Texas Instruments Bq24153A Manuale utente

User's Guide

SLUU453A–November 2010–Revised February 2012

bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode,

One-Cell, Li-Ion Charger With Full USB Compliance and

USB-OTG Support EVM

The bq24153A/56A/57B/58/59 evaluation module is a complete charger module for evaluating compact,

flexible, high-efficiency, USB-friendly, switch-mode charge management solution for single-cell Li-ion and

Li-polymer batteries used in a wide range of portable applications.

Contents

1 Introduction .................................................................................................................. 2

1.1 EVM Features ...................................................................................................... 2

1.2 General Description ................................................................................................ 2

1.3 I/O Description ...................................................................................................... 2

1.4 Control and Key Parameters Setting ............................................................................ 2

1.5 Recommended Operating Conditions ........................................................................... 3

2 Test Summary ............................................................................................................... 3

2.1 Definitions ........................................................................................................... 3

2.2 Recommended Test Equipment ................................................................................. 3

2.3 Recommended Test Equipment Setup .......................................................................... 4

2.4 Recommended Test Procedure .................................................................................. 6

3 Printed-Circuit Board Layout Guideline .................................................................................. 8

4 Bill of Materials, Board Layout, and Schematics ........................................................................ 9

4.1 Bill of Materials ..................................................................................................... 9

4.2 Board Layout ...................................................................................................... 11

4.3 Schematic ......................................................................................................... 13

List of Figures

1 Connections of HPA172 Kit................................................................................................ 4

2 Charging Function Test Setup ............................................................................................ 5

3 Main Window of bq24153A_9 Evaluation Software ................................................................... 6

4 Boost Function Test Setup ................................................................................................ 7

5 Top Layer................................................................................................................... 11

6 Bottom Layer............................................................................................................... 12

7 Top Assembly.............................................................................................................. 12

List of Tables

1 Factory Jumper Settings ................................................................................................... 4

I2C is a trademark of Philips Electronics N.V.

SLUU453A–November 2010–Revised February 2012 bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion

Charger With Full USB Compliance and USB-OTG Support EVM

This datasheet has been downloaded fromhttp://www.digchip.com at this page

Introduction

www.ti.com

1 Introduction

1.1 EVM Features

• Evaluation module (EVM) for bq24153A/56A/57B/58/59

• High-efficiency fully integrated NMOS-NMOS synchronous buck charger with 3-MHz frequency

• Integrated power FETs for up to 1.55-A charge rate

• Programmable battery voltage, charge current, and input current via I2C™ interface

• Input operating range 4 V – 6 V

• Boost-mode operation for USB OTG

• LED indication for status signals

• Test points for key signals available for testing purposes. Easy probe hook-up

• Jumpers available. Easy-to-change connections.

1.2 General Description

The bq24153A/56A/57B/58/59 evaluation module is a complete charger module for evaluating compact,

flexible, high-efficiency, USB-friendly, switch-mode charge management solution for single-cell Li-ion and

Li-polymer batteries used in a wide range of portable applications.

The bq24153A/56A/57B/58/59 integrates a synchronous PWM controller, power MOSFETs, input current

sensing, high-accuracy current and voltage regulation, and charge termination, into a small WCSP

package. The charge parameters can be programmed through an I2C interface.

For details, see the bq24153A/56A/58/59 data sheet (SLUSAB0) and the bq24157B datasheet

(SLUSAX5).

1.3 I/O Description

Jack Description

J1–DC+ AC adapter or USB, positive output

J1–DC– AC adapter or USB, negative output

J2–BAT– Battery negative terminal; connect to DC-

J2-AUXPWR/CD Connect to AUXPWR pin or CD pin

J2-BAT+ Charger positive output; connect to CSOUT pin

J3–SCL I2C clock; connect to SCL pin

J3–SDA I2C data; connect to SDA pin

J3–DC– AC adapter or USB, negative output

J4–STAT Status output; can be connected to STAT pin by JMP1 set to EXT (2-3)

J4–OTG/SLRST Connect to OTG/SLRST pin

J4–DC– AC adapter or USB, negative output

1.4 Control and Key Parameters Setting

Jack Description Factory Setting

LED 1-2: Connect STAT pin to LED on EVM

JMP1 Jumper on LED (1-2)

EXT 2-3: Connect STAT pin to J4-1

HI 1-2: OTG or SLRST high (input or battery voltage)

