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| BQ2954_13 Datasheet, PDF (10/23 Pages) Texas Instruments – Lithium Ion Charge Management IC | |||
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bq2954
VCC
10K
LED2/DSEL 16
1K
LED1 15
1K
VCC 13
12
VSS
6
LCOM 11
bq2954
VSS
Low-Side Sense Mode
FGbq295402LS.eps
Figure 4. Configured Display Mode
(Low-Side Sense)
VCC
13
VCC
12
VSS
BAT 3
BAT +
RB1
RB2
SNS 7
bq2954
VSS
BAT -
RSNS
Low-Side Sense Mode
FGbq295403LS.eps
Figure 6. Configuring the Battery Divider
(Low-Side Sense)
VCC
10K
LED2/DSEL 16
1K
LED1 15
1K
VCC 13
12
VSS
10K
6
LCOM 11
bq2954
VSS
High-Side Sense Mode
FGbq295402HS.eps
Figure 5. Configured Display Mode
(High-Side Sense)
VCC
Switching
Circuit
RSNS
MOD
BAT 3
Current
Mirror
13
VCC
12
VSS
BAT +
RB1
RB2
SNS 7
bq2954
RB3
BAT -
VSS
High-Side Sense Mode
FGbq295403HS.eps
Figure 7. Configuring the Battery Divider
(High-Side Sense)
10
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