User's Guide
SLUUAV8A – February 2014 – Revised August 2014
User's Guide for QFN Packaged bq24260, bq24261, and
bq24262 3-A Battery Charger Evaluation Module
The bq24260, bq24261, and bq24262 evaluation module on the printed-circuit board (PCB) PWR611 is a
complete charger module for evaluating a 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.
1
2
3
4
Contents
Introduction ................................................................................................................... 2
1.1
bq2416x IC Features ............................................................................................... 2
1.2
bq24260, bq24261, bq24262 EVM Features.................................................................... 2
1.3
Schematic ............................................................................................................ 3
1.4
I/O Description ...................................................................................................... 4
1.5
Test Points ........................................................................................................... 4
1.6
Control and Key Parameters Setting ............................................................................. 5
1.7
Recommended Operating Conditions ............................................................................ 5
Test Summary ................................................................................................................ 6
2.1
Definitions ............................................................................................................ 6
2.2
Recommended Test Equipment .................................................................................. 6
2.3
Recommended Test Equipment Setup .......................................................................... 8
2.4
Recommended Test Procedure ................................................................................. 10
Printed-Circuit Board Layout Guideline.................................................................................. 12
Bill of Materials and Board Layout ...................................................................................... 13
4.1
Bill of Materials .................................................................................................... 13
4.2
Board Layout ....................................................................................................... 16
List of Figures
...........................................................................
1
bq24260, bq24261, bq24262EVM Schematic
2
BAT_Load (PR1010) Schematic ........................................................................................... 7
3
Connections of HPA172 Kit
4
Original Test Setup for bq24260, bq24261, bq24262 EVM ............................................................ 9
5
Main Window of the bq2426xSW Evaluation Software................................................................ 10
6
Top Assembly Layer ....................................................................................................... 16
7
Top Layer
8
9
10
................................................................................................
...................................................................................................................
First Internal Layer .........................................................................................................
Second Internal Layer .....................................................................................................
Bottom Layer ................................................................................................................
3
8
17
18
19
20
List of Tables
1
Bill of Materials - PWR611 ................................................................................................ 13
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User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
1
Introduction
1
Introduction
1.1
bq2416x IC Features
www.ti.com
The bq24260, bq24261, and bq24262 family integrates a synchronous PWM controller, power MOSFETs,
input-current sensing, high-accuracy current and voltage regulation, charge termination, and power path
management into a QFN package. The charge parameters can be programmed through an I2C interface.
Key IC features include:
• High-efficiency, fully-integrated, NMOS-NMOS, synchronous buck charger with 1.5-MHz frequency
• Charge time optimizer
• Integrated power FETs for up to a 3-A charge rate
• 5-V, 1-A USB On-the-Go (OTG) VBUS supply
• Power path management between battery and system voltages
For details, see the bq24260, bq24261, and bq24262 data sheet (SLUSBA2).
1.2
bq24260, bq24261, bq24262 EVM Features
The bq24260, bq24261, and bq24262 evaluation modules (EVM) provide a complete charger module for
evaluating compact, flexible, high-efficiency, USB-friendly, switch-mode battery charge, and power path
management solution for single-cell, Li-ion and Li-polymer battery-powered systems used in a wide range
of portable applications. Key EVM features include:
• Terminal blocks and standard headers for IN, SYS, BAT, TS; USB connector for IN
• Programmable battery voltage, charge current, input current, and status via I2C
• PC-based GUI for reading/writing to internal parameter setting and status reporting registers
• IN operating up to 10.5 V for bq24260, 14 V for bq24261 and 6.5 V for bq24262
• LED indication for status signals
• Test points for key signals available for easy test probe hook-up
2
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
SLUUAV8A – February 2014 – Revised August 2014
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Introduction
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1.3
Schematic
The bq24260, bq24261, and bq24262 EVM schematic is shown in Figure 1.
