BQ24004_12 Datasheet, PDF (5/27 Pages) Texas Instruments – TWO-CELL Li-ION CHARGE MANAGEMENT IC

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N/C
IN
IN
VCC
ISNS
N/C
APG/THERM
EN
VSEL
GND/HEATSINK
bq24004
PWP PACKAGE
(TOP VIEW)
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
PIN ASSIGNMENTS
bq24004
bq24005
bq24006
SLUS476F – DECEMBER 2000 – REVISED MAY 2012
N/C
OUT
OUT
VSENSE
AGND
N/C
STAT1
TMR SEL
CR
N/C
N/C
IN
IN
VCC
ISNS
N/C
APG/THERM
EN
VSEL
GND/HEATSINK
bq24005, bq24006
PWP PACKAGE
(TOP VIEW)
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
N/C
OUT
OUT
VSENSE
AGND
STAT2
STAT1
TMR SEL
CR
N/C
N/C - Do not connect
TERMINAL
NAME
NO.
AGND
16
APG/THERM
7
CR
12
EN
8
GND/HEATSIN
K
IN
ISNS
N/C
OUT
STAT1
STAT2
TMR SEL
VCC
VSEL
VSENSE
10
2, 3
5
1, 6, 11,
15, 20
18, 19
14
15
13
4
9
17
TERMINAL FUNCTIONS
I/O DESCRIPTION
Ground pin; connect close to the negative battery terminal.
I Adapter power good input/thermistor sense input
I Internal regulator bypass capacitor
I Charge-enable input. Active-high enable input with internal pull down. Low-current stand-by mode
active when EN is low.
Ground pin; connect to PowerPAD heat-sink layout pattern.
I Input voltage. This input provides the charging voltage for the battery.
I Current sense input
No connect. These pins must be left floating. Pin 15 is N/C on bq24004PWP only.
O Charge current output
O Status display output 1
O Status display output 2 (for bq24005 and bq24006 only)
I Charge timer selection input
I Supply voltage
I 8.2-V or 8.4-V charge regulation selection input
I Battery voltage sense input
Copyright © 2000–2012, Texas Instruments Incorporated
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Product Folder Link(s): bq24004 bq24005 bq24006