Datasheet LTC4001-1 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 2A Synchronous Buck Li-Ion Charger |
| Pages / Page | 20 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| File Format / Size | PDF / 236 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING
Model Line for this Datasheet
Text Version of Document
LTC4001-1
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
PV TOP VIEW IN, VINSENSE t < 1ms, DC < 1% .. –0.3V to 7V TSENS Steady State ... –0.3V to 6V BA TIMER SS IDET 16 15 14 13 SW, SENSE, BAT, BATSENS, SS, FAULT, CHRG, EN, NTC, BAT 1 12 PROG PROG, IDET, TIMER Voltage .. – 0.3V to 6V SENSE 2 11 NTC Operating Temperature Range (Note 3) .. –40°C to 85°C 17 PGND 3 10 FAULT Operating Junction Temperature GNDSENS 4 9 VINSENSE (Note 5) .. –40°C to 125°C 5 6 7 8 Storage Temperature Range .. –65°C to 125°C IN SW EN CHRG PV UF PACKAGE 16-LEAD (4mm × 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4001EUF-1#PBF LTC4001EUF-1#TRPBF 40011 16-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 5V, VEN = 0V, RPROG = 549Ω, RIDET = 549Ω, unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Supply Voltage (Note 2) 4 5.5 V IIN PVIN Connected to VINSENSE, PROG and IDET 2 mA Pins Open, Charger On Shutdown, EN = VIN 50 μA VFLOAT VBAT Regulated Float Voltage Measured from BATSENS to GNDSENS ● 4.059 4.1 4.141 V 4.079 4.1 4.121 V IBAT Current Mode Charge Current RPROG = 549Ω, VBAT = 3.5V 1.8 2 2.2 A RPROG = 1.10k, VBAT = 3.5V 0.9 1 1.1 A Shutdown, EN = VIN ±5 μA ITRIKL Trickle Charge Current VBAT = 2V 35 50 65 mA VTRIKL Trickle Charge Threshold VBAT Rising 3.05 3.1 3.20 V VBAT Falling 2.85 3.0 3.05 V VUVL VIN Undervoltage Lockout Voltage VIN Rising, Measured from VINSENSE to GNDSENS 2.7 2.82 V ΔVUVL VIN Undervoltage Lockout Measured from VINSENSE to GNDSENS 100 mV Hysteresis VASD Automatic Shutdown Threshold VINSENSE – VBATSENS Rising (Turn-On), VBATSENSE = 4V 200 250 300 mV Voltage VINSENSE – VBATSENS Falling (Turn-Off), VBATSENSE = 4V 15 30 60 mV 40011fa 2
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
PV TOP VIEW IN, VINSENSE t < 1ms, DC < 1% .. –0.3V to 7V TSENS Steady State ... –0.3V to 6V BA TIMER SS IDET 16 15 14 13 SW, SENSE, BAT, BATSENS, SS, FAULT, CHRG, EN, NTC, BAT 1 12 PROG PROG, IDET, TIMER Voltage .. – 0.3V to 6V SENSE 2 11 NTC Operating Temperature Range (Note 3) .. –40°C to 85°C 17 PGND 3 10 FAULT Operating Junction Temperature GNDSENS 4 9 VINSENSE (Note 5) .. –40°C to 125°C 5 6 7 8 Storage Temperature Range .. –65°C to 125°C IN SW EN CHRG PV UF PACKAGE 16-LEAD (4mm × 4mm) PLASTIC QFN TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4001EUF-1#PBF LTC4001EUF-1#TRPBF 40011 16-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 5V, VEN = 0V, RPROG = 549Ω, RIDET = 549Ω, unless otherwise specifi ed. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Supply Voltage (Note 2) 4 5.5 V IIN PVIN Connected to VINSENSE, PROG and IDET 2 mA Pins Open, Charger On Shutdown, EN = VIN 50 μA VFLOAT VBAT Regulated Float Voltage Measured from BATSENS to GNDSENS ● 4.059 4.1 4.141 V 4.079 4.1 4.121 V IBAT Current Mode Charge Current RPROG = 549Ω, VBAT = 3.5V 1.8 2 2.2 A RPROG = 1.10k, VBAT = 3.5V 0.9 1 1.1 A Shutdown, EN = VIN ±5 μA ITRIKL Trickle Charge Current VBAT = 2V 35 50 65 mA VTRIKL Trickle Charge Threshold VBAT Rising 3.05 3.1 3.20 V VBAT Falling 2.85 3.0 3.05 V VUVL VIN Undervoltage Lockout Voltage VIN Rising, Measured from VINSENSE to GNDSENS 2.7 2.82 V ΔVUVL VIN Undervoltage Lockout Measured from VINSENSE to GNDSENS 100 mV Hysteresis VASD Automatic Shutdown Threshold VINSENSE – VBATSENS Rising (Turn-On), VBATSENSE = 4V 200 250 300 mV Voltage VINSENSE – VBATSENS Falling (Turn-Off), VBATSENSE = 4V 15 30 60 mV 40011fa 2