1
2
3
4
5
6
7
8
9
10
STAT
TP10
R2
200
DP
DM
PAD
13
25
14
D+
STAT
16
2
GND
C6
J14
12
1
11
1
BGATE
10
GND
2
INT
C4
1.0uF
9
J5
8
Q1
CSD25401Q3
7
SYS
TS
5
BGATE
6
PMID
BAT
2
BGATE
GATE
SYS (OFF)
3
JP7
2
1
JP4
TS
3
LOW
15
SYS
1
2
D-
BAT
SW
1
1
HIGH
PSEL
SCL
SW
BQ2426XRGE
U1
1
DRV
BAT
CD
24
1
PGND
8
9
SW
INT
DRV
DP
BGATE
PGND
4
23
1
5
AGND
3
22
1
17
18
IN
2
21
JP1
R9 1
AGND
BOOT
20
DM
3
IN
2
2
SDA
7
6
19
4
J13
BAT
1
USB
BAT
2
J15
J2
1
TP11
R1
200
1
I2C
C9
1.0uF
C5
10uF
SYS
R8
1.00M
CD
1
DRV
IN
2
2
C2
1.0uF
J4
1
C3
0.033uF
IN
SYS
2
1
IN
J12
2
GND
C8
J1
1
2
SYS
C1
4.7uF
SW
L1
1.5uH
1
C7
10uF
GND
2
2
SYS
1
GND
J11
1
J8
JP3
JP2
1
2
1
DRV
2
1
2
DRV
2
DRV
2
CD
GND
J10
DRV
HIGH
CD
LOW
D1
STAT
D2
INT
R3
R4
1.50k
1.50k
3
R5
JP5
TP9
EXT
TS
TS
5.62k
TP2
TP5
TP7
1
TP6
1
STAT
TP8
12.4k
J6
DRV
2
BAT
INT
2
SYS
DRV
1
IN
R7
2
DRV
1
GND
J7
3
JP6
TP3
SW
R6
J9
SIM
TP4
2
2
1
EXT
TS
TP1
1
2
GND
50k
1
2
1
See BOM for part usage
2
See User's guide for voltage ratings
GND
J3
Figure 1. bq24260, bq24261, bq24262EVM Schematic
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Introduction
1.4
1.5
4
www.ti.com
I/O Description
Header/Terminal Block
Description
J1– IN/GND
Input power positive and negative terminal
J2 – USB
USB mini-connector
J3 - GND
DRV linear regulator negative header
J4 - IN
Input power positive header
J5 - GND
Battery negative header
J6 - DRV
DRV linear regulator positive output
J7 - DRV/GND
DRV linear regulator positive and negative terminals
J8 - GND
Input power negative header
J9 - EXT TS/GND
External thermistor terminal
J10 - GND
SYS output negative header
J11 - SYS/GND
SYS output positive and negative terminal
J12 - SYS
SYS output positive header
J13 - BAT
Battery positive header
J14 - BAT/GND
Battery positive and negative header
J15 - USB-to-GPIO
USB-to-GPIO box keyed connector
Test Points
Test Point
Description
TP1
BAT
TP2
SW
TP3
GND
TP4
SYS
TP5
IN
TP6
STAT
TP7
GND
TP8
INT
TP9
TS
TP10
SCL
TP11
SDA
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
SLUUAV8A – February 2014 – Revised August 2014
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Introduction
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1.6
1.7
Control and Key Parameters Setting
Jumper
Description
Default Factory Setting
JP1
BQ24260 only: Shorting jumper for USB data lines DM (D-) and DP (D+). When
shorted, USB input current limit defaults to 1.5 A. Otherwise, USB100 mode is
selected.
SHORTED
JP2
Shorting jumper to connect DRV to anode of D1 STAT LED
SHORTED
JP3
Shorting jumper to connect DRV to anode of D1 INT LED
SHORTED
JP4
GATE = SYS: External PFET's gate tied to SYS and therefore disabled.
GATE = BGATE: External PFET's gate tied to BGATE pin and therefore controlled by
IC.
GATE = BGATE
JP5
CD = LO: Charge disable low for normal operation
CD = HI: Charge disable high to disable the buck converter and enter Hi-Z mode
CD = LO
JP6
TS = SIM(INT): Connects a potentiometer to the TS pin so that the potentiometer can
simulator a thermistor (that is, an internal, on-board thermistor). The potentiometer has
been preset per R5 and R6 so that the TS voltage is 0.5 x V (DRV).
TS = EXT: Connects the TS pin to an external thermistor through J9. The resistor
divider formed by R5 and R6 has been sized to accommodate a 10-kΩ thermistor. If a
different thermistor is used, R5 and R6 must be resized.
TS = SIM(INT)
JP7
bq24261 and bq24262 only
PSEL = LO: Input current limit is set to 1.5 A until changed by I2C.
PSEL = HI: For bq24261, input current limit is set to USB100 until changed by I2C. For
bq24262, input current limit is set to USB500 until changed by I2C.
PSEL = HI
Recommended Operating Conditions
Min
Typ
Max
Unit
V
Supply voltage, VIN
Input voltage from ac adapter (bq24260)
4.2
10.0
Supply voltage, VIN
Input voltage from ac adapter (bq24261)
4.2
13.2
Supply voltage, VIN
Input voltage from ac adapter (bq24262)
4.2
6.0
V
System voltage, VSYS
Voltage output at SYS terminal ; depends on VBAT voltage
and status of VINDPM)
3.4
VBATR
EG +3%
V
Battery voltage, VBAT
Voltage output at VBAT terminal (registers set via I2C
communication)
1.9
4.44
V
Supply current, IIN(MAX)
Maximum input current from ac adapter input (registers set
via I2C communication)
0.1
2.5
A
Fast charge current,
ICHRG(MAX)
Battery charge current (registers set via I2C communication)
0.500
3.0
A
-40
125
°C
Operating junction temperature range, TJ
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User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
5
Test Summary
2
www.ti.com
Test Summary
This procedure describes one test configuration of the bq2426XEVM-611 evaluation board for bench
evaluation.
