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BQ77216EVM Circuit Module Physical Construction
Input
71V 1A max
TP1
J1
BAT+
1
1
16P
2
2
15P
3
3
14P
4
4
13P
16P
R2
5
5
12P
1.0k
6
C2
6
11P
15P
R3
0.1uF
1.0k
C3
14P
R4
0.1uF
1.0k
C4
13P
R5
0.1uF
1.0k
C5
12P
R6
0.1uF
1.0k
C6
11P
R7
J2
0.1uF
1.0k
1
C7
1
10P
10P
R8
0.1uF
2
2
1.0k
9P
C8
9P
R9
3
0.1uF
3
8P
1.0k
4
C9
4
7P
8P
R10
0.1uF
5
5
6P
1.0k
C10
7P
R11
0.1uF
1.0k
C11
6P
R12
J3
0.1uF
1.0k
1
C12
1
5P
5P
R14
0.1uF
2
2
1.0k
4P
C13
4P
R15
3
0.1uF
3
3P
1.0k
4
C14
4
2P
3P
R17
0.1uF
5
5
1.0k
1P
C15
2P
R20
6
6
0.1uF
1N
1.0k
C16
1P
R21
0.1uF
TP6
1.0k
C17
0.1uF
BAT-
VSS
NT1
TP7
TP8
TP9
TP10
Net-Tie
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
14
BQ77216 Evaluation Module
R1
300
TP2
VDD
VDD
C1
0.1uF
VSS
TP3
U1
TS
2
23
DOUT
VDD
DOUT
COUT
22
COUT
VC16
3
V16
24
TS
TS
VC15
4
V15
VC14
RT1
5
V14
VC13
6
V13
VC12
7
V12
VSS
VC11
8
V11
VC10
9
V10
VC9
10
V9
VC8
11
V8
VC7
12
V7
VC6
13
V6
VC5
14
V5
VC4
17
V4
VC3
18
1
V3
NC
15
NC
VC2
19
16
V2
NC
VC1
20
21
V1
VSS
BQ7721602PWR
VSS
Figure 4-7. Schematic Diagram
Copyright © 2020 Texas Instruments Incorporated
TP4
TP5
COUT
DOUT
R13
100
R16
100
R18
R19
100
100
Q1
1
Q2
1
R22
R23
D1
D2
1.0M
1.0M
13V
13V
VSS
SLUUC95A – AUGUST 2020 – REVISED NOVEMBER 2020
www.ti.com
DO
J4
CO
DO
CO
DFETD
DFETD
CFETD
CFETD
GND
VSS
R24
R25
1.0M
1.0M
VSS
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