参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 49/158页
文件大小: 0K
描述: IC PMU POWER/AUDIO 124-CTBGA
标准包装: 2,500
应用: 便携式设备
电流 - 电源: 7mA
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 124-TFBGA
供应商设备封装: 124-CTBGA(8x8)
包装: 带卷 (TR)
AS3658
Data Sheet Confidential
- Detailed Description-Power Management Functions
Table 39. Step down Charger parameters
Symbol
C out_22
C out_Linear
L
Parameter
Output capacitor with 22μH
inductor
Output capacitor in linear
mode
Inductor
Min
40
20
Typ
10/22
Max
60
60
Unit
μF
μF
μH
Note
X7R ceramic
X7R ceramic
I trickle_limit
Trickle current limit
400
mA
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
0
sdc_frequ
0
R/W
0
1
fclk_int/4 (use as default, if Vcharger>6V)
fclk_int/8 (use as default, if Vcharger<6V)
0
Disable 100% PMOS on mode for step down charger
1
sdc_pon
1
R/W
1
Enable 100% PMOS on mode to reduce voltage drop
in low dropout regulation
0
Normal mode of step down charger mode
2
sdc_pass_mode
0
R/W
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.
8.8
USB Charger
Figure 18. USB Charger Block Diagram
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Revision 1v13
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