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NCP1850FCCT1G Datasheet(PDF) 5 Page - ON Semiconductor |
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NCP1850FCCT1G Datasheet(HTML) 5 Page - ON Semiconductor |
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5 / 30 page  NCP1850 http://onsemi.com 5 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 Parameter Conditions Min Typ Max Unit INPUT VOLTAGE VINDET Valid input detection threshold VIN rising 3.55 3.6 3.65 V VIN falling 2.95 3.0 3.05 V VBUSUV USB under voltage detection VIN falling 4.3 4.4 4.5 V Hysteresis 50 100 150 mV VBUSOV USB over voltage detection VIN rising 5.55 5.65 5.75 V Hysteresis 25 75 125 mV VINOV VINOV Valid input high threshold VIN rising 7.1 7.2 7.3 V Hysteresis 200 300 400 mV INPUT CURRENT LIMITING IINLIM Input current limit VIN = 5 V IINLIM set to 100 mA 70 85 100 mA IINLIM set to 500 mA 425 460 500 mA IINLIM set to 900 mA 800 850 900 mA IINLIM set to 1500 mA 1.4 1.45 1.5 A INPUT SUPPLY CURRENT IQ_SW VBUS supply current No load, Charger active state 15 mA IOFF Charger not active, NTC disable 500 mA CHARGER DETECTION VCHGDET Charger detection threshold voltage VIN – VSENSN, VIN rising 50 200 mV VIN – VSENSN, VIN falling 10 50 REVERVE BLOCKING CURRENT ILEAK VBAT leakage current Battery leakage, VBAT = 4.2 V VIN = 0 V, SDA = SCL = 0 V 5 7 mA RRBFET Input RBFET On resistance (Q1) Charger active state, Measured between IN and CAP,VIN = 5 V − 45 90 mW BATTERY AND SYSTEM VOLTAGE REGULATION VCHG Output voltage range Programmable by I2C 3.3 4.5 V Default value 3.6 Voltage regulation accuracy Constant voltage mode, TA = 25°C −0.5 0.5 % −1 1 I2C Programmable granularity 25 mV BATTERY VOLTAGE THRESHOLD VSAFE Safe charge threshold voltage VBAT rising 2.1 2.15 2.2 V VPRE Conditioning charge threshold voltage VFET = 3.1 V and 3.2 V 2.95 3 3.05 V VFET = 3.3 V, 3.4 V, 3.5 V and 3.6 V 3.15 3.2 3.25 9. Minimum transition time from states to states. |
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