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Bill of Materials, Board Layout and Schematics

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4

Bill of Materials, Board Layout and Schematics

4.1

Bill of Materials

Table 4. Bill of Materials

bq24610-001

bq24617-002

Bq24630-003

bq24616-004

Value

RefDes

Description

Size

Part Number

Mfr

1

0

0

0

bq24610RGE

U1

Charger Controller IC

QFN-24 (RGE) bq24610RGE

TI

0

1

0

0

bq24617RGE

U1

Charger Controller IC

QFN-24 (RGE) bq24617RGE

TI

0

0

1

0

bq24630RGE

U1

Charger Controller IC

QFN-24 (RGE) bq24630RGE

TI

0

0

0

1

bq24616RGE

U1

Charger Controller IC

QFN-24 (RGE) bq24616RGE

TI

1

1

1

1

0.1uF

C3

Capacitor, Ceramic, 16V, X7R, 5%,

603

STD

STD

6

6

6

6

0.1uF

C7,C8,C13,C1

Capacitor, Ceramic, 16V, X7R, 10%

603

STD

STD

8,C19,C33

6

6

6

6

0.1uF

C4,C5,C16,C1

Capacitor, Ceramic, 50V, X7R, 10%

603

STD

STD

7,C24,C26

1

1

1

1

22p

C22

Capacitor, Ceramic, 50V, X7R, 10%

603

STD

STD

0

0

0

0

C9,C21,C30,C

Capacitor, Ceramic, 50V, X7R, 10%

603

STD

STD

31

3

3

3

3

1.0uF

C1,C6,C15

Capacitor, Ceramic, 16V, X7R, 20%

805

STD

STD

0

0

0

0

C34

Capacitor, Ceramic, 50V, X7R, 10%

805

STD

STD

2

2

2

2

1.0uF/50V

C12,C14

Capacitor, Ceramic, 50V, X5R, 20%

1206

STD

STD

1

1

1

1

2.2uF/50V

C2

Capacitor, Ceramic, 50V, X7R, 20%

1206

STD

STD

0

0

0

0

C32

Capacitor, Ceramic, 50V, X7R, 20%

1206

STD

STD

6

6

6

6

10uF/50V

C10,C11,C20,

Capacitor, Ceramic, 50V, Y5V,

1812

STD

STD

C23,C28,C29

-20/+80%

0

0

0

0

C25,C27

Capacitor, Ceramic, 50V, X5R, 20%

1812

STD

STD

0

0

0

0

D11

Diode, Zener, 7.5V, 350-mW

SOT-23

BZX84C7V5

Diodes

0

0

0

0

D10

Diode, Schottky, 200-mA, 30-V

SOT23

BAT54

Vishay-Liteon

0

0

0

0

D9

Diode, Zener, 7.5V, 350-mW

SOT-23

BZX84C7V5

Diodes

6

6

6

6

Green

D3,D4,D5,D6,

Diode, LED, Green, 2.1V, 20mA, 6mcd 603

LTST-

Lite On

D7,D8

C190GKT

0

0

0

0

D2

Diode, Schottky, 1A, 40V

DO-214AA

MBRS140

Fairchild

1

1

1

1

ZLLS350

D1

Diode, Schottky, 1.16A, 40-V

SOD-523

ZLLS350

Zetex

1

1

0

1

6.8uH

L1

Inductor, SMT, 9A, 19.8milliohm

0.520 sq inch

IHLP5050CEE

Vishay

R6R8M01

0

0

1

0

8.2uH

L1

Inductor, SMT, 9.5A, 18.3milliohm

0.520 sq inch

IHLP5050CEE

Vishay

R8R2M01

3

3

3

3

PEC02SAAN

JP2,JP4,JP5

Header, 2 pin, 100mil spacing,

0.100 inch x 2

PEC02SAAN

Sullins

8

bq2461x/bq2463x EVM (HPA422) Multi-Cell Synchronous Switch-Mode Charger

SLUU396A – January 2010 – Revised July 2010

Copyright © 2010, Texas Instruments Incorporated

Summary of Contents for BQ2461X

Page 1: ...s Board Layout and Schematics 8 4 1 Bill of Materials 8 5 Board Layout 11 6 Schematics 19 List of Figures 1 Original Test Setup for HPA422 bq2461x bq2463x EVM 5 2 Top Layer 11 3 2nd Layer 12 4 3rd Lay...

