参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 44/158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 35. Battery switch parameters
Symbol
Parameter
Min
Typ
Max
Unit
Note
V Diode
Ideal Diode start
voltage
Vsupply level for
50
3.9
mV
V supply_min
charging current
regulation (reduction),
to avoid voltage drop
-6%
3.6
4.2
3%
V
Trickle current (or constant current in
linear mode) will be regulated down,
if vsupply drops below this level
on vsupply
4.5
R SW
S INT P-Switch ON
resistance
0.10
Ω
VSUP_SW=3.6V
Table 36. USB-Charger Bit definitions
USB Charger Control
Addr: 10
This register controls the mode of the USB charger, and the charger state
machine
Bit
Bit Name
Default Access
Description
Over temperature protection of battery switch
5
dis_batsw_tmp_prot
ROM
R/W
0
enabled. (If battery switch is in current source mode,
charging is stopped if chip temperature exceeds
110o)
1
0
Over temperature protection of battery switch
disabled
External battery switch disabled (Pin BAT_SW =
max(VSUPPLY,V BAT ))
7
ext_batsw_en
ROM
R/W
External battery switch enabled (Pin BAT_SW=0V, if
1
status bits batsw_on=1 and batsw_mode=1. These
bits are controlled by the charger state machine)
Table 37. Battery switch status Bit definitions
Addr: 100
Charger status_usb
These bits show the status of the battery switch
Bit
Bit Name
Default Access
Description
Trickle charging (or constant current charging in
0
linear mode), if batsw_on=1. External PMOS switch
2
batsw_mode
NA
R
disabled
1
Switch on Battery switch, if batsw_on=1. External
PMOS switch enabled
3
batsw_on
NA
R
0
1
Battery switch off
Battery switch on (Mode defined by batsw_mode)
www.austriamicrosystems.com
Revision 1v13
43 - 157
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