2.1
Definitions
The following naming conventions are followed.
VXXX :
LOADW:
V(TPyyy):
V(Jxx):
V(TP(XXX)):
V(XXX, YYY):
I(JXX(YYY)):
Jxx(BBB):
JPx ON :
JPx OFF:
JPx (-YY-)
Measure: → A,B
Observe → A,B
External voltage supply name (VADP, VBT, VSBT)
External load name (LOAD1, LOAD2)
Voltage at internal test point TPyyy. For example, V(TP12) means the voltage at
TP12.
Voltage at header Jxx
Voltage at test point XXX. For example, V(ACDET) means the voltage at the test
point which is marked as ACDET.
Voltage across point XXX and YYY
Current going out from the YYY terminal of header XX
Terminal or pin BBB of header xx
Internal jumper Jxx terminals are shorted
Internal jumper Jxx terminals are open
ON: Internal jumper Jxx adjacent terminals marked as YY are shorted
Check specified parameters A,B. If measured values are not within specified limits,
the unit under test has failed.
Observe if A,B occur. If they do not occur, the unit under test has failed.
The assembly drawings (Section 4.2) show locations for jumpers, test points, and individual components.
2.2
Recommended Test Equipment
2.2.1
Power Supplies
1. Power supply #1 (PS #1) capable of supplying 6 V at 3 A is required.
2. If not using a battery as the load, then power supply #2 (PS #2) capable of supplying up to 5 V at 5 A
is required to power the circuit shown in Figure 2.
2.2.2
Load #1 Between BAT and GND
Testing with an actual battery is the best way to verify operation in the system. If a battery is not available,
then a circuit similar to the one shown in Figure 2 can simulate a battery when connected to a power
supply.
6
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
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Test Summary
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Figure 2. BAT_Load (PR1010) Schematic
2.2.3
Load #2 Between SYS and GND
Although not required, a resistive load capable of sinking up to 3 A can be used.
2.2.4
Meters
Four equivalent voltage meters (VM #) and two equivalent current meters (CM #) are required. The current
meters must be able to measure 3-A current.
2.2.5
Computer
A computer with at least one USB port and a USB cable is required. The bq2416x evaluation software
must be properly installed.
2.2.6
HPA172 Communication Kit (USB to GPIO)
An HPA172 USB-to-I2C communication kit is required.
2.2.7
Software
Download BQ2416xSW.zip from the charger's product folder, unzip the file, and double-click on the
SETUP.EXE file. Follow the installation steps.
Because the bq24260 and bq24261 have the watchdog timers enabled, it is recommended that you set
the software's Reset Watchdog Timer to reset every 5 seconds. Otherwise, after 30 seconds of
operation, the IC enters Default mode. Note that the 27-minute safety timer is not reset by this function
and eventually times out if charging does not complete, unless the Safety Timer Time Limit is expanded
or disabled via the GUI. One way to reset the safety timer is to allow the 30-second watchdog timer to
expire. See Figure 3 in the data sheet (SLUSBA2) for more information about the timers.
Also, it is generally helpful to activate the Write On Change functions, in the upper left of the GUI window,
to ON. The Write On Change function writes any changes to the GUI's check boxes, drop-down boxes,
and registers to the IC. Otherwise, click the WRITE button to write changes to the software. It is
recommended to periodically click the READ button to find the IC's instantaneous status. Alternatively, the
AutoRead function can be activated to periodically update the GUI with the IC's status.
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Test Summary
2.3
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Recommended Test Equipment Setup
1. For all power connections, use short, twisted-pair wires of appropriate gauge wire for the amount of the
current.
2. Set PS #1 for 6-V, 3-A current limit and then turn off the supply.
3. If BAT_Load as shown in Figure 1 is used, connect PS #2 set to approximately 3.6 V to the input side
(PS #2±) of BAT_Load, then turn off PS #2.
4. Connect the output side of the battery or BAT_Load in series with the current meter (multimeter) #2
(CM #2) to J2 and J6 or J3 (BAT, GND). Ensure that a voltage meter is connected across J2 or TP3
and J6 or TP9 (BAT, GND).
5. Connect VM #3 across J10 or TP7 and J14 or TP9 (SYS, GND).
6. Connect VM #4 across J15 or TP5 and J14 or TP9 (DRV, GND).
7. Connect J17 to the HPA172 kit with 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 3.
I/O
USB Interface
Adapter
Texas Instruments
© 2006
USB
To
Computer
USB port
10-pin
Ribbon
Cable
To EVM
Figure 3. Connections of HPA172 Kit
8. Ensure jumpers are at the default factory settings per Section 1.6.
8
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
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Test Summary
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9. After the preceding steps have been performed, the test setup for bq2426XEVM-611 is configured as
shown in Figure 4.
