bq24004
bq24005
bq24006
SLUS476B 鈥?DECEMBER 2000 鈥?REVISED MAY 2002
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Terminal Functions
TERMINAL
NAME
AGND
APG/THERM
CR
EN
GND/HEATSINK
IN
ISNS
N/C
OUT
STAT1
STAT2
TMR SEL
VCC
VSEL
VSENSE
NO.
16
7
12
8
10
2, 3
5
1, 6, 11,
15, 20
18, 19
14
15
13
4
9
17
O
O
O
I
I
I
I
I
I
I
I
I
I/O
DESCRIPTION
Ground pin; connect close to the negative battery terminal.
Adapter power good input/thermistor sense input
Internal regulator bypass capacitor
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.
Input voltage. This input provides the charging voltage for the battery.
Current sense input
No connect. These pins must be left floating. Pin 15 is N/C on bq24004PWP only.
Charge current output
Status display output 1
Status display output 2 (for bq24005 and bq24006 only)
Charge timer selection input
Supply voltage
8.2-V or 8.4-V charge regulation selection input
Battery voltage sense input
6