JMP2 LO 2-3: OTG or SLRST low (ground) See Table 1

JMP3 J2-BAT+ connect to J2-AUXPWR/CD

JMP4 AUXPWR/CD pin connect to high or low or float

JMP5 OTG/SLRST pin 10-kΩresistor to ground or float Jumper ON

2bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion SLUU453A–November 2010–Revised February 2012

Charger With Full USB Compliance and USB-OTG Support EVM Submit Documentation Feedback

www.ti.com

Test Summary

1.5 Recommended Operating Conditions

Min Typ Max Unit

Supply voltage, VIN Input voltage from ac adapter input 4 5 6 V

Battery voltage, VBAT Voltage applied at VBAT terminal of J8 0 3-4.2 4.44 V

Supply current, IAC Maximum input current from ac adapter input 0.1 0.1–0.5 1.5 A

Charge current, Ichrg Battery charge current 0.325 0.7 1.55 A

Operating junction temperature range, TJ0 125 °C

2 Test Summary

This procedure details how to configure the HPA697 evaluation board for bench evaluation. An electronic

load is used to simulate a battery.

2.1 Definitions

This procedure details how to configure the HPA697 evaluation board. The following naming conventions

are followed. See the bq24153A/56A/57B/58/59EVM (also know as HPA697) schematic for details.

VXXX : External voltage supply name (VADP, VBT, VSBT)

LOADW: External load name (LOADR, LOADI)

V(TPyyy): Voltage at internal test point TPyyy. For example, V(TP12) means the voltage at

TP12.

V(Jxx): Voltage at jack terminal Jxx

V(TP(XXX)): Voltage at test point XXX. For example, V(ACDET) means the voltage at the test

point which is marked as ACDET.

V(XXX, YYY): Voltage across point XXX and YYY.

I(JXX(YYY)): Current going out from the YYY terminal of jack XX.

Jxx(BBB): Terminal or pin BBB of jack xx

Jxx ON : Internal jumper Jxx terminals are shorted

Jxx OFF: Internal jumper Jxx terminals are open

Jxx (-YY-) ON: Internal jumper Jxx adjacent terminals marked as YY are shorted

Measure: →A,B Check specified parameters A, B. If measured values are not within specified limits

the unit under test has failed.

Observe →A,B Observe if A, B occur. If they do not occur, the unit under test has failed.

Assembly drawings have location for jumpers, test points, and individual components.

2.2 Recommended Test Equipment

2.2.1 Power Supplies

Power Supply #1 (PS#1): a power supply capable of supplying 5 V at 2 A is required.

2.2.2 Load #1

A 10-V (or above), 2-A (or above) electronic load that can operate in constant current mode.

2.2.3 Load #2

A 10-V (or above), 2-A (or above) electronic load that can operate in constant voltage mode or a source

meter to simulate a battery.

SLUU453A–November 2010–Revised February 2012 bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion

Charger With Full USB Compliance and USB-OTG Support EVM

Computer

USB port

USB Interface

Adapter

I/O

USB

Texas Instruments

10-pin

Ribbon

Cable

To EVM

Test Summary

www.ti.com

2.2.4 Meters

Two equivalent voltage meters and two equivalent current meters. The current meters must be able to

measure 2-A current.

2.2.5 Computer

A computer with at least one USB port and a USB cable. The bq24153_6_8 evaluation software must be

properly installed.

2.2.6 HPA172 Communication Kit (USB TO GPIO)

A HPA172 USB to I2C communication kit.

2.2.7 Software

Download BQ24153_6_8Setup.zip from the charger's product folder, unzip the file and double-click on the

“SETUP.EXE” file. Follow the installation steps.

2.3 Recommended Test Equipment Setup

1. Set Power Supply #1 for 5 V ± 100 mVdc, 2-A. ±0.1-A current limit, and then turn off supply.

2. Connect the output of Power Supply #1 in series with a current meter (multimeter) to J1 (DC+, DC–).

3. Connect a voltage meter across J1 (DC+, DC–).

4. Connect the Load #2 in series with a current meter (multimeter) to J2 (BAT+, BAT–). Ensure that a

voltage meter is connected across J2 (BAT+, BAT–). Turn on the Load #2. Use the constant voltage

mode. Set the output voltage to 2.5 V.

5. Turn off Load #2.

6. Connect J5 to HPA172 kit by the 10-pin ribbon cable. Connect the USB port of the HPA172 kit to the

USB port of the computer. The connections are shown in Figure 1.

