UBA2007 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
UBA2007 Datasheet PDF : 19 Pages
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Philips Semiconductors
Charge switch
Product specification
UBA2007
7 FUNCTIONAL DESCRIPTION
7.1 Control
The functionality of the UBA2007 is determined by the state of the three digital control signals and the status of the
protection circuits as shown in Table 1. The digital control signals CURMOD and SWMOD have an internal pull-down
resistor to define the state of the input pins when the controlling circuit is not operational.
Table 1 UBA2007 operation state as function of the digital control signals; note 1
CUR
MOD
X
X
X
L
H
L
H
L
L
H
H
H
L
L
L
SW
MOD
X
X
X
L
L
H
H
L
L
L
L
L
H
H
H
REV
MOD
X
HIGH
TEMP
yes
HIGH
BAT
X
CHGOK_N
X
VBAT
> 3.1 V
X
MODE
SHUTDOWN
X
X
yes
X
X SHUTDOWN
L
no
no
H
X OFF
L
no
no
X
X OFF
L
no
no
L
X SLOW CHARGE
L
no
no
L
X FAST CHARGE
L
no
no
L
H
no
no
X
X SLOW and FAST
CHARGE
yes REVERSE
H
no
no
X
no SHUTDOWN
H
no
no
L
H
no
no
H
H
no
no
H
H
no
no
L
H
no
no
H
H
no
no
H
X REVERSE and
SLOW CHARGE
yes REVERSE and
SLOW CHARGE
no REVERSE and
SLOW CHARGE
X REVERSE and
FAST CHARGE
yes REVERSE and
FAST CHARGE
no REVERSE and
FAST CHARGE
FUNCTION
switch high
ohmic
switch high
ohmic
switch high
ohmic
switch high
ohmic
current
source
switch low
ohmic
switch low
ohmic
switch low
ohmic
switch high
ohmic
current
source
switch low
ohmic
switch high
ohmic
switch low
ohmic
switch low
ohmic
switch high
ohmic
CURRENT
DIRECTION(2)
none
none
none
none
charger to
battery
charger to
battery
charger to
battery
battery to
charger
none
charger to
battery
battery to
charger
none
charger to
battery
battery to
charger
none
2003 Oct 01
6
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