-
+
VM#1
V
PS
#1
A
-
IIN
CM#1
+
PS#2
-
+
ICHRG
A
BAT_Load
V
VM#2
+
-
CM#2
+
Windows
PC
V
VM#3
-
USB-TOGPIO
+
V
VM#4
Figure 4. Original Test Setup for bq24260, bq24261, bq24262 EVM
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Test Summary
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10. Turn on the computer. Open the bq2426x evaluation software. The main window of the software is
shown in Figure 5.
Figure 5. Main Window of the bq2426xSW Evaluation Software
2.4
Recommended Test Procedure
It is best to evaluate the IC with a real battery attached to the BAT pin. If no battery is available, the
following test procedure, with explanation on how to simulate a battery with a second power supply and
load board previously presented, may be useful for evaluating the charger IC.
2.4.1
Charge Voltage and Current Regulation of IN in HOST mode
1. Ensure that the steps listed in Section 2.3 are followed.
2. Ensure that the shunts are installed to the default values per Section 1.6.
3. Connect the output of PS #1, with at least a 4-A current limit setting, in series with CM #1 to J1 as
shown in Figure 4.
4. Connect VM #1 across J4 and J3 or TP5 and/or TP7 (IN, GND).
5. Connect either a real single-cell lithium ion battery or battery simulator across J14 or J13/J5 (BAT,
GND) with CM #2 in series as shown in Figure 4. If using a battery simulator like the one shown in
Figure 2 and referred to as BAT_LOAD in Figure 4, configure PS #2 with at least 4-A current limit for
3.4 V.
6. Install VM #1 across J4 and J3 or TP5 and TP7 (IN and GND).
7. Install VM #2 across J13 and J5 or TP1 and TP7 (BAT and GND).
8. Install VM #3 across J12 and J10 or TP4 and TP7 (SYS and GND).
10
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
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Test Summary
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9. VM #4 is optional.
10. Turn on PS #1 and PS #2, if used.
11. Software setup:
• Press the READ button to obtain the current settings.
• Set Write On Change to ON, if not already set.
• Set Reset Watchdog Timer to reset every 5 seconds.
• Uncheck Disable Charging, if checked.
• Check Enable STAT/INT Outputs.
• Set Battery Regulation Voltage to 4.20 V.
• Set Input Current Limit to 2.5 A.
• Set Charge Current to 2000 mA.
• Click the READ button at the top of the window and confirm that the previous settings remain.
12. Test the charge current regulation by adjusting the PS #1 power supply so that VM #1 still reads 5 V
and PS #2 so that the voltage measured by VM #2 is 3.6 V.
Measure on CM #2 → ICHRG = 2000 mA ±100 mA.
Measure on CM #1 → IIN < 1600 mA.
13. Test the input current limit by lowering the software's Input Current Limit setting to 900 mA then
readjusting PS #1 so that VM #1 reads 5 V and PS #2 reads 3.6 V.
Measure on CM #2 → ICHRG < 2000 mA.
Measure on CM #1 → IIN = 800 mA – 900 mA.
14. Test the minimum system voltage and DPPM by returning the software's Input Current Limit setting
to 2500 mA then lowering PS #2 until VM #2 reads 3.3 V. Add an external resistive or constant current
load across J13 and J5 that does not draw more than 2.5 A from SYS.
Measure on VM #3 → 3.44 V – 3.55 V.
Measure on CM #2 → ICHRG = 2000 mA ±100 mA minus the load current on SYS.
15. Test the VINDPM function by removing the load on SYS, adjusting PS #1 so that VM #1 reads 5 V,
adjusting PS# 2 so that VM #2 reads 3.6 V and then lowering the current limit setting on PS #1 to
below the software's Charge Current setting.
Measure on VM #1 → VIN = software's V INDPM level (default of 4.2 V).
Measure on CM #2 → ICHRG < 2000 mA.
16. Test battery regulation and charge termination by returning the PS #1 current limit to 4-A and
confirming that the software's Enable Termination box is checked, then, slowly increase PS #2 until
VM #2 reaches 4.2 V.
Measure on CM #2 → ICHRG slowly tapers to the software's ITERM setting (default of 150 mA) and then
drops to zero.
Observe → LEDs turn off.
17. Test battery supplement mode by lowering PS #2 until VM #2 reads 3.6 V. Add an external resistive or
constant current load across J13 and J5 that draws more than 3 A from SYS.
Measure on VM #4 → 3.6 V – IBATSUP × RDS(ON)(BATFET).
Measure on #2 → ICHRG = –IBATSUP.
18. Turn off PS #1 and PS #2.
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Printed-Circuit Board Layout Guideline
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2.4.2
Helpful Hints
1. The leads and cables to the various power supplies have resistance. The current meters also have
series resistance. Therefore, voltmeters must be used to measure the voltage as close to the IC pins
as possible instead of relying on each supply's digital measurement.
