MAX4919B 데이터 시트보기 (PDF) - Maxim Integrated
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MAX4919B Datasheet PDF : 19 Pages
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Battery Power-Up Logic with Overvoltage
and Overcurrent Protection
HP_PWR
tHPDBC
HP_PWR
ONE-SHOT
OFF
P2
STATUS
t1SHHP
ON
Figure 2. HP_PWR One-Shot Timing Diagram
VOVLO
IN
GP1
OFF
tGOFF
ACOK
tACOK
80% OF ACOK
PULLUP VOLTAGE
Figure 3. ACOK Assertion Delay Timing Diagram
EN GP1
IN
GN1
ACOK
ONOK
25ms
CHARGE
BTI
DEBOUNCER
PUMP
P2
ONE-SHOT
PWR_ON
PWR_HOLD
ON/OFF
ONE-SHOT
-CURRENT LIMIT
- BLANKING TIME
COUNTER
-ON/OFF LOGIC
MAX4919B
MAX4920B
MAX4921B
25ms
DEBOUNCER
BTO
HP_PWR
GND
Figure 4. Functional Diagram
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