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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS3658 датащи(PDF) 65 Page - ams AG |
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AS3658 датащи(HTML) 65 Page - ams AG |
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65 / 158 page  www.austriamicrosystems.com Revision 1v13 64 - 157 AS3658 Data Sheet Confidential - Detail ed Descri ption-Power Management Functions Figure 21. Charger Supervision functions – internal circuit Table 58. NTC Chargersupervision Characteristics, VVBAT=3.0…5.5V; Tamb=–20…+85°C; unless otherwise specified. Symbol Parameter Min Typ Max Unit Note tsample Sample time for NTC measurement high or low temperature 33 ms Alternating measurement of the NTC sensor for high temperature and low temperature with two different currents Vcomp Comparator threshold for high and low temperature measurement 1.8 V On pin ADC_IN1, if ntc_on<1:0>=1 IHightemp45deg_1 0k High temperature current for 45 deg limit, 10k NTC -7% 388 +7% µA ntc_type=0, ntc_high_temp=0, @ 1.8V threshold 4.64 k Ω IHightemp50deg_1 0k High temperature current for 50 deg limit, 10k NTC -7% 457 +7% µA ntc_type=0, ntc_high_temp=1, @ 1.8V threshold 3.94 k Ω IHightemp0deg_10k High temperature current for 0 deg limit, 10k NTC 60.5 µA ntc_type=0 @ 1.8V threshold 29.7 k Ω IHightemp45deg_1 00k High temperature current for 45 deg limit, 100k NTC 39.2 µA ntc_type=1, ntc_high_temp=0, @ 1.8V threshold 4.59 k Ω ILowtemp50deg_10 0k Low temperature current for 50 deg limit, 100k NTC 46.8 µA ntc_type=1, ntc_high_temp=1, @ 1.8V threshold 38.5 k Ω ! " # $ %& $ # ' ' ( ) *" ( $ +$*" , !" ( *" $ + - - $ + ./ # 01) $ + + * 2 $ + * ! ! # $ * ! $ + 3 4 56* - ! $ + + * 2 # + ) $ + + 7 $ + |
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