2. When using a sourcemeter that can source and sink current as your battery simulator, it is highly
recommended to add a large (1000 µF+) capacitor at the EVM BAT and GND connectors in order to
prevent oscillations at the BAT pin due to mismatched impedances of the charger output and
sourcemeter input within their respective regulation loop bandwidths. Configuring the sourcemeter for
4-wire sensing eliminates the need for a separate voltmeter to measure the voltage at the BAT pin.
When using 4-wire sensing, always ensure that the sensing leads are connected first in order to
prevent accidental overvoltage by the power leads.
3. For precise measurements of charge current and battery regulation near termination, remove the
current meter in series with the battery or battery simulator. An alternate method for measuring charge
current is to either use an oscilloscope with hall effect current probe or place a 1% or better, thermally
capable (for example, 0.010 Ω in 1206 or larger footprint) resistor in series between the BAT pin and
battery and measure the voltage across that resistor.
3
Printed-Circuit Board Layout Guideline
Use the following guidelines for PCB layout:
1. To obtain optimal performance, the power input capacitors, connected from the PMID input to PGND,
must be placed as close as possible to the IC.
2. Place 4.7-µF input capacitor as close to PMID pin and PGND pin as possible to make the highfrequency current loop area as small as possible. Place 1-µF input capacitor GNDs as close to the
respective PMID capacitor GND and PGND pins as possible to minimize the ground difference
between the input and PMID.
3. The local bypass capacitor from SYS to GND must be connected between the SYS pin 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.
4. Place all decoupling capacitors close to their respective IC pins and as close as possible 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, one via per capacitor for small-signal
components). It is also recommended to put vias inside the PGND pads for the IC, if possible. 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. With this small layout and a single ground plane, no ground-bounce issue
exists, and having the components segregated minimizes coupling between signals.
6. The high-current charge paths into IN, USB, BAT, SYS, 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.
7. For high-current applications, the balls for the power paths must be connected to as much copper in
the board as possible. This allows better thermal performance because the board conducts heat away
from the IC.
12
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
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Bill of Materials and Board Layout
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4
Bill of Materials and Board Layout
4.1
Bill of Materials
Table 1 contains the bill of materials for this EVM.
Table 1. Bill of Materials - PWR611
-001
-002
-003
Designator
Description
Manufacturer
PartNumber
1
1
1
!PCB
Printed Circuit Board
Any
PWR611
1
1
1
C1
Capacitor, Ceramic, 25V, X5R, 20%
TDK
C1608X5R1E475M
1
1
1
C2
Capacitor, Ceramic, 6.3V, X5R, 10%
TDK
C1005X5R0J105K
1
1
1
C3
Capacitor, Ceramic, 25V, X5R, 10%
TDK
C1005X5R1E333K
1
1
1
C4
Capacitor, Ceramic, 6.3V, X5R, 10%
TDK
C1005X5R0J105K
1
1
1
C5
Capacitor, Ceramic, 10V, X5R, 20%
TDK
C1608X5R1A106M
0
0
0
C6
Capacitor, Ceramic Chip,
Std
Std
1
1
1
C7
Capacitor, Ceramic, 10V, X5R, 20%
Taiyo Yuden
LMK325BJ106MD-T
0
0
0
C8
Capacitor, Ceramic Chip
STD
STD
1
1
1
C9
Capacitor, Ceramic, 25V, X5R, 10%
TDK
C1608X5R1E105K080AC
1
1
1
D1
Diode, LED, Green, 2.1-V, 20-mA, 6-mcd
Lite On
LTST-C190GKT
1
1
1
D2
Diode, LED, Red, 2.1-V, 20-mA, 6-mcd
Lite On
LTST-C190CKT
1
1
1
J1
Terminal Block, 2-pin, 6-A, 3.5mm
OST
ED555/2DS
1
1
1
J10
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
J11
Terminal Block, 2-pin, 6-A, 3.5mm
OST
ED555/2DS
1
1
1
J12
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
J13
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
J14
Terminal Block, 2-pin, 6-A, 3.5mm
OST
ED555/2DS
1
1
1
J15
Connector, Male Straight 2x5 pin, 100mil spacing, 4 Wall
3M
N2510-6002RB
1
1
1
J2
Connector, USB Micro, Type AB
Hirose
ZX62D-AB-5P8
1
1
1
J3
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
J4
