Datasheet LTC4002 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | Standalone Li-Ion Switch Mode Battery Charger |
| Páginas / Página | 16 / 2 — ABSOLUTE AXI U. RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO. ELECTRICAL … |
| Formato / tamaño de archivo | PDF / 174 Kb |
| Idioma del documento | Inglés |
ABSOLUTE AXI U. RATI GS (Note 1). PACKAGE/ORDER I FOR ATIO. ELECTRICAL CHARACTERISTICS (LTC4002-4.2) The
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LTC4002
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Supply Voltage (VCC) .. 24V Operating Temperature Range (Note 4) .. – 40°C to 85°C GATE .. (VCC – 8V) to VCC Storage Temperature Range ... – 65°C to 125°C BAT, SENSE .. – 0.3V to 14V Lead Temperature (S8 Package) CHRG, NTC ... – 0.3V to 8V (Soldering, 10 sec) ... 300°C
U W U PACKAGE/ORDER I FOR ATIO
TOP VIEW ORDER PART ORDER PART NUMBER TOP VIEW NUMBER COMP 1 10 NC COMP 1 8 NTC V 2 9 NTC CC LTC4002EDD-4.2 LTC4002ES8-4.2 GATE 3 11 8 SENSE V 2 7 SENSE CC PGND 4 7 BAT LTC4002EDD-8.4 LTC4002ES8-8.4 GATE 3 6 BAT SGND 5 6 CHRG GND 4 5 CHRG DD PART MARKING S8 PART MARKING DD PACKAGE S8 PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN 8-LEAD PLASTIC SO LAGG 400242 TJMAX = 125°C, θJA = 43°C/W TJMAX = 125°C, θJA = 110°C/W EXPOSED PAD IS GND (PIN 11) LBGY 400284 MUST BE SOLDERED TO PCB Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS (LTC4002-4.2) The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VCC = 10V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS DC Characteristics
VCC VCC Supply Voltage ● 4.7 22 V ICC VCC Supply Current Current Mode 3 5 mA Shutdown Mode 3 5 mA Sleep Mode 10 20 µA VBAT(FLT) Battery Regulated Float Voltage 5V ≤ VCC ≤ 22V (Note 2) 4.168 4.2 4.232 V ● 4.158 4.242 V VSNS(CHG) Constant Current Sense Voltage 3V ≤ VBAT ≤ 4V (Note 3) 0°C ≤ TA ≤ 85°C ● 93 100 107 mV –40°C ≤ TA ≤ 85°C ● 90 110 mV VSNS(TRKL) Trickle Current Sense Voltage VBAT = 0V (Note 3) 5 10 15 mV VTRKL Trickle Charge Threshold Voltage VBAT Rising 2.75 2.9 3.05 V VUV VCC Undervoltage Lockout Threshold Voltage VCC Rising 3.9 4.2 4.5 V ∆VUV VCC Undervoltage Lockout Hysteresis Voltage 200 mV VMSD Manual Shutdown Threshold Voltage COMP Pin Falling 200 360 500 mV VASD Automatic Shutdown Threshold Voltage VCC – VBAT 250 mV ICOMP COMP Pin Output Current VCOMP = 1.2V 100 µA ICHRG CHRG Pin Weak Pull-Down Current VCHRG = 1V 15 25 35 µA VCHRG CHRG Pin Output Low Voltage ICHRG = 1mA 0.15 0.3 V REOC End-of-Charge Ratio VSNS(EOC)/VSNS(CHG) 10 25 32 % tTIMER Charge Time Accuracy 10 % 4002f 2
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Supply Voltage (VCC) .. 24V Operating Temperature Range (Note 4) .. – 40°C to 85°C GATE .. (VCC – 8V) to VCC Storage Temperature Range ... – 65°C to 125°C BAT, SENSE .. – 0.3V to 14V Lead Temperature (S8 Package) CHRG, NTC ... – 0.3V to 8V (Soldering, 10 sec) ... 300°C
U W U PACKAGE/ORDER I FOR ATIO
TOP VIEW ORDER PART ORDER PART NUMBER TOP VIEW NUMBER COMP 1 10 NC COMP 1 8 NTC V 2 9 NTC CC LTC4002EDD-4.2 LTC4002ES8-4.2 GATE 3 11 8 SENSE V 2 7 SENSE CC PGND 4 7 BAT LTC4002EDD-8.4 LTC4002ES8-8.4 GATE 3 6 BAT SGND 5 6 CHRG GND 4 5 CHRG DD PART MARKING S8 PART MARKING DD PACKAGE S8 PACKAGE 10-LEAD (3mm × 3mm) PLASTIC DFN 8-LEAD PLASTIC SO LAGG 400242 TJMAX = 125°C, θJA = 43°C/W TJMAX = 125°C, θJA = 110°C/W EXPOSED PAD IS GND (PIN 11) LBGY 400284 MUST BE SOLDERED TO PCB Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS (LTC4002-4.2) The
●
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VCC = 10V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS DC Characteristics
VCC VCC Supply Voltage ● 4.7 22 V ICC VCC Supply Current Current Mode 3 5 mA Shutdown Mode 3 5 mA Sleep Mode 10 20 µA VBAT(FLT) Battery Regulated Float Voltage 5V ≤ VCC ≤ 22V (Note 2) 4.168 4.2 4.232 V ● 4.158 4.242 V VSNS(CHG) Constant Current Sense Voltage 3V ≤ VBAT ≤ 4V (Note 3) 0°C ≤ TA ≤ 85°C ● 93 100 107 mV –40°C ≤ TA ≤ 85°C ● 90 110 mV VSNS(TRKL) Trickle Current Sense Voltage VBAT = 0V (Note 3) 5 10 15 mV VTRKL Trickle Charge Threshold Voltage VBAT Rising 2.75 2.9 3.05 V VUV VCC Undervoltage Lockout Threshold Voltage VCC Rising 3.9 4.2 4.5 V ∆VUV VCC Undervoltage Lockout Hysteresis Voltage 200 mV VMSD Manual Shutdown Threshold Voltage COMP Pin Falling 200 360 500 mV VASD Automatic Shutdown Threshold Voltage VCC – VBAT 250 mV ICOMP COMP Pin Output Current VCOMP = 1.2V 100 µA ICHRG CHRG Pin Weak Pull-Down Current VCHRG = 1V 15 25 35 µA VCHRG CHRG Pin Output Low Voltage ICHRG = 1mA 0.15 0.3 V REOC End-of-Charge Ratio VSNS(EOC)/VSNS(CHG) 10 25 32 % tTIMER Charge Time Accuracy 10 % 4002f 2