LTC3576EUFE#PBF Linear Technology, LTC3576EUFE#PBF Datasheet - Page 25

• Manufacturer Part Number: LTC3576EUFE#PBF
• Description: IC POWER MANAGER W/USB OTG 38QFN
• Manufacturer: Linear Technology

Specifications of LTC3576EUFE#PBF

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 38-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -

OPERATION
NO
100V/R
TIMER > 30 MINUTES
RUN EVENT TIMER
INHIBIT CHARGING
INDICATE BATTERY
FAULT AT CHRG
BAT > 2.85V
CHARGE AT
PROG
(C/10 RATE)
YES
YES
BAT < 2.85V
NO
CLEAR EVENT TIMER
PAUSE EVENT TIMER
ASSERT CHRG LOW
NTC OUT OF RANGE
1030V/R
ENABLE CHARGER
BATTERY STATE
BAT FALLING
POWER ON/
CHARGE AT
BAT RISING
THROUGH
THROUGH
V
V
RECHRG
RECHRG
PROG
NO
2.85V < BAT < V
NO
NO
Battery Charger Flow Chart
RATE
YES
BAT > V
YES
YES
FLOAT
FLOAT
–
–
RUN EVENT TIMER
TIMER > 4 HOURS
STOP CHARGING
FIXED VOLTAGE
BAT < V
CHARGE WITH
CHRG HIGH-Z
(V
FLOAT
RECHRG
YES
YES
)
NO
NO
LTC3576/LTC3576-1
PAUSE EVENT TIMER
INHIBIT CHARGING
CHRG CURRENTLY
CHRG HIGH-Z
NTC FAULT
I
INDICATE
BAT
AT CHRG
HIGH-Z
< C/10
YES
NO
YES
NO
3576 FLOW
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