355.0 55.0 BQ24031RHLR VQFN RHL 20 3000 367.0 367.0 35.0 BQ24031RHLT VQFN RHL 20 250 210.0 185.0 35.0 BQ24032ARHLR VQFN RHL 20 3000 367.0 367.0 35.0 BQ24032ARHLR VQFN RHL 20 3000 370.0 355.0 55.
PAGE 34
PAGE 35
PAGE 36
PAGE 37
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.