Page 2: ...n The bq2461x bq2463x automatically restarts the charge cycle if the battery voltage falls below an internal threshold and enters a low quiescent current sleep mode when the input voltage falls below...

Page 3: ...n LED has no power source when off VPULLUP setting Jumper On 1 2 VPULLUP and JP3 1 2 Connect VPULLUP to VREF VREF 2 3 Connect VPULLUP to VEXT JP4 The pull up voltage source of ACDRV and BATDRV LED log...

Page 4: ...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 measure...

Page 5: ...series with a current meter multimeter to J1 VIN GND 3 Connect a voltage meter across J1 VIN GND 4 Set the power supply 2 for 0V 100mVDC 1 0 0 1A current limit and then turn off supply 5 Connect the...

Page 6: ...urn on the Load 2 Set the output voltage to 12V bq2461x or 2V bq2463x 3 Connect the output of the Load 1 in series with a current meter multimeter to J5 SYS GND Make sure a voltage meter is connected...

Page 7: ...RV off D6 BATDRV on D5 PG off D7 STAT1 off D8 STAT2 off 8 Turn off power supply 2 and 3 Set JP3 on 1 2 VPULLUP and VREF 3 PCB Layout Guideline 1 It is critical that the exposed power pad on the backsi...

Page 8: ...805 STD STD 2 2 2 2 1 0uF 50V C12 C14 Capacitor Ceramic 50V X5R 20 1206 STD STD 1 1 1 1 2 2uF 50V C2 Capacitor Ceramic 50V X7R 20 1206 STD STD 0 0 0 0 C32 Capacitor Ceramic 50V X7R 20 1206 STD STD 6 6...

Page 9: ...Std 2 2 2 2 10k R29 R30 Resistor Chip 1 16W 1 603 Std Std 6 6 6 6 100k R3 Resistor Chip 1 16W 1 603 Std Std R20 R32 R33 R37 R38 1 1 1 1 10k R16 Resistor Chip 1 10W 1 805 Std Std 1 1 1 1 100k R15 Resi...

Page 10: ...2N7002DICT Q6 Q8 Q9 MOSFET N ch 60V 115mA SOT23 2N7002DICT Vishay Liteon 1 2Ohms 3 3 3 3 SI4401BDY Q1 Q2 Q5 MOSFET PChan 40V 18A S0 8 SI4401BDY Vishay T1 GE Note 5 9 2millohm FDS4141 Siliconxi FDS414...

Page 11: ...om Board Layout 5 Board Layout Figure 2 Top Layer 11 SLUU396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Copyright 2010 Texas Instruments Inco...

Page 12: ...oard Layout www ti com Figure 3 2nd Layer 12 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUU396A January 2010 Revised July 2010 Copyright 2010 Texas Instruments Incorporated...

Page 13: ...ww ti com Board Layout Figure 4 3rd Layer 13 SLUU396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Copyright 2010 Texas Instruments Incorporated...

Page 14: ...ard Layout www ti com Figure 5 Bottom Layer 14 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUU396A January 2010 Revised July 2010 Copyright 2010 Texas Instruments Incorporat...

Page 15: ...w ti com Board Layout Figure 6 Top Assembly 15 SLUU396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Copyright 2010 Texas Instruments Incorporat...

Page 16: ...d Layout www ti com Figure 7 Bottom Assembly 16 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUU396A January 2010 Revised July 2010 Copyright 2010 Texas Instruments Incorpora...

Page 17: ...ti com Board Layout Figure 8 Top Silkscreen 17 SLUU396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Copyright 2010 Texas Instruments Incorpora...

Page 18: ...Layout www ti com Figure 9 Bottom Silkscreen 18 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger SLUU396A January 2010 Revised July 2010 Copyright 2010 Texas Instruments Incorpor...

Page 19: ...tics 6 Schematics Figure 10 bq2461x bq2463x EVM Schematic 19 SLUU396A January 2010 Revised July 2010 bq2461x bq2463x EVM HPA422 Multi Cell Synchronous Switch Mode Charger Copyright 2010 Texas Instrume...

Page 20: ...oduct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engine...

Page 21: ...h statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury...

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