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AS3658F-BCTP датащи(PDF) 49 Page - ams AG

номер детали AS3658F-BCTP
подробное описание детали  Power and Audio Management Unit for Portable Devices
PDF  158 Pages
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производитель  AMSCO [ams AG]
домашняя страница  http://www.ams.com
Logo AMSCO - ams AG

AS3658F-BCTP датащи(HTML) 49 Page - ams AG

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Table 40. Step down Charger Bit definitions
Addr: 37
Step Down charger control
These bits configures the step down charger
Bit
Bit Name
Default Access
Description
www.austriamicrosystems.com
Revision 1v13
48 - 157
AS3658
Data Sheet Confidential - Detail ed Descri ption-Power Management Functions
8.8
USB Charger
Figure 18. USB Charger Block Diagram
Cout_22
Output capacitor with 22µH
inductor
40
60
µF
X7R ceramic
Cout_Linear
Output capacitor in linear
mode
20
60
µF
X7R ceramic
L
Inductor
10/22
µH
(see Table 38)
Itrickle_limit
Trickle current limit
400
mA
0
sdc_frequ
0
R/W
0
fclk_int/4 (use as default, if Vcharger>6V)
1
fclk_int/8 (use as default, if Vcharger<6V)
1
sdc_pon
1
R/W
0
Disable 100% PMOS on mode for step down charger
1
Enable 100% PMOS on mode to reduce voltage drop
in low dropout regulation
2
sdc_pass_mode
0
R/W
0
Normal mode of step down charger mode
1
step down charger in pass through mode. Use this
mode with max. 5.5V charger only.
Vsupply=Vcharger in that mode, if no_charging=1.
Table 39. Step down Charger parameters
Symbol
Parameter
Min
Typ
Max
Unit
Note










!
"#$"
%& ' () ' *
"
!
+,-
!
% ,+(&, *
.
/ 0 01#
$/
"#$ ! .
!2 /
3040!
4 '04" 0 "
+'#
2 $"

!2
!
1 0
"#$! 3 !3



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