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
J5
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
J6
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
J7
Terminal Block, 2-pin, 6-A, 3.5mm
OST
ED555/2DS
1
1
1
J8
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
J9
Terminal Block, 2-pin, 6-A, 3.5mm
OST
ED555/2DS
1
0
0
JP1
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
JP2
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
JP3
Header, Male 2-pin, 100mil spacing,
Sullins
PEC02SAAN
1
1
1
JP4
Header, Male 3-pin, 100mil spacing,
Sullins
PEC03SAAN
SLUUAV8A – February 2014 – Revised August 2014
Submit Documentation Feedback
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A Battery
Charger Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
13
Bill of Materials and Board Layout
www.ti.com
Table 1. Bill of Materials - PWR611 (continued)
-001
-002
-003
Designator
Description
Manufacturer
PartNumber
1
1
1
JP5
Header, Male 3-pin, 100mil spacing,
Sullins
PEC03SAAN
1
1
1
JP6
Header, Male 3-pin, 100mil spacing,
Sullins
PEC03SAAN
0
1
1
JP7
Header, Male 3-pin, 100mil spacing,
Sullins
PEC03SAAN
1
1
1
L1
Inductor, IR=3.1A, ISAT=3.5A, 59 mΩ typ
Inductor, IR=3.3A, ISAT=4.1A, 64 mΩ typ
Inductor, IR=3.0A, ISAT=4.0A, 55 mΩ typ
TDK
Toko
Wurth Elektronik
SPM4012T-1R5M/
Alt: FDSD0415-H-1R5M
Alt:S13100073
1
1
1
Q1
MOSFET, PChan, -20V, 60A, 8.7 milliOhm
TI
CSD25401Q3
1
1
1
R1
Resistor, Chip, 1/16W, 1%
Vishay
CRCW0603200RFKEA
1
1
1
R2
Resistor, Chip, 1/16W, 1%
Vishay
CRCW0603200RFKEA
1
1
1
R3
Resistor, Chip, 1/16W, 5%
Vishay
CRCW06031K50FKEA
1
1
1
R4
Resistor, Chip, 1/16W, 5%
Vishay
CRCW06031K50FKEA
1
1
1
R5
Resistor, Chip, 1/16W, 1%
Vishay
CRCW04025K62FKED
1
1
1
R6
Resistor, Chip, 1/16W, 1%
Vishay
CRCW040212K4FKED
1
1
1
R7
Potentiometer, 3/8 Cermet, Single-Turn
Bourns
3266W-1-503LF
1
1
1
R8
Resistor, Chip, 1/16W, 1%
Vishay
CRCW06031M00FKEA
1
0
0
R9
Resistor, Chip, 1/16W, 1%
Vishay
CRCW04020000Z0ED
1
0
0
SH-JP1
Shunt, 100mil, Gold plated, Black
3M
969102-0000-DA
1
1
1
SH-JP2
Shunt, 100mil, Gold plated, Black
3M
969102-0000-DA
1
1
1
SH-JP3
Shunt, 100mil, Gold plated, Black
3M
969102-0000-DA
1
1
1
SH-JP4
Shunt, 100mil, Gold plated, Black
3M
969102-0000-DA
1
1
1
SH-JP5
Shunt, 100mil, Gold plated, Black
3M
969102-0000-DA
1
1
1
SH-JP6
Shunt, 100mil, Gold plated, Black
3M
969102-0000-DA
0
1
1
SH-JP7
Shunt, 100mil, Gold plated, Black
3M
969102-0000-DA
1
1
1
TP1
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP10
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP11
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP2
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP3
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP4
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP5
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP6
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP7
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP8
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
1
1
TP9
Test Point, White, Thru Hole Color Keyed
Keystone
5002
1
0
0
U1
3A, 30V, Host-Controlled Single-Input, Single Cell Switchmode Li-Ion Battery Charger with
Power Path Management and USB-OTG Support, RGE0024H
Texas Instruments
BQ24260RGE
0
1
0
U1
3A, 30V, Host-Controlled Single-Input, Single Cell Switchmode Li-Ion Battery Charger with
Power Path Management and USB-OTG Support, RGE0024H
Texas Instruments
BQ24261RGE
14
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A Battery
Charger Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
SLUUAV8A – February 2014 – Revised August 2014
Submit Documentation Feedback
Bill of Materials and Board Layout
www.ti.com
Table 1. Bill of Materials - PWR611 (continued)
-001
-002
-003
Designator
Description
Manufacturer
PartNumber
0
0
1
U1
3A, 30V, Host-Controlled Single-Input, Single Cell Switchmode Li-Ion Battery Charger with
Power Path Management and USB-OTG Support, RGE0024H
Texas Instruments
BQ24262RGE
SLUUAV8A – February 2014 – Revised August 2014
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User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A Battery
Charger Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
15
Bill of Materials and Board Layout
4.2
www.ti.com
Board Layout
Figure 6 through Figure 10 illustrate the PCB layouts for this EVM.
