Datenblatt-Suchmaschine für elektronische Bauteile |
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SS6781A Datenblatt(PDF) 11 Page - Silicon Standard Corp. |
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SS6781A Datenblatt(HTML) 11 Page - Silicon Standard Corp. |
11 / 18 page www.SiliconStandard.com 11 of 18 SS6781A(G) 1/11/2005 Rev.2.10 TABLE 2 BATTERY CELLS RA/RB RA (K Ω) RB (K Ω) 2~4 2 240 120 3~6 3.3 300 91 4~8 4.9 300 62 5~10 6.4 300 47 6~12 7.8 310 39 8~16 10.8 390 36 For SEL3 < (VCC/2) -0.4V, the suggested divider resistance of RA and RB for the corresponding number of battery cells are as below: TABLE 3 BATTERY CELLS RA/RB RA(K Ω) RB (K Ω) 2 1 240 240 3 2 240 120 4 3 240 80 5 4 300 75 6 5 300 60 8 7 360 51 10 9 360 40 12 11 390 36 16 15 410 27 Battery Temperature Measurement The SS6781A employs a negative temperature coefficient (NTC) thermistor to measure the battery’s temperature. The thermistor is inherently nonlinear with respect to temperature. To reduce the effect of nonlinearity, a resistor-divider network in parallel with the thermistor is recommended. A typical application circuit is shown in Fig. 18. VBAT 4 Rx C7 VCC Ry 5 VCC GND 12 VTS SS6781A Fig. 18 Battery Temperature Sense Circuit with a Negative Temperature Coefficient (NTC) Thermistor |
Ähnliche Teilenummer - SS6781A |
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Ähnliche Beschreibung - SS6781A |
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