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NCP1855FCCT1G Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP1855FCCT1G Datasheet(HTML) 6 Page - ON Semiconductor |
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6 / 26 page  NCP1855 www.onsemi.com 6 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 3.9 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 BATTERY VOLTAGE THRESHOLD VBUCKOV Overvoltage threshold voltage VBAT rising, relative to VCHG setting register, measured on SENSN or SENSP, QBAT close or no QBAT 115 % QBAT open. 5 V CHARGE CURRENT REGULATION ICHG Charge current range Programmable by I2C 450 2500 mA Default value 950 1000 1050 mA Charge current accuracy −50 50 mA I2C Programmable granularity 100 mA IPRE Pre−charge current VBAT < VPRE 400 450 500 mA ISAFE Safe charge current VBAT < VSAFE 30 40 50 mA IWEAK Weak battery charge current BATFET present, VSAFE < VBAT < VFET IWEAK[1:0] = 01 80 100 120 mA IWEAK[1:0] = 10 180 200 220 IWEAK[1:0] = 11 270 300 330 CHARGE TERMINATION IEOC Charge current termination VBAT ≥ VRECHG Current range 100 275 mA Default value 150 Accuracy, IEOC < 200 mA −25 25 I2C Programmable granularity 25 FLAG VFOL FLAG output low voltage IFLAG = 10 mA 0.5 V IFLEAK Off−state leakage VFLAG = 5 V 1 mA TFLGON Interrupt request pulse duration Single event 150 200 250 ms DIGITAL INPUT (VDG) VIH High−level input voltage 1.2 V VIL Low−level input voltage 0.4 V RDG Pull up resistor (FRTY pin) 250 k W Pull down resistor (others pin) IDLEAK Input current VDG = 0 V −0.5 0.5 mA I2C VSYSUV CAP pin supply voltage I2C registers available 2.5 V VI2CINT High level at SCL/SCA line 1.7 5 V VI2CIL SCL, SDA low input voltage 0.4 V VI2CIH SCL, SDA high input voltage 0.8* VI2CINT V VI2COL SCL, SDA low output voltage ISINK = 3 mA 0.3 V FSCL I2C clock frequency 3.4 MHz |
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