BQ3050 Datasheet, PDF (5/28 Pages) Texas Instruments – 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager

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PIN NAME
NC
SMBC
DISP
NC
LED5
LED4
LED3
LED2
LED1
RBI
REG25
VSS
VSS
REG33
TEST
FUSE
PCHGIN
VCC
GPOD
PACK
DSG
PIN NUMBER
bq3050-DBT
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
bq3050
TYPE ⁽¹⁾
SLUSA92A – JANUARY 2011 – REVISED JUNE 2011
PIN FUNCTIONS (continued)
DESCRIPTION
—
I/OD
I
—
O
O
O
O
O
P
P
P
P
P
—
O
I
P
I/OD
P
O
Not internally connected, connect to VSS
SMBus v1.1 clock line
Display active input
Not internally connected, connect to VSS
LED display constant current sink
LED display constant current sink
LED display constant current sink
LED display constant current sink
LED display constant current sink
RAM backup
2.5-V regulator output
Device ground
Device ground
3.3-V regulator output
Test pin, connect to VSS through 10-kΩ resistor
Fuse drive
Internal Pre-Charge FET input
Power supply voltage
High voltage general purpose I/O
Alternate power source
Discharge N-FET gate drive
Copyright © 2011, Texas Instruments Incorporated
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