1
2
L1
MDT2012-CH2R2AN
1
2
3
4
5
6
7
8
9
10
11
J1
J2
J4
Green
1
2
D2
Red
1
2
D1
GND
GND
GND
GND
GND
GND
J28
J26
GND
J34
J32
J31
J29
J24
J22
GND
2.00
R9
2.00
R4
TP3
TP10
TP9
TP8
TP4
TP2
TP6
TP5
TP1
4
1
3
2
S1
GND
SW
LSCTRL
/MR
GND
/RESET
LS/LDO
BAT
ILIM
ISET
IN
SDA
SCL
INT
/PG
TS
SYS
VINLS
GND
GND
GND
GND_S-
GND
GND
J12
J15
4
1
2
3
J10
GND
PMID
SYS
BAT
VIN
5V USB
EV2400 I2C
J27
J30
J33
J3
GND_S-
LS/LDO
GND_S-
GND_S-
GND_S-
IN
A2
PMID
A3
PMID
B3
VINLS
C4
LSCTRL
E3
SDA
E4
VINLS
B4
PGND
A5
SYS
B5
RESET
D3
SCL
E5
CD
E2
SW
A4
GND
D5
PG
D4
IPRETERM
D1
ILIM
C2
LS/LDO
C5
BAT
B2
INT
D2
MR
E1
TS
C3
ISET
C1
BAT
B1
GND
A1
U1
BQ25120YFF
J7
VINLS
PMID
SYS
GND
SYS
PGND
PGND
GND
499
R7
499
R11
SYS
5 K
R12
J17
100k
R14
J8
499
R10
499
R13
50k
R8
1µF
C2
4.7µF
C1
10µF
C9
1µF
C6
1µF
C7
PMID
20k
R1
GND
14.3k
R3
14.0k
R2
GND
4.99k
R5
J5
4.7µF
C3
PMID
SYS_S+
VINLS
/CD
IPRETERM
BAT_S+
BAT
LS/LDO_S+
0
R15
IN_S+
0
R16
0
R17
0
R18
0
R19
0
R20
SYS
TP13
SY
S
S
Y
S
P
M
ID
1
2
3
J14
PEC03SAAN
1
2
3
J11
PEC03SAAN
1
2
3
J9
PEC03SAAN
1
2
3
J6
PEC03SAAN
1
2
3
J25
PEC03SAAN
TP7
TP14
TP11
/CD
0
R6
Input Voltage
Battery Voltage
3.4V - 5.5V
3.6V - 4.65V
1.1V - 3.3V
Output Voltage
Introduction
3
SLUUBC8A – August 2015 – Revised May 2016
Copyright © 2015–2016, Texas Instruments Incorporated
bq2512x Evaluation Module
1.3
Schematic
illustrates the EVM schematic.
Figure 1. bq2512xEVM Schematic (bq25120 Represented)