Figure 6. Top Assembly Layer
16
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
SLUUAV8A – February 2014 – Revised August 2014
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Copyright © 2014, Texas Instruments Incorporated
Bill of Materials and Board Layout
www.ti.com
Figure 7. Top Layer
SLUUAV8A – February 2014 – Revised August 2014
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User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
17
Bill of Materials and Board Layout
www.ti.com
Figure 8. First Internal Layer
18
User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
SLUUAV8A – February 2014 – Revised August 2014
Submit Documentation Feedback
Copyright © 2014, Texas Instruments Incorporated
Bill of Materials and Board Layout
www.ti.com
Figure 9. Second Internal Layer
SLUUAV8A – February 2014 – Revised August 2014
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User's Guide for QFN Packaged bq24260, bq24261, and bq24262 3-A
Battery Charger Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
19
Revision History
www.ti.com
Figure 10. Bottom Layer
Revision History
Changes from Original (February 2014) to A Revision .................................................................................................. Page
•
Changed content in the bill of materials............................................................................................... 13
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
20
Revision History
SLUUAV8A – February 2014 – Revised August 2014
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Copyright © 2014, Texas Instruments Incorporated
ADDITIONAL TERMS AND CONDITIONS, WARNINGS, RESTRICTIONS, AND DISCLAIMERS FOR
EVALUATION MODULES
Texas Instruments Incorporated (TI) markets, sells, and loans all evaluation boards, kits, and/or modules (EVMs) pursuant to, and user
expressly acknowledges, represents, and agrees, and takes sole responsibility and risk with respect to, the following:
1.
User agrees and acknowledges that EVMs are intended to be handled and used for feasibility evaluation only in laboratory and/or
development environments. Notwithstanding the foregoing, in certain instances, TI makes certain EVMs available to users that do not
handle and use EVMs solely for feasibility evaluation only in laboratory and/or development environments, but may use EVMs in a
hobbyist environment. All EVMs made available to hobbyist users are FCC certified, as applicable. Hobbyist users acknowledge, agree,
and shall comply with all applicable terms, conditions, warnings, and restrictions in this document and are subject to the disclaimer and
indemnity provisions included in this document.
2. Unless otherwise indicated, EVMs are not finished products and not intended for consumer use. EVMs are intended solely for use by
technically qualified electronics experts who are familiar with the dangers and application risks associated with handling electrical
mechanical components, systems, and subsystems.
3. User agrees that EVMs shall not be used as, or incorporated into, all or any part of a finished product.
4. User agrees and acknowledges that certain EVMs may not be designed or manufactured by TI.
5. User must read the user's guide and all other documentation accompanying EVMs, including without limitation any warning or
restriction notices, prior to handling and/or using EVMs. Such notices contain important safety information related to, for example,
temperatures and voltages. For additional information on TI's environmental and/or safety programs, please visit www.ti.com/esh or
contact TI.
6. User assumes all responsibility, obligation, and any corresponding liability for proper and safe handling and use of EVMs.
7. Should any EVM not meet the specifications indicated in the user’s guide or other documentation accompanying such EVM, the EVM
may be returned to TI within 30 days from the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE
EXCLUSIVE WARRANTY MADE BY TI TO USER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR
STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. TI SHALL
NOT BE LIABLE TO USER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RELATED TO THE
HANDLING OR USE OF ANY EVM.
8. No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or
combination in which EVMs might be or are used. TI currently deals with a variety of customers, and therefore TI’s arrangement with
the user is not exclusive. TI assumes no liability for applications assistance, customer product design, software performance, or
infringement of patents or services with respect to the handling or use of EVMs.
9. User assumes sole responsibility to determine whether EVMs may be subject to any applicable federal, state, or local laws and
regulatory requirements (including but not limited to U.S. Food and Drug Administration regulations, if applicable) related to its handling
and use of EVMs and, if applicable, compliance in all respects with such laws and regulations.
10. User has sole responsibility to ensure the safety of any activities to be conducted by it and its employees, affiliates, contractors or
designees, with respect to handling and using EVMs. Further, user is responsible to ensure that any interfaces (electronic and/or
mechanical) between EVMs and any human body are designed with suitable isolation and means to safely limit accessible leakage
currents to minimize the risk of electrical shock hazard.
11. User shall employ reasonable safeguards to ensure that user’s use of EVMs will not result in any property damage, injury or death,
even if EVMs should fail to perform as described or expected.
12. User shall be solely responsible for proper disposal and recycling of EVMs consistent with all applicable federal, state, and local
requirements.
Certain Instructions. User shall operate EVMs within TI’s recommended specifications and environmental considerations per the user’s
guide, accompanying documentation, and any other applicable requirements. Exceeding the specified ratings (including but not limited to
input and output voltage, current, power, and environmental ranges) for EVMs may cause property damage, personal injury or death. If
there are questions concerning these ratings, user should contact a TI field representative prior to connecting interface electronics including
input power and intended loads. Any loads applied outside of the specified output range may result in unintended and/or inaccurate
operation and/or possible permanent damage to the EVM and/or interface electronics. Please consult the applicable EVM user's guide prior
to connecting any load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative. During
normal operation, some circuit components may have case temperatures greater than 60°C as long as the input and output are maintained
at a normal ambient operating temperature. These components include but are not limited to linear regulators, switching transistors, pass
transistors, and current sense resistors which can be identified using EVMs’ schematics located in the applicable EVM user's guide. When
placing measurement probes near EVMs during normal operation, please be aware that EVMs may become very warm. As with all
electronic evaluation tools, only qualified personnel knowledgeable in electronic measurement and diagnostics normally found in
development environments should use EVMs.
