参数资料
型号: AS3658-BCTP
厂商: ams
文件页数: 52/158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 44. USB-Charger additional trimming
Addr:130
USB Current control
This register adds or subtracts current limit
Bit
Bit Name
Default Access
Description
Increase or decrease The USB current limit for additional in
system trimming:
100
101
110
usbcurrent-5.1%
usbcurrent-3.8%
usbcurrent-2.5%
2:0
usb_add_trim_current
00h
R/W
111
usbcurrent-1.2%
000
001
010
011
usbcurrent+0%
usbcurrent+1.2%
usbcurrent+2.5%
usbcurrent+3.8%
8.9
Battery Charge Controller
The AS3658 device serves as a standalone battery charge controller supporting rechargeable lithium ion (Li+) and
nickel metal hybrid (NiMH) batteries. Requiring only a few external components, a full-featured battery charger with a
high degree of flexibility can easily be realized. The main features of the controller are:
Charge adapter detection
Charging of deeply discharged batteries
Low current (trickle) charging
Real constant current charging by regulation of the battery current instead of the charge current
2 different top-off charging modes: Pulse charging and constant voltage charging
Fuel gauge enables highly accurate remaining capacity estimation of the battery
Overvoltage protection for charge adapter input and main battery
Battery presence indication
Operation without battery
Reverse polarity and short protection
Charging timout timer
Battery NTC supervision
8.9.1 Charge Controller Operating Modes and Building Blocks
Linear Step down Charger detection
The charging circuit automatically detects, if a step down charger or a linear charger is connected externally, by
measuring the voltage on the pin VOFF_B. If this pin is tied to GND, the circuit detects a linear charger. Otherwise the
step down charger is detected
Charge adapter detection
The charge controller uses an integrated detection circuit to determine if an external charge adapter has been applied
to the VCHARGER or V_USB pin. If the adapter voltage exceeds the supply voltage at pin V_SUPPLY5 by V CHDET the
ChDet or USB_CHDet bit in the Charger Status register will be set. The detection circuit will reset the charge controller
(ChDet or USB_CHDet is cleared) as soon as the voltage at the VCHARGER or USB_CHDet pin drops to only V CHMIN
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相关代理商/技术参数
参数描述
AS3658C 功能描述:Portable Equipment PMIC 124-CTBGA (8x8) 制造商:ams 系列:- 包装:带卷(TR) 零件状态:有效 应用:便携式设备 电流 - 电源:7mA 电压 - 电源: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 供应商器件封装:124-CTBGA(8x8) 标准包装:2,500
AS3658C-BCTP 功能描述:IC PMU POWER/AUDIO 124-CTBGA RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 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:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
AS3658D 功能描述:Portable Equipment PMIC 124-CTBGA (8x8) 制造商:ams 系列:- 包装:带卷(TR) 零件状态:有效 应用:便携式设备 电流 - 电源:7mA 电压 - 电源: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 供应商器件封装:124-CTBGA(8x8) 标准包装:2,500
AS3658-DB 制造商:ams 功能描述:Demo Board + USB Box + I2S audio board
AS3658D-BCTP 功能描述:IC PMU POWER/AUDIO 124-CTBGA RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 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:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP(4x4) 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR