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1
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C
C
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A
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3/5/2014
PWR520B.SchDoc
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Mod. Date:
File:
Sheet:
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bq51221EVM-520
Project Title:
Designed for:
Public Release
Assembly Variant:
001
© Tex as Instruments
2014
Drawn By:
Engineer:
T. Allag
T. Allag
Te xas Instruments and/or its licensors do not warrant the accuracy or completeness of this specification or any information contained therein. Te xas Instruments and/or its licensors do not
warrant that this design will meet the specifications, will be suitable for your application or fit for any particular purpose, or will operate in an implementation. Te xas Instruments and/or its
licensors do not warrant that the design is production worthy. You should completely validate and test your design implementation to confirm the system functionality for your application.
Not in version control
SVN Rev:
PWR520
Number:
Rev:
B
GND
2700pF
C4
0.056uF
C2
0.1uF
C1
BOOT1
RECT
BOOT2
BOOT2
OUT
BOOT1
CLMP1
AD
FOD
VTSB/VIREG
CLMP2
COMM1
AD_EN
LPRB1
COMM2
VO_REG
CM_ILIM
TS
CLMP1
0.47µF
C9
0.47µF
C12
CLMP2
COMM2
COMM1
GND
GND
VO_REG
1
2
J5
DNP
GND
0.1µF
C19
GND
TS
GND
VTSB/VIREG
TP1
DNP
TP2
DNP
2.00k
R13
GND
1.50k
R7
DNP
RECT
LPRB1
GND
GND
0.1µF
C18
150
R2
FOD
TP5
1
2
3
JP1
110
R4
TP4
ADJ
TS
GND
ILIM
FIX
RECT
56.2k
R1
1
2
J3
1
2
J4
1
2
3
JP2
GND
CM_ILIM
High
Low
CM_ILIM
GND
GND
0.1µF
C16
TP3
GND
GND
0.1µF
C6
OUT
GND
GND
AD_EN
Rect
1µF
C17
GND
GND
GND
Out
ILIM
FOD
AC1
AC2
Orange
D2
DNP
Green
D1
DNP
1
2
3
4
5
6
7
8
9
10
11
J1
1
2
3
4
5
6
7
8
9
10
J2
GND
A
2
A1
B2
C2
C
1
B
1
Q1
CSD75301W1015
500 Ohm
R6
5k ohm
R5
DNP
OUT
AD
GND
20k
R15
DNP
10.0k
R11
1.50k
R16
DNP
0.082uF
C3
100pF
C5
10µF
C14
10µF
C15
1µF
C20
0
R3
OUT
0.015µF
C10
0.015µF
C11
0.082µF
C8
0.082µF
C13
3.3µF
C7
1.50k
R20
Green
D3
GND
102k
R17
102k
R14
11.3k
R18
11.3k
R10
102k
R19
27k
R21
DNP
100pF
C22
DNP
GND
PGND
A1
PGND
A2
PGND
A3
PGND
A4
PGND
A5
PGND
A6
AC1
B1
AC1
B2
AC1
B3
AC2
B4
AC2
B5
AC2
B6
BOOT1
C1
RECT
C2
RECT
C3
RECT
C4
RECT
C5
BOOT2
C6
OUT
D1
OUT
D2
OUT
D3
OUT
D4
OUT
D5
OUT
D6
CLAMP1
E1
AD
E2
AD_EN
E3
EN1/SCL
E4
VIREG
E5
CLAMP2
E6
COMM1
F1
FOD
F2
LPRBEN and TERM
F3
EN2/SDA
F4
LPRB1 and WPG
F5
COMM2
F6
VO_REG
G1
ILIM
G2
CM_ILIM
G3
TS
G4
TMEM
G5
LPRB2 and PD_DET
G6
U1
bq51221
2.2µF
C21
200
R9
200
R8
5.6Meg
R12
Equipment and EVM Setup
5
Equipment and EVM Setup
5.1
Schematic
illustrates the bq51221EVM-520 schematic.
Figure 1. bq51221EVM-520 Schematic
5
SLUUAX6B – February 2014 – Revised June 2014
Dual Mode (WPC and PMA) Integrated Wireless Receiver Power Supply
Copyright © 2014, Texas Instruments Incorporated