Agreement to Defend, Indemnify and Hold Harmless. User agrees to defend, indemnify, and hold TI, its directors, officers, employees,
agents, representatives, affiliates, licensors and their representatives harmless from and against any and all claims, damages, losses,
expenses, costs and liabilities (collectively, "Claims") arising out of, or in connection with, any handling and/or use of EVMs. User’s
indemnity shall apply whether Claims arise under law of tort or contract or any other legal theory, and even if EVMs fail to perform as
described or expected.
Safety-Critical or Life-Critical Applications. If user intends to use EVMs in evaluations of safety critical applications (such as life support),
and a failure of a TI product considered for purchase by user for use in user’s product would reasonably be expected to cause severe
personal injury or death such as devices which are classified as FDA Class III or similar classification, then user must specifically notify TI
of such intent and enter into a separate Assurance and Indemnity Agreement.
RADIO FREQUENCY REGULATORY COMPLIANCE INFORMATION FOR EVALUATION MODULES
Texas Instruments Incorporated (TI) evaluation boards, kits, and/or modules (EVMs) and/or accompanying hardware that is marketed, sold,
or loaned to users may or may not be subject to radio frequency regulations in specific countries.
General Statement for EVMs Not Including a Radio
For EVMs not including a radio and not subject to the U.S. Federal Communications Commission (FCC) or Industry Canada (IC)
regulations, TI intends EVMs to be used only for engineering development, demonstration, or evaluation purposes. EVMs are not finished
products typically fit for general consumer use. EVMs may nonetheless generate, use, or radiate radio frequency energy, but have not been
tested for compliance with the limits of computing devices pursuant to part 15 of FCC or the ICES-003 rules. Operation of such EVMs may
cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may
be required to correct this interference.
General Statement for EVMs including a radio
User Power/Frequency Use Obligations: For EVMs including a radio, the radio included in such EVMs is intended for development and/or
professional use only in legally allocated frequency and power limits. Any use of radio frequencies and/or power availability in such EVMs
and their development application(s) must comply with local laws governing radio spectrum allocation and power limits for such EVMs. It is
the user’s sole responsibility to only operate this radio in legally acceptable frequency space and within legally mandated power limitations.
Any exceptions to this are strictly prohibited and unauthorized by TI unless user has obtained appropriate experimental and/or development
licenses from local regulatory authorities, which is the sole responsibility of the user, including its acceptable authorization.
U.S. Federal Communications Commission Compliance
For EVMs Annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant
Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications could void the user's authority to operate the equipment.
FCC Interference Statement for Class A EVM devices
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the interference at its own expense.
FCC Interference Statement for Class B EVM devices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Industry Canada Compliance (English)
For EVMs Annotated as IC – INDUSTRY CANADA Compliant:
This Class A or B digital apparatus complies with Canadian ICES-003.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
Concerning EVMs Including Radio Transmitters
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this
device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired
operation of the device.
Concerning EVMs Including Detachable Antennas
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum
permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain
greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Canada Industry Canada Compliance (French)
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada
Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de
l'utilisateur pour actionner l'équipement.
Concernant les EVMs avec appareils radio
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est
autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout
brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain
maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à
l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel
d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans
cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2014, Texas Instruments Incorporated
spacer
Important Notice for Users of EVMs Considered “Radio Frequency Products” in Japan
EVMs entering Japan are NOT certified by TI as conforming to Technical Regulations of Radio Law of Japan.
If user uses EVMs in Japan, user is required by Radio Law of Japan to follow the instructions below with respect to EVMs:
1.
2.
3.
Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,
Use EVMs only after user obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs, or
Use of EVMs only after user obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect
to EVMs. Also, do not transfer EVMs, unless user gives the same notice above to the transferee. Please note that if user does not
follow the instructions above, user will be subject to penalties of Radio Law of Japan.
http://www.tij.co.jp
【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 本開発キットは技術基準適合証明を受けておりません。 本製品の
ご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。
1.
2.
3.
電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
実験局の免許を取得後ご使用いただく。
技術基準適合証明を取得後ご使用いただく。。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
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東京都新宿区西新宿６丁目２４番１号
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Texas Instruments Japan Limited
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Applications
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www.ti.com/audio
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www.ti.com/computers
DLP® Products
www.dlp.com
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Logic
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Microcontrollers
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Video and Imaging
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RFID
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OMAP Applications Processors
www.ti.com/omap
TI E2E Community
e2e.ti.com
Wireless Connectivity
www.ti.com/wirelessconnectivity
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