Figure 1. Connections of HPA172 Kit

7. Install jumpers per Table 1

Table 1. Factory Jumper Settings

Spin JMP1 JMP2 JMP3 JMP4 JMP5

HPA256-001 (-LED-) ON (-LO-) ON OFF (-LO-) ON ON

(bq24153A)

HPA256-002 (-LED-) ON (-HI-) ON OFF (-LO-) ON ON

(bq24156A)

4bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion SLUU453A–November 2010–Revised February 2012

Charger With Full USB Compliance and USB-OTG Support EVM Submit Documentation Feedback

BQ2415x EVM

DC+

J 1

DC -

BAT+

SC L

BAT -

APPLICATION

CIRCUIT

J 4

D1 JMP1 JMP2

JMP3

AUXPWR

SDA

DC-

ST AT

OTG

S LRS T

JMP5

JMP4

Iin I

Power

supply #1

ILoad

Ichrg

USB

Cable HPA172 Ribbon

Cable

www.ti.com

Test Summary

Table 1. Factory Jumper Settings (continued)

Spin JMP1 JMP2 JMP3 JMP4 JMP5

HPA256-003 (-LED-) ON (-LO-) ON OFF (-LO-) ON ON

(bq24158)

HPA256-003 (-LED-) ON (-LO-) ON OFF (-LO-) ON ON

(bq24157B)

HPA256-003 (-LED-) ON (-HI-) ON OFF (-LO-) ON ON

(bq24159)

8. After the preceding steps, the test setup for HPA697 is shown in Figure 2

Figure 2. Charging Function Test Setup

9. Turn on the computer.

• Open the bq24153A_9 evaluation software. Select part number and click the GO button. The main

window of the software is shown in Figure 3.

SLUU453A–November 2010–Revised February 2012 bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion

Charger With Full USB Compliance and USB-OTG Support EVM

Test Summary

www.ti.com

Figure 3. Main Window of bq24153A_9 Evaluation Software

2.4 Recommended Test Procedure

The following test procedure may be useful for evaluating the charger IC outside of a real system

especially when no battery is available to connect to the output (i.e., Load#2).

2.4.1 Maximum Charge Current and Maximum Battery Regulation Voltage in The Safety Limit Register

The Maximum Charge Current and Maximum Battery Regulation Voltage values are stored in the Safety

Limit Register. The Safety Limit Register can only be changed immediately after VBAT>2.5V is attached

or valid VBUS voltage is applied (e.g., POR) but before a change (write command) to any other register. If

the default values (950mA maximum charge current and 4.20V maximum charge voltage) are acceptable

for your application, this step is unnecessary. If not, then the following steps are recommended to reset

the Safety Limit Register.

1. Ensure that Section 2.3 steps are followed.

2. Ensure that PS#1 and Load#2 are off so that all power (VBUS and VBAT) has been removed from the

device. Disconnect Load #2 from the EVM.

3. With the software running, disable (uncheck) the Periodic Resets and Periodic Reads feature and also

disable the Immediate Updates button in the toolbar.

4. For the bq24156A and bq24159EVMs only, ensure that the SLRST pin, connected to JP2, is pulled HI.

5. Turn on PS#1.

6bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion SLUU453A–November 2010–Revised February 2012

Charger With Full USB Compliance and USB-OTG Support EVM Submit Documentation Feedback

BQ2415x EVM

DC+

J 1

DC -

BAT+

SC L

BAT -

APPLICATION

CIRCUIT

J 4

D1 JMP1 JMP2

JMP3

AUXPWR

SDA

DC-

ST AT

OT G

SLRS T

JMP5

JMP4

Power

supply #1

Load

I in

USB

Cable HPA172 Ribbon

Cable

www.ti.com

Test Summary

6. Use the drop down boxes to select the desired maximum charge current and/or the maximum charge

voltage. The Safety Limit Register in the register bank on the bottom right of the screen will change

color indicating an update is pending. Press the W button next to the register.

7. Re-enable the Periodic Resets, Periodic Reads and Immediate Updates features as previously

recommended.

The Maximum Charge Current and Maximum Battery Regulation Voltages drop down boxes now display

the updated values and the charger is ready for further evaluation. The values remain in the register and

cannot be changed until a POR event.

2.4.2 Charge Voltage and Current Regulation

1. Ensure that the Section 2.3 steps are followed.

2. Turn on Load#2.

3. Turn on PS#1.

4. Software setup:

• Ensure that Immediate Updates is enabled.

