LTC4075HVXEDD#TRPBF Linear Technology, LTC4075HVXEDD#TRPBF Datasheet
LTC4075HVXEDD#TRPBF
Specifications of LTC4075HVXEDD#TRPBF
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LTC4075HVXEDD#TRPBF Summary of contents
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... USB power. No trickle charge allows full current from the charger when a load is connected directly to the battery. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. *Protected by U.S. Patents including ...
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LTC4075HVX ABSOLUTE MAXIMUM RATINGS (Note 1) Input Supply Voltage (DCIN, USBIN) ............–0.3 to 22V ENABLE, ⎯ C ⎯ H ⎯ R ⎯ ⎯ P ⎯ W ⎯ USBPWR, BAT ............–0 IDC, IUSB, ITERM Pin ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are DCIN Undervoltage Lockout Voltage UVDC V USBIN Undervoltage Lockout Voltage UVUSB V DCIN Overvoltage Lockout Voltage OVDC V USBIN Overvoltage Lockout Voltage OVUSB V V – V Lockout Threshold ...
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LTC4075HVX TYPICAL PERFORMANCE CHARACTERISTICS Regulated Output (Float) Voltage vs Charge Current 4. DCIN USBIN 4.24 4.22 4. 1.24k IDC 4. IDC IUSB 4.16 4.14 4.12 4.10 0 100 ...
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TYPICAL PERFORMANCE CHARACTERISTICS Charge Current vs Ambient Temperature 900 R = 1.24k IDC 800 700 600 IDC 500 400 300 200 DCIN USBIN 100 BAT θ = 30°C/W JA ...
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LTC4075HVX TYPICAL PERFORMANCE CHARACTERISTICS Undervoltage Lockout Threshold vs Temperature 4.25 4.20 DCIN UVLO 4.15 4.10 4.05 4.00 USBIN UVLO 3.95 3.90 3.85 – TEMPERATURE (°C) Recharge Threshold Voltage vs Temperature 4. DCIN USBIN ...
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PIN FUNCTIONS USBIN (Pin 1): USB Input Supply Pin. This input provides power to the battery charger assuming a voltage greater than V and less than V UVUSB OVUSB 3.95V to 6V respectively). However, the DCIN input will take priority ...
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LTC4075HVX BLOCK DIAGRAM DCIN 10 PWR 4 + – 4.15V DCIN UVLO + – BAT + – 6V DCIN OVLO + 6 ENABLE 2M – 0.9V + 4.075V – BAT RECHARGE – 0.1V CHRG 5 + TERMINATION 8 BAT 9 ...
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OPERATION The LTC4075HVX is designed to effi ciently manage charg- ing of a single-cell lithium-ion battery from two separate power sources: a wall adapter and USB power bus. Us- ing the constant-current/constant-voltage algorithm, the charger can deliver up to 950mA ...
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LTC4075HVX OPERATION Automatic Recharge In standby mode, the charger sits idle and monitors the battery voltage using a comparator with a 4.1ms fi lter time ( charge cycle automatically restarts when the RECHRG battery voltage falls below 4.075V ...
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OPERATION The USB power status open drain output (USBPWR) has two states: pull-down and high impedance. The high imped- ance state indicates that the LTC4075HVX is being powered from the USBIN input. The pull-down state indicates that the charger is ...
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LTC4075HVX APPLICATIONS INFORMATION Using a Single Charge Current Program Resistor The LTC4075HVX can program the wall adapter charge current and USB charge current independently using two program resistors, R and R IDC IUSB charger circuit that sets the wall adapter ...
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APPLICATIONS INFORMATION Assuming θ is 40°C/W (see Thermal Considerations), JA the ambient temperature at which the LTC4075HVX will begin to reduce the charge current is approximately 125°C – (5V – 3.3V) • (800mA) • 40°C ...
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LTC4075HVX APPLICATIONS INFORMATION In this circuit, capacitor C2 holds MN1 off when the cable is fi rst connected. Eventually C2 begins to charge up to the USB input voltage applying increasing gate drive to MN1. The long time constant of ...
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... RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... High Effi ciency Li-Ion Battery Charger LTC4410 USB Power Manager and Battery Charger LTC4411/LTC4412 Low Loss PowerPath™ Controller in ThinSOT ThinSOT and PowerPath are trademarks of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...