DS2710G データシートの表示（PDF） - Maxim Integrated

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DS2710G

Single-Cell NiMH Charger

Maxim Integrated 

Single-Cell NiMH Charger

RTMR > RSUSPEND

(ASYNCHRONOUSLY FROM ANYWHERE)

SUSPEND

CS = INACTIVE

STATUS = LOW

RTMR < RSUSPEND

VDD < VUVLO - VUHYS

(ASYNCHRONOUSLY FROM ANYWHERE)

POR

CS = INACTIVE

VDD > VUVLO (3.5V)

PRESENCE

CS = INACTIVE

STATUS = LOW

t < tPCHG

AND

VCELL < 1.0V

PRECHARGE

CS = ACTIVE 25% DF

STATUS = 1Hz TOGGLE

VCELL < VMAX-OPEN

VCELL > 1.75V

VCELL > 1.75V

OR

T < 0°C

OR

T > +45°C

t > tPCHG

OR

T > +50°C

OR

VCELL > VMAX*

FAULT

CS = INACTIVE

STATUS = 4Hz TOGGLE

VCELL > 1.0V

AND

t < tPCHG

AND

T < +50°C

PASS

CELL TEST

CS = INACTIVE

STATUS = HIGH

31s INTERVAL

FAIL: VCELL > VMAX-OPEN

OR ΔV > CTEST

VCELL > VMAX*

t < FAST TIMEOUT

FAST-CHARGE

CS = ACTIVE

STATUS = HIGH

VCELL > VMAX*

t > FAST TIMEOUT

-ΔV DETECT

OR

FLAT VOLTAGE DETECT

T > +50°C

t < TOP-OFF TIMEOUT

TOP-OFF

CS = ACTIVE 25% DF

STATUS = HIGH

T > +50°C

OR

t > TOP-OFF TIMEOUT

MAINTENANCE

CS = ACTIVE 1.56% DF

STATUS = LOW

*VMAX REPRESENTS VMAX-CHARGE WHEN THE CS OUTPUT IS ACTIVE AND VMAX-OPEN WHEN THE CS OUTPUT IS INACTIVE.

Figure 2. State Diagram

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