参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 55/158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
Figure 20. Typical charging cycle (External linear charger or USB charger)
V CHARGER = 6V
V SUPPLY = 4.4V..5.0V
V SUPPLY = 4.4V...5.0V (isolate_bat=1)
V SUPPLY = 4.2V (isolate_bat=0)
V BAT = 4.2V
V BAT = 2V
V BAT = Vres_rise (e.g: 3.4V)
I BAT = ConstantCurrent (e.g 700mA)
Constantvoltage
I BAT = 0mA
I BAT = TrickleCurrent (e.g 200mA)
EOC
CH_DET = 1
CH_DET = 0
I2C Write
NO_CHARGING = 1
NO_CHARGING = 0
Table 45. Charger Characteristics VVBAT=3.0…5.5V; Tamb=–20…+85°C; unless otherwise specified
Symbol
V chlimit
Parameter
Voltage limit of charger
(if not in current
limitation mode)
Min
-3%
Typ
ch_volt
age
Min
3%
Unit
V
Note
Max. Vsupply voltage
For input voltage higher than 15V see
above protection circuit; for chargers with
V CHARGER VCHARGER operating
range
5.0
15.0
V
input voltages down to 4.5V see:
‘Application Note for DC/DC Step down
Charger for
Chargers Supplying 4.5V to 5.5V’
V CHDET
V CHMIN
Charge adapter
detection threshold
50
0
75
20
105
35
mV
mV
Hysteresis is > 40mV; for USB and step
down charger
Vchdet falling threshold, if
VSUPPLY>4.35V for V_USB and
V CHMIN_hold
Charge adapter
detection hold voltage
-5
-20
-40
mV
VCHARGER, and for V_USB, if
usb_hold_chdet=1. Warning:
Backcharging is possible if
usb_hold_chdet=1
V chin,max
rise
V chin,max fall
Charger adapter
overvoltage threshold
rising
Charger adapter
overvoltage threshold
falling
6.0
6.5
6.0
7.0
V
V
ChOVDetEn=’1’ for external linear
charger only
ChOVDetEn=’1’ for external linear
charger only
www.austriamicrosystems.com
Revision 1v13
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