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Figure 8-7. A Fast Turn-Off Case with a 100-Ω Series Gate Resistor
8.2.7 Usage of Unused Pins
Some device pins may not be needed in a particular application.
which each pin is terminated in this case.
PIN
NAME
Cell inputs 1 and 7 must always be connected to actual cells, with cells connected between VC1 and VC0, and
1–5, 18–
between VC7 and VC6. VC0 must be connected through a resistor and capacitor on the PCB to pin 11 (VSS).
VC0–VC7
20
Pins related to unused cells (which may be cell 2 to cell 6, pins 1–3, 20) must be shorted directly to an adjacent
VC pin. All VC pins must be connected to either an adjacent VC pin or an actual cell (through R and C).
6, 7
SRP, SRN
If not used, connect these pins to pin 11 (VSS).
8
TS
If not used, connect this pin to pin 11 (VSS).
9, 10
DSG, CHG
If not used, leave these pins floating.
12, 13
SCL, SDA
If not used, connect these pins to pin 11 (VSS).
ALERT,
14, 15
If not used, leave these pins floating.
REGOUT
16
REGSRC
If neither the REGOUT regulator nor the CHG and DSG drivers are used, connect this pin to pin 17 (BAT).
Copyright © 2023 Texas Instruments Incorporated
Table 8-3. Terminating Unused Pins
RECOMMENDATION
Product Folder Links:
BQ77307
Terminating Unused Pins
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BQ77307
SLUSF60 – DECEMBER 2023
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