参数资料
型号: AS3658D-BCTP
厂商: ams
文件页数: 56/158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 45. Charger Characteristics VVBAT=3.0…5.5V; Tamb=–20…+85°C; unless otherwise specified
Symbol
Parameter
Min
Typ
Min
Unit
Note
Maximum load current
I STARTmax
during startup on
5
mA
Vsupply
V UVLO
V CHOFF
V CHRES
Undervoltage lockout
threshold
Charge termination
threshold
Charger resume
voltage
–3%
–0.06
2.7…
3.4
3.90…
4.25
3.85…
4.20
+3%
+0.06
V
V
V
Value is set by ResVoltRise in the Battery
Voltage Monitor register
Li+ battery; value is set by ChVoltEOC in
the Charger Config register
Value is set by ChVoltResume in the
Charger Config register. Do not set
V CHRES higher than V CHOFF !
V curr_preset
Charger constant
current pre-set voltage
V RESRI
SE
+
V
100mV
V EOC
Charger EOC voltage
3.60
V
If isolate_bat=0; to prevent a system reset
if the battery is removed in EOC operation
Table 46. Charger status Bit definitions
Addr:99
Charger status
These bits show the status of the charger
Bit
0
1
2
3
4
Bit Name
ChDet
ChAct
Resume
Trickle
CVM
Default
NA
NA
NA
NA
NA
Access
R
R
R
R
R
Description
Bit is set when external charge adapter has been
detected on pin VCHARGER
Bit is set when step down charger is operating
(independent of Reg. bit no_charging)
Bit is set when battery voltage has dropped below resume
level
Bit is set when charger is in trickle charge mode
Bit is set when charger is in top-off charge mode
(constant voltage mode)
Bit is set when charging has been terminated. Bit is
5
EOC
NA
R
cleared automatically when ChEn is cleared, no_charging
is set or charging is resumed.
Bit is set when battery detection circuit indicates that no
battery is connected to the system. Detection is started
6
NoBat
NA
R
after EOC and if bit autoresume=1 only. Bit is cleared
automatically when a battery is connected, when DisBDet
is set and/or when ChEn is cleared.
Bit is set, if Linear charger is detected, and chDet=1. This
7
ChLinear
NA
R
state is latched on the rising edge of chDet. Detected if
VOFF_B is connected to ground
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