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BQ3050DBTR Datasheet(PDF) 3 Page - Texas Instruments

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Part # BQ3050DBTR
Description  2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager
Download  28 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ3050DBTR Datasheet(HTML) 3 Page - Texas Instruments

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BAT
3 M
10 k
5.1 k
3 M
VC3
VC2
VC1
5 m
VSS
SRN
SRP
PACK +
PACK-
PRES
SMBC
SMBD
SMBD
SMBC
PRES
TEST
100
1 k
VB
VL
VM
OUT
VDD
GND
0.1 F
0.1 F
0.1 F
CD
100
100
200
100
200
REG33
REG25
0.1 nF
1 F
1 F
0.1 F
0.1 F
1 k
1 k
1 k
1 k
0.1 F
0.1 F
0.1 F
0.1 F
0.22 F
0.1 F
220 k
0.1 F
0.1 F
0.1 F
1 F
100
100
100
20 k
High Side
N-CH FET Drive
GPOD
1 k
System Control
Cell Voltage Mux/
Translation
Cell Balancing
Voltage
Measurement
Coulomb
Counting
2.5V LDO
3.3V LDO
SMBus 1.1
FUSE Control
CEDV Gauging
SHA-1
Authentication
Charging
Algorithms
Temperature
Measurement
Overtemperature
Protection
Overvoltage/
Undervoltage
Protection
Overcurrent
Protection
H/W Overcurrent/
Shortcircuit
Protection
Watchdog
AFE H/W Control
RBI
0.1 F
300
DISP
DISP
0.1 nF
VLED
10 k
LED
Drive
Internal PCHG
FET
2
nd
Level
Protector
VH
100
100
5.6 V
20 k
10 k
VC4
bq3050
www.ti.com
SLUSA92A
– JANUARY 2011 – REVISED JUNE 2011
TYPICAL IMPLEMENTATION
Figure 1. bq3050 Implementation
Copyright
© 2011, Texas Instruments Incorporated
3


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