参数资料
型号: AS3658-BCTP
厂商: ams
文件页数: 140/158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 - System Functions
10.8
Internal References (V, I, f clk )
The internal reference circuits needs the following external components:
Table 165. Reference External Components
Symbol
C EXT
R BIAS
Parameter
External filter capacitor
External bias current
set resistor
Min
-10%
-1%
Typ
100
220
Max
+10%
+1%
Unit
nF
k Ω
Note
Ceramic low-ESR capacitor
between CREF and VSS
Bias Current set resistor between
RBIAS and VSS
Table 166. References Parameters
Symbol
Parameter
Min
Typ
Max
Unit
Note
Low noise trimmed voltage
V CEXT
Reference Voltage
-1%
1.8
+1%
V
reference – connected to Pad
CREF; do not load
f CLK
Accuracy of Internal
reference clock
-10
f CLK
+10
%
Adjustable by serial interface
register clk_int
To reduce the current consumption of the chip, the circuit can be set into a special low power mode with the serial
interface bit ‘ low_power_on’ . All specification parameters except the noise parameters are still valid for this mode.
Table 167. Internal references Bit definitions
Internal references Bit definitions
Addr:59
These bits control the internal reference mode and internal clk
frequency
Bit
Bit Name
Default
Access
Description
0
Standard mode
0
low_power_on
0b
R/W
1
Low power mode – all specification except
noise parameters are still valid
Sets the internal CLK frequency f CLK used for fuel
gauge, DCDCs, PWM, charge pump.
All frequencies, timings and delays in this datasheet
are based on 2.2MHz clk_int
000b
001b
1.6 MHz
1.7 MHz
3:1
clk_int
110b
R/W
010b
1.8 MHz
011b
100b
101b
110b
111b
1.9 MHz
2.0 MHz
2.1 MHz
2.2 MHz (default)
2.3 MHz
10.8.1 Low Power Mode
Use bit low_power_on (reg. References Control (see Table 167)) to activate the Low Power Mode. In this mode the
on-chip voltage reference and the temperature supervision comparators are operating in pulsed mode. This reduces
the quiescent current of the AS3658 by 45uA (typ.). Because of the pulsed function some specifications are not fulfilled
in this mode (e.g. increased noise), but still the full functionality is available.
Note: Low power mode can be controlled by the serial interface.
www.austriamicrosystems.com
Revision 1v13
139 - 157
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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