参数资料
型号: AS3658F-BCTP
厂商: ams
文件页数: 65/158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 21. Charger Supervision functions – internal circuit
 
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Table 58. NTC Chargersupervision Characteristics, VVBAT=3.0…5.5V; Tamb=–20…+85°C; unless otherwise
specified.
Symbol
t sample
Parameter
Sample time for NTC
measurement high or
low temperature
Min
Typ
33
Max
Unit
ms
Note
Alternating measurement of the NTC
sensor for high temperature and low
temperature with two different
currents
Comparator threshold
V comp
for high and low
temperature
1.8
V
On pin ADC_IN1, if ntc_on<1:0>=1
measurement
I Hightemp45deg_1 current for 45 deg limit,
10k NTC
I Hightemp50deg_1 current for 50 deg limit,
10k NTC
I Hightemp45deg_1 current for 45 deg limit,
100k NTC
I Lowtemp50deg_10 current for 50 deg limit,
100k NTC
High temperature
0k
High temperature
0k
High temperature
I Hightemp0deg_10k current for 0 deg limit,
10k NTC
High temperature
00k
Low temperature
0k
-7%
-7%
388
4.64
457
3.94
60.5
29.7
39.2
4.59
46.8
38.5
+7%
+7%
μA
k Ω
μA
k Ω
μA
k Ω
μA
k Ω
μA
k Ω
ntc_type=0, ntc_high_temp=0,
@ 1.8V threshold
ntc_type=0, ntc_high_temp=1,
@ 1.8V threshold
ntc_type=0
@ 1.8V threshold
ntc_type=1, ntc_high_temp=0,
@ 1.8V threshold
ntc_type=1, ntc_high_temp=1,
@ 1.8V threshold
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