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BD8664GW Datasheet(PDF) 7 Page - Rohm |
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BD8664GW Datasheet(HTML) 7 Page - Rohm |
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7 / 35 page  7/32 BD8664GW BD8665GW BD8668GW TSZ02201-0A1A0AZ00130-1-2 15.Apr.2015 Rev.001 © 2015 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 Electrical Characteristics (Unless otherwise specified, VVBUS=5.0V VVFB=7.4V VISETIN1,2,3=0V GND=PGND=0V Ta=25 °C) Item Symbol Value Unit Conditions Min Typ Max VBUS Stand-by Current IVBUS1 - 71 142 μA VEN= 0.0V, Only VBUSOK is ON VBUS Operational Current IVBUS2 - 2 5 mA No Switching Battery Stand-by Current IBATT1 -1 0 +1 μA VEN= 0.0V Battery Operational Current IBATT2 - 60 120 μA No Switching Frequency 1 FOSC1 0.9 1.0 1.1 MHz RFSET= 47k Ω Frequency 2 FOSC2 (1.8) 2.0 (2.2) MHz RFSET= 22k Ω FSET Output Voltage VFSET - 0.6 - V <Constant Voltage Control Block> Constant Voltage Charging Accuracy VCV2 8.258 8.300 8.342 V ±0.5%, BD8664GW VCV2 8.358 8.400 8.442 V ±0.5%, BD8665GW/BD8668GW < VBUSLIM Current Control Block> VBUSLIM Current Accuracy (VBUS-ISNS Voltage) IVBUSLIM1 6.0 8.0 10.0 mV VISETIN1 = 0.0V, VISETIN2 = 0.0V IVBUSLIM2 47.0 48.5 50.0 mV VISETIN1 = 0.0V, VISETIN2 = 3.3V IVBUSLIM3 85.2 87.0 88.8 mV VISETIN1 = 3.3V, VISETIN2 = 0.0V BD8664GW, ±2% 84.0 90.0 mV VISETIN1 = 3.3V, VISETIN2 = 0.0V BD8665GW/BD8668GW, ±3% IVBUSLIM4 142.1 145.0 147.9 mV VISETIN1 = 3.3V, VISETIN2 = 3.3V BD8664GW, ±2% 140.0 150.0 mV VISETIN1 = 3.3V, VISETIN2 = 3.3V BD8665GW/BD8668GW, ±3% VBUSLIM Current Limiter Level (VBUS-ISNS Voltage) IVBUSOCP (+15) +20 (+30) mV Against The Current Set By VBUSLIM < PGOOD Block> PGOOD H Voltage VPGOODH 2.94 3.00 3.06 V ±2% PGOOD L Voltage VPGOODL - 0.0 - V <VBUSOK Pin > VBUS Threshold 1 VVBUSOKTH1 3.9 4.0 4.1 V VBUS = L to H VBUS Threshold 2 VVBUSOKTH2 3.8 3.9 4.0 V VBUS = H to L VBUSOK L->H Delay Time VVBUSOKDELAY 20 40 - ms VBUSOK H Voltage VVBUSOKH 2.94 3.00 3.06 V ±2% VBUSOK L Voltage VVBUSOKL - 0.0 - V <Comparator Block> VBUS UVLO Threshold VVBUSUVLOON 3.40 3.60 3.80 V VBUS UVLO Unlock Threshold Voltage VVBUSUVLOFF 3.50 3.70 3.90 V VFB Low Voltage Detection1 VVFBLV1 - 2.4 - V VFB = H to L VFB Low Voltage Detection2 VVFBLV2 - 2.6 - V VFB = L to H VFB Overvoltage Detection1 VVFBOV1 8.5 9.0 9.5 V VFB = H to L VFB Overvoltage Detection2 VVFBOV2 9.2 9.7 10.2 V VFB = L to H VBUS Current Automatic Selection Voltage 1 VVBUSAUTOTH 3.9 4.0 4.1 V VBUS = H to L VBUS Current Automatic Selection Voltage 1 VVBUSAUTOTH 4.0 4.1 4.2 V VBUS = L to H <Power MOSFET> VBUSLIM-SW1 PMOS Ron RSW1A - 70 - mΩ ISW1 ＝-10mA VBUSLIM-SW1small PMOS Ron RSW1B - 20 - Ω ISW1 ＝-10mA SW2-PGND NMOS Ron RSW2 - 60 - mΩ ISW2 ＝10mA SW2 Max Duty Width TSW2MAXDUTY - 80 - ns RFSET= 47k Ω SW2 Min Duty Ratio TSW2MINDUTY - 0 - ％ RFSET= 47k Ω |
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