KA35S280 데이터 시트보기 (PDF) - Kasin Electronics Corporation

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KA35S280

Lead-Acid Battery Charger

Kasin Electronics Corporation 

KA35S280/281

Lead-Acid Battery Charger

Table 7 – RT1 and RT2 Values for Temperature Thresholds

LTF (°C) HTF (°C)

RT1

RT2

5 °C

45 °C 8.18KΩ 15.22KΩ

0 °C

50 °C 7.50KΩ 11.25KΩ

-5 °C

55 °C 6.85KΩ 8.72KΩ

.

VCC

Colder

VLTF = 0.35VCC

VHTF = 0.15VCC

VTCO = 0.12VCC

LTF

HTF

TCO

VSS

Hotter

Figure 7 – Voltage Equivalent of Temperature Threshold

VCC

RT1

NTC

Thermistor

TEMP

RT2

KA35S28X

Figure 8 – Configuring Temperature Sensing

- Disabling Temperature Sensing

Temperature sensing may be disabled by removing the thermistor and use a single Pull up

or Pull down resistor connected to TEMP pin as shown in figure 9.

VCC

RPD

TEMP

Or

RPU

TEMP

KA35S28X

Figure 9 – Disabling Temperature Sensing

KA35S28X

where:

RPU = Pull up resistor (Can be select 1KΩ)

RPD = Pull down resistor (Can be select 1KΩ)

2011 Nov 18

© 2011 Kasin Technology Inc.

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