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NCP1852FCCT1G Datasheet(PDF) 7 Page - ON Semiconductor

Part # NCP1852FCCT1G
Description  Fully Integrated Li-Ion Switching Battery Charger
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1852FCCT1G Datasheet(HTML) 7 Page - ON Semiconductor

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NCP1852, NCP1852A
http://onsemi.com
7
Table 4. ELECTRICAL CHARACTERISTICS
Min & Max Limits apply for TA between −40°C to +85°C and TJ up to + 125°C for VIN between 3.6 V to 7 V (Unless otherwise noted).
Typical values are referenced to TA = + 25°C and VIN = 5 V (Unless otherwise noted).
Symbol
Unit
Max
Typ
Min
Conditions
Parameter
JUNCTION THERMAL MANAGEMENT
TH1
Hot temp threshold 1
Relative to TSD
−11
°C
TWARN
Thermal warning
Relative to TSD
−15
°C
BATTERY THERMAL MANAGEMENT
VNTCRMV
Battery removed threshold
voltage
VNTC Rising
2.3
2.325
2.35
V
VCOLD
Battery cold temperature
corresponding voltage
threshold
Voltage range
1.425
1.95
V
Default
1.7
1.725
1.75
V
VHOT
Battery hot temperature
corresponding voltage
threshold
Voltage range
375
900
mV
Default
500
525
550
mV
VCOLD and VHOT voltage
granularity
75
mV
VWARM
Battery warm temperature
corresponding voltage
threshold
BATWARM = 0
VHOT+
0.15
V
BATWARM = 1
VHOT+
0.225
V
VCHILLY
Battery chilly temperature
corresponding voltage
threshold
BATCHILLY = 0
VCOLD−
0.15
V
BATCHILLY = 1
VCOLD−
0.225
V
VNTCDIS
NTC disable corresponding
voltage threshold
VNTC Falling
50
75
100
mV
VREG
Internal voltage reference
2.35
2.4
2.45
V
RNTCPU
Internal resistor pull up
9.8
10
10.2
kW
BUCK CONVERTER
FSWCHG
Switching Frequency
−
3
−
MHz
Switching Frequency Accuracy
−10
+10
%
TDTYC
Max Duty Cycle
Average
99.5
%
IPKMAX
Maximum peak inductor current
2
A
RONLS
Low side Buck MOSFET
RDSON (Q3)
Measured between PGND and SW, VIN = 5 V
−
80
200
mW
RONHS
High side Buck MOSFET
RDSON(Q2)
Measured between CAP and SW, VIN = 5 V
−
130
250
mW
PROTECTED TRANSCEIVER SUPPLY
VTRANS
Voltage on TRANS pin
VIN ≥ 5 V
5
5.5
V
ITRMAX
TRANS current capability
50
mA
ITROCP
Short circuit protection
150
mA
TIMING
TWD
Watchdog timer
32
s
TUSB
USB timer
2048
s


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