Rainbow-electronics MAX17047 Uživatelský manuál stáhnout pdf (Strana 12)

�� Maxim Integrated Products 12

MAX17047

ModelGauge m3 Fuel Gauge

Figure 6. Operating Circuits that Share Pack Thermistor with System Charger

Figure 5. Typical Operating Circuit

MAX17047

VOLTAGE BASED

ON EXISTING

CHARGER REQUIREMENTS

BIAS

SYSTEM

BATT

THERMISTOR

INSIDE

CELL PACK

MAX17047 + CHARGER

WITH EXTERNAL BIAS

PK- PK-

CHARGER WITH

+ THRM

AVAILABLE

P P

THRM

CSP

AIN

MAX17047

BIAS

2.8V < V

BIAS

< V

INTERNAL

+ 0.6V

SYSTEM

BATT

THERMISTOR

INSIDE

CELL PACK

MAX17047 + CHARGER

WITH INTERNAL BIAS

CHARGER WITH

INTERNAL

BIAS

THRM

CSP

AIN

INTERNAL

ON DURING

CHARGE

OFF DURING

DISCHARGE

0.1µF0.1µF

OPTIONAL

10nF

OPTIONAL

10kI

PK-

PK+

OPTIONAL

10kI

NTC

THERMISTOR

10mI

RSNS

CSP

REG

AIN SCL

THRM

BATT

CSNEP

SDA

ALRT

MAX17047

OPTIONAL

200kI

OPTIONAL

5kI

SYSTEM

BATTERY PACK

HOST

µP

PROTECTION IC

THERMISTOR

MEASUREMENT OPTIONAL

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 45 46

MAX17047 1
ModelGauge m3 Fuel Gauge 1

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