参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 75/158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 64. Step Down DC/DC Bit definitions
Addr:37
Step Down charger control
These bits configures the step down converters
Bit
Bit Name
Default Access
Description
3
-
0
n/a
Step down curmin feature control
curmin feature enabled: Inductor current regulated
4
sd1_dis_curmin
0
R/W
0
to min 170mA. Higher efficiency in low dropout
and low output current operation. Higher output
ripple and noise.
curmin feature disabled: Decreased efficiency in
1
low dropout mode and at low output current. Small
output ripple and noise.
Step down curmin feature control
curmin feature enabled: Inductor current regulated
5
sd2_dis_curmin
0
R/W
0
to min 170mA. Higher efficiency in low dropout
and low output current operation. Higher output
ripple and noise.
curmin feature disabled: Decreased efficiency in
1
low dropout mode and at low output current. Small
output ripple and noise.
Step down curmin feature control
curmin feature enabled: Inductor current regulated
6
sd3_dis_curmin
0
R/W
0
to min 170mA. Higher efficiency in low dropout
and low output current operation. Higher output
ripple and noise.
curmin feature disabled: Decreased efficiency in
1
low dropout mode and at low output current. Small
output ripple and noise.
Table 65. Step Down DC/DC Reg Power1 ctrl Bit definitions
Addr:23
Reg Power1 Ctrl
These bits control the on/off function of the step down regulator
Bit
Bit Name
Default Access
Description
Switch on/off the step down1 dc/dc converter; it is possible
to on/off control DCDC SD1 by CURR3_GPIO3 or
4
sd1_on
ROM
R/W
0
1
Step Down DC/DC 1 off
Step Down DC/DC 1 on
Switch on/off the step down2 dc/dc converter; it is possible
to on/off control DCDC SD2 by CURR3_GPIO3 or
5
sd2_on
ROM
R/W
0
1
Step Down DC/DC 2 off
Step Down DC/DC 2 on
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