• Check Periodic Resets, and set Rate to 1 second (except for bq24157B).

• Check Periodic Reads, and set Rate to 5 seconds.

• Ensure that Rsense is set to 68 mΩ.

• Ensure that Operation Mode is Charger Mode (except for bq24156A and bq24159).

• Uncheck Charge Current Termination if checked.

• Check STAT Pin.

• Select Charge Current Sense Voltage to Normal.

5. Change Charge Current to 950mA and change Input Current Limit to 500mA.

Measure →Ichrg = 650 mA - 850mA

Measure →Iin = 440mA - 500mA

Observe →Diode D1 is on (green)

6. Check Disable Charger. Turn off PS#1, turn off Load #2, and disconnect.

2.4.3 Boost Function for bq24153A, bq24157B and bq24158 Versions Only

1. Adjust PS#1 output to 3.7 V, and disable the output. Connect the PS#1 in series with a current meter

(multimeter) to J2 (BAT+, BAT–). Ensure that a voltage meter is connected across J2 (BAT+, BAT–).

2. Set the Load #1 current to 200 mA ±20 mA, but disable the output. Connect the output of the Load #1

in series with a current meter (multimeter) to J1 (DC+, DC–). Ensure that a voltage meter is connected

across J1 (DC+, DC–). The setup is now like Figure 4 for HPA256.

Figure 4. Boost Function Test Setup

SLUU453A–November 2010–Revised February 2012 bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion

Charger With Full USB Compliance and USB-OTG Support EVM

Printed-Circuit Board Layout Guideline

www.ti.com

3. Turn on PS#1 output.

4. Software setup: Change Operation Mode to Boost Mode.

Measure →V(J1(DC+, DC–)) = 5 V ±0.2 V

5. Enable Load #1.

Measure →V(J1(DC+, DC–)) = 5 V ±0.2 V

Measure →Iin = 330 mA ±40 mA

Measure →Io = 200 mA ±20 mA

3 Printed-Circuit Board Layout Guideline

1. To obtain optimal performance, the power input capacitors, connected from input to PGND, must be

placed as close as possible to the integrated circuit (IC).

2. The output inductor must be placed close to the IC and the output capacitor connected between the

inductor and PGND of the IC. The intent is to minimize the current path loop area from the SW pin

through the LC filter and back to the PGND pin. To prevent high-frequency oscillation problems, proper

layout to minimize high-frequency current path loop is critical.

3. The sense resistor must be adjacent to the junction of the inductor and output capacitor. Route the

sense leads connected across the RSNS back to the IC, close to each other (minimize loop area) or

on top of each other on adjacent layers (do not route the sense leads through a high-current path).

4. Place all decoupling capacitors close to their respective IC pin and as close as to PGND (do not place

components such that routing interrupts power stage currents). All small control signals must be routed

away from the high current paths.

5. The PCB must have a ground plane (return) connected directly to the return of all components through

vias (two vias per capacitor for power-stage capacitors, two vias for the IC PGND, one via per

capacitor for small-signal components). A star ground design approach is typically used to keep circuit

block currents isolated (high-power/low-power small-signal) which reduces noise-coupling and ground-

bounce issues. A single ground plane for this design gives good results. No ground-bounce issue

occurs with this small layout and a single ground plane. Having the components segregated minimizes

coupling between signals.

6. The high-current charge paths into VBUS, PMID, and from the SW pins must be sized appropriately for

the maximum charge current in order to avoid voltage drops in these traces. The PGND pins must be

connected to the ground plane to return current through the internal low-side FET.

8bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion SLUU453A–November 2010–Revised February 2012

Charger With Full USB Compliance and USB-OTG Support EVM Submit Documentation Feedback

www.ti.com

Bill of Materials, Board Layout, and Schematics

4 Bill of Materials, Board Layout, and Schematics

4.1 Bill of Materials

Count

53A 56A 58 57B 59 RefDes Value Description Size Part Number MFR

1 1 1 1 1 C1 1 µF Capacitor, Ceramic, X5R, 16V, ±10% 0603 GRM188R61C105K Murata

1 1 1 1 1 C2 4.7 µF Capacitor, Ceramic, X7R, 16V, ±10% 0805 GRM21BR71C475K Murata

1 1 1 1 1 C3 10 µF Capacitor, Ceramic, X5R, 10V, ±10% 0805 Std Std

2 2 2 2 2 C4, C5 1 µF Capacitor, Ceramic, X5R, 10V, ±10% 0402 GRM155R61A105K Murata

