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BQ76925 Datasheet(PDF) 11 Page - Texas Instruments

Part # BQ76925
Description  Host-Controlled Analog Front
Download  43 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ76925 Datasheet(HTML) 11 Page - Texas Instruments

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bq76925
+
-
+
-
+
-
+
-
+
-
+
-
BAT
VC6
VC5
VC4
VC3
VC2
VC1
VC0
SENSEN
SENSEP
VCTL
V3P3
SCL
SDA
VREF
VTB
VCOUT
VIOUT
ALERT
PACK+
PACK-
RSENSE
RNTC
RTH
VSS
µController
Example:
MSP430x20x2
or
equivalent
FET Driver Circuits
DVCC
SCL
SDA
VeREF+
A2
A1
A0
NMI
AVCC
DVSS
AVSS
VeREF-
P1.5
COMM
Note: Some components
omitted for clarity.
Example only. Not required.
bq76925
www.ti.com
SLUSAM9C – JULY 2011 – REVISED OCTOBER 2015
8 Detailed Description
8.1 Overview
The bq76925 Host-controlled analog front end (AFE) is part of a complete pack monitoring, balancing, and
protection system for 3-series to 6-series cell Lithium batteries. The bq76925 allows a Host controller to easily
monitor individual cell voltages, pack current, and temperature. The Host may use this information to detect and
act on a fault condition caused when one or more of these parameters exceed the limits of the application. In
addition, the Host may use this information to determine end-of-charge, end-of-discharge, and other gas-gauging
and state of health conditions.
Figure 8. Example of bq76925 With Host Controller
Copyright © 2011–2015, Texas Instruments Incorporated
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