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STBC02BJR Fiches technique(PDF) 24 Page - STMicroelectronics

No de pièce STBC02BJR
Description  Li-Ion linear battery charger with LDO, load switches and reset generator
PDF  39 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STBC02BJR Fiches technique(HTML) 24 Page - STMicroelectronics

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Functional pin description
STBC02
24/39
DocID029261 Rev 2
6.15
SW_SEL
SW_SEL, serial SWIRE input pin. It is internally pulled down with a 500 kΩ resistor. In idle
state the SW_SEL pin must be held to ground. See table below for details.
Table 9: SWIRE programming
SW_SEL
pulse
number
Function
Status
Note
Power-on
SW1_OA,
SW2_OA
ON
(default)
SW1_I is connected with SW1_OA and SW2_I is
connected with SW2_OA
SW1_OB,
SW2_OB
OFF
(default)
SW1_OB and SW2_OB are in high impedance (Hi-
Z)
1
SW1_OA
to OFF
2
to ON
3
SW1_OB
to OFF
4
to ON
5
SW2_OA
to OFF
6
to ON
7
SW2_OB
to OFF
8
to ON
9
BATMS
BATMS
OFF
Battery monitor switch (default value)
10
BATMS ON
It increases battery leakage due to external resistor
divider RDIV1, RDIV2
11
IEND
IEND OFF
It disables EOC (end-of-charge signal). Charger
continues working even if IEND is reached
12
IEND 5%
IFAST
(default)
IEND stops the charger phase (default)
13
IEND 2.5%
IFAST
IEND stops the charger phase
14
IBAT OCP
900 mA
Overcurrent protection (battery discharge). Default
value
15
450 mA
16
250 mA
17
100 mA
18
VFLOAT
adjustment
OFF
Default value
19
+50 mV
VFLOAT increases 50 mV (whatever the programmed
value is)
20
+100 mV
VFLOAT increases 100 mV (whatever the
programmed value is)
21
+150 mV
VFLOAT increases 150 mV (whatever the
programmed value is)
22
+200 mV
VFLOAT increases 200 mV (whatever the
programmed value is)



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