1 1 1 1 1 C6 0.01 µF Capacitor, Ceramic, X5R, 16V, ±10% 0402 GRM155R61C103K Murata

2 2 2 2 2 C7, C8 0.1 µF Capacitor, Ceramic, X7R, 16V, ±10% 0402 GRM155R71C104K Murata

1 1 1 1 1 C9 47 µF Capacitor, Ceramic, X5R, 10V,±10% 1210 GRM32ER61A476KE20L Murata

1 1 1 1 1 D1 Green Diode, LED, Green, 2.1-V, 20-mA, 6-mcd 0603 LTST-C190GKT Lite On

1 1 1 1 1 D2 BAT54C Diode, Dual Schottky, 200-mA, 30-V SOT23 BAT54C Vishay-Liteon

1 1 1 1 1 J1 ED555/2DS Terminal Block, 2-pin, 6-A, 3.5mm 0.27 x 0.25 inch ED555/2DS OST

3 3 3 3 3 J2, J3, J4 ED555/3DS Terminal Block, 3-pin, 6-A, 3.5mm 0.41 x 0.25 inch ED555/3DS OST

1 1 1 1 1 J5 N2510-6002-RB Connector, Male Straight 2x5 pin, 100mil spacing, 4 Wall 0.338 x 0.788 N2510-6002-RB 3M

inch

3 3 3 3 3 JP1, JP2, JP4 PEC03SAAN Header, Male 3-pin, 100mil spacing, 0.100 inch x 3 PEC03SAAN Sullins

2 2 2 2 2 JP3, JP5 PEC02SAAN Header, Male 2-pin, 100mil spacing, 0.100 inch x 2 PEC02SAAN Sullins

0 1 0 0 1 L1 1 µH 2.5mmx2mm, 1.0uH, ±30%, 1.6A 0.11x0.09 inch LQM2HPN1R0MJ0 or CP1008 Murata or Inter-

Technical

1 0 1 1 0 L1 1 µH 2.5mmx2mm, 1.0uH, ±30%, 1.3A 0.11x0.09 inch LQM2HPN1R0MJ0 or MDT2520- Murata or TOKO or

CN1R0M or CP1008 Inter-Technical

1 1 1 1 1 R1 0.068 Resistor, Chip, 125mW, 5% 0402 ERJ-2BWJR068X Panasonic

1 1 1 1 1 R2 5.1k Resistor, Chip, 1/16-W, 5% 0603 Std Std

1 1 1 1 1 R3 10k Resistor, Chip, 1/16-W, 5% 0603 Std Std

2 2 2 2 2 R4, R5 200 Resistor, Chip, 1/16-W, 5% 0603 Std Std

0 0 0 0 0 TP1–TP7 Open Test Point, 0.020 Hole"

1 0 0 0 0 U1 BQ24153AYFF IC, Battery Charger for Single-Cell Li-Ion and Li-Polymer WCSP BQ24153AYFF TI

Battery

0 1 0 0 0 U1 BQ24156AYFF IC, Battery Charger for Single-Cell Li-Ion and Li-Polymer WCSP BQ24156AYFF TI

Battery

0 0 1 0 0 U1 BQ24158YFF IC, Battery Charger for Single-Cell Li-Ion and Li-Polymer WCSP BQ24158YFF TI

Battery

0 0 0 1 0 U1 BQ24157BYFF IC, Battery Charger for Single-Cell Li-Ion and Li-Polymer WCSP BQ24157BYFF TI

Battery

0 0 0 0 1 U1 BQ24159YFF IC, Battery Charger for Single-Cell Li-Ion and Li-Polymer WCSP BQ24159YFF TI

Battery

4 4 4 4 4 929950-00 Shorting jumper, 2-pin, 100mil spacing 929950-00 3M/ESD

1 1 1 1 1 – PCB, 2.0 In x 2.0 In x 0.031 In HPA697 Any

SLUU453A–November 2010–Revised February 2012 bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion

Charger With Full USB Compliance and USB-OTG Support EVM

Bill of Materials, Board Layout, and Schematics

www.ti.com

Count

53A 56A 58 57B 59 RefDes Value Description Size Part Number MFR

10 bq24153A/56A/57B/58/59 Fully Integrated, Switch-Mode, One-Cell, Li-Ion SLUU453A–November 2010–Revised February 2012

Charger With Full USB Compliance and USB-OTG Support EVM Submit Documentation Feedback

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