MAX4920BETD+T Maxim Integrated Products, MAX4920BETD+T Datasheet - Page 9

• Manufacturer Part Number: MAX4920BETD+T
• Description: IC CTLR OVP/OCP BATT PWR 14-TDFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX4920BETD+T

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2. HP_PWR One-Shot Timing Diagram
Figure 4. Functional Diagram
ONE-SHOT
STATUS
HP_PWR
HP_PWR
P2
OFF
t
HPDBC
Battery Power-Up Logic with Overvoltage
_______________________________________________________________________________________
PWR_HOLD
PWR_ON
ONOK
t
ACOK
1SHHP
ON
EN
MAX4919B
MAX4920B
MAX4921B
GP1
DEBOUNCER
ONE-SHOT
GND
25ms
IN
and Overcurrent Protection
OFF
DEBOUNCER
ONE-SHOT
25ms
GN1
ON/OFF
CHARGE
Figure 3. ACOK Assertion Delay Timing Diagram
PUMP
ACOK
GP1
IN
- BLANKING TIME
-CURRENT LIMIT
-ON/OFF LOGIC
COUNTER
P2
V
OVLO
t
GOFF
t
ACOK
BTI
BTO
HP_PWR
PULLUP VOLTAGE
80% OF ACOK
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