LTC4095EDC#TRPBF Linear Technology, LTC4095EDC#TRPBF Datasheet
LTC4095EDC#TRPBF
Specifications of LTC4095EDC#TRPBF
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LTC4095EDC#TRPBF Summary of contents
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... The LTC4095 is available in a tiny, low profi le (0.75mm) 8-lead 2mm × 2mm DFN package. , 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 6522118, 6570372, 6700364. ...
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LTC4095 ABSOLUTE MAXIMUM RATINGS (Notes Input Supply Voltage (IN) t < 1ms and Duty Cycle < 1% .................. –0. Steady State ............................................. –0. BAT, SUSP, ⎯ C ⎯ H ⎯ R ⎯ G ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T otherwise specifi ed. SYMBOL PARAMETER t Recharge Comparator Filter Time RECHRG t Safety Timer Termination Period TERM t Bad-Battery Termination Time BADBAT h End of Charge Indication Current Level C/10 ...
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LTC4095 TYPICAL PERFORMANCE CHARACTERISTICS Battery Regulation (Float) Voltage vs Battery Charge Current 4. 0.845k 4.24 PROG HPWR = 5V 4.23 4.22 4.21 4.20 4.19 4.18 4.17 4.16 4.15 0 200 400 600 800 1000 I ...
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TYPICAL PERFORMANCE CHARACTERISTICS Recharge Threshold vs Temperature 115 105 –55 –35 – TEMPERATURE (°C) 4095 G09 Supply Currents in Suspend vs Temperature BAT = 4. ...
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LTC4095 PIN FUNCTIONS BAT (Pin 1): Single Cell Li-Ion Battery Pin. Provides charge current to the battery and regulates fi nal fl oat voltage to 4.2V. GND (Pin 2): Ground ⎯ C ⎯ H ⎯ R ⎯ G (Pin 3): ...
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SIMPLIFIED BLOCK DIAGRAM 2.25MHz CLOCK COUNTER + 4.105V RECHRG RECHARGE – CONTROL BAT LOGIC – TRICKLE TRICKLE CHARGE + 2.9V NTC 6 NTC TEMP FAULT CHRGR BAD ON BAT CHRG 3 BLINK M1 LOGIC OPERATION Introduction The LTC4095 is a ...
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LTC4095 OPERATION Charge Cycle Overview When a battery charge cycle begins, the battery charger fi rst determines if the battery is deeply discharged. If the battery voltage is below V , typically 2.9V, an automatic TRKL trickle charge feature sets ...
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OPERATION In any mode, the actual battery current can be determined by monitoring the PROG pin voltage and using the follow- ing equation: PROG = I • 800 BAT R PROG Thermal Regulation To prevent thermal damage to the IC ...
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LTC4095 OPERATION NTC Thermistor The battery temperature is measured by placing a nega- tive temperature coeffi cient (NTC) thermistor close to the battery pack. The NTC circuitry is shown in Figure 3. To use this feature, connect the NTC thermistor, ...
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APPLICATIONS INFORMATION Alternate NTC Thermistors and Biasing The LTC4095 provides temperature qualifi ed charging if a grounded thermistor and a bias resistor are connected to the NTC pin. By using a bias resistor whose value is equal to the room ...
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LTC4095 APPLICATIONS INFORMATION Solving these equations for R NTC|COLD results in the following 0.536 • R NTC|HOT NOM and R = 3.25 • R NTC|COLD NOM By setting R equal to R25, the above equations result NOM in ...
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APPLICATIONS INFORMATION charge currents, the LTC4095 power dissipation is approximately (IN – BAT) • BAT where P is the power dissipated the input supply D voltage, BAT is the battery voltage and I current. ...
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LTC4095 APPLICATIONS INFORMATION In constant-current mode, the PROG pin is in the feed- back loop rather than the battery voltage. Because of the additional pole created by any PROG pin capacitance, capacitance on this pin must be kept to a ...
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... NOTE 6) 0.200 REF 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. DC Package 8-Lead Plastic DFN (2mm × 2mm) (Reference LTC DWG # 05-08-1719 Rev Ø ...
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... Synchronous Buck- OUT BoostDC/DC Converter TM LTC4411/LTC4412 Low Loss PowerPath Controller in ThinSOT LTC4413 Dual Ideal Diode in DFN 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 ● 500mA Single-Cell Li-Ion Charger IN ...