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AS3611 датащи(PDF) 16 Page - ams AG

номер детали AS3611
подробное описание детали  Swi tching Charger for Li -Ion/LiPo/LiFePO4 powered devices
PDF  26 Pages
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производитель  AMSCO [ams AG]
домашняя страница  http://www.ams.com
Logo AMSCO - ams AG

AS3611 датащи(HTML) 16 Page - ams AG

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www.austriamicrosystems.com/Battery-Chargers/AS3610
1.01
15 - 25
AS3610/11
Datasheet - D e t a i l e d D e s c r i p t i o n
8.5
Register Description
Charger Control Register (Address 0).
Addr: 0
Charger Control
This register controls the mode of the charger and the charger state machine.
Bit
Bit Name
Default
Access
Bit Description
0
Chg_en
1b/ROM
R/W
ON/OFF control of USB charger input
0
1
Charger disabled
Charger enabled, if XEN=0
1
Boost_en
0b/ROM
R/W
ON/OFF control of Step up for USB OTG
Normal operation (usb current=0..6):
0
1
Step up disabled
Step up enabled
AS3611 standalone charger operation only w/o I²C (usb current=7)
0
1
Step up disabled
Step up enabled, if OTG_BOOST=1,
Step up disabled, if OTG_BOOST=0
4:2
usb_current
000b/ROM
R/W
USB input current limit, AS3610 I²C version only
000b
100mA, if pin USB500=0
500mA, if pin USB500=1
001b
010b
011b
100b
101b
110b
100mA
500mA limit
900mA limit
unlimited
NA
unlimited
111b
AS3611 stand alone charger only w/o I²C
CHG_DET=1 and USB500=0
→ 100mA limit
CHG_DET=1 and USB500=1
→ 500mA limit
CHG_DET=0 and USB500=1
→ unlimited current
5
prechg_en
1b/ROM
R/W
0
Pre-charge (trickle charge) disabled. Charger starts with
constant current, if VBAT>2.0V (current set by resistor I_SET)
1
Pre-charge (trickle charge) enabled. Charger starts with
trickle current, if 2.9V>VBAT>2.0V (Current set by resistor
I_term)
6
disable_toff
1b/ROM
R/W
0
Off time of step down charger enabled. If 100% pmos on
mode is needed, off pulses are skipped
1
Off time of step down charger disabled. Smooth transition
to 100% pmos on if needed (VBUS-VBAT is small)
7
No_bat_det
1b/ROM
R/W
0
Nobat detection disabled.
1
Nobat detection enabled. If No Battery is detected a small
current through NTC (approx. 0.5 A), checks if a battery
is connected again. A NTC is necessary for that setting.



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