LTC1731-4.1 Linear Technology, LTC1731-4.1 Datasheet
LTC1731-4.1
Related parts for LTC1731-4.1
LTC1731-4.1 Summary of contents
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... Fully discharged cells are automatically trickle charged at 10% of the programmed current until cell voltage exceeds 2.457V. The LTC1731-4.1 is available in the 8-pin MSOP and SO packages. , LTC and LT are registered trademarks of Linear Technology Corporation. 500mA Li-Ion Charger ...
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... LTC1731-4 ABSOLUTE MAXIMUM Input Supply Voltage (V ) ................................... 13.2V CC Input Voltage (SENSE, DRV, BAT, TIMER, PROG) ....................... – 0. Output Voltage (CHRG) ......................... – 0.3V to 13.2V U PACKAGE/ORDER INFORMATION TOP VIEW BAT 1 8 SENSE 7 V CHRG 2 CC TIMER 3 6 DRV GND 4 5 PROG MS8 PACKAGE 8-LEAD PLASTIC MSOP ...
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... A CLAMP CC DRV DRIVE Note 2: The LTC1731-4.1 is guaranteed to meet performance specifications from Specifications over the – operating temperature range are assured by design, characterization and correlation with statistical process controls. Guaranteed I grade parts are available, consult factory. GND (Pin 4): Ground. ...
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... LTC1731-4.1 W BLOCK DIAGRA CHRG 2 C/10 100 A SHDN TIMER 3 C3 BATTERY CURRENT I = (2.457V • 800 )/(R BAT U OPERATIO The LTC1731 is a linear battery charger controller. The charge current is programmed by the combination of a program resistor (R ) from the PROG pin to ground PROG and a sense resistor (R ) between the V SENSE pins ...
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... PROG ground. For example, if 0.5A charge current is needed, select a value for R charge current PROG For best stability over temperature and time, 1% resistors are recommended. The closest 1% resistor value is 19.6k. LTC1731-4.1 . When in the constant-current only This greatly CC )(800 /R ) PROG SENSE )(800 /R ...
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... C/10 and stop charging). See Figure 100k LTC1731-4 CHRG OUT IN Figure 1. Microprocessor Interface When the LTC1731 is in charge mode, the CHRG pin is pulled down by an internal N-channel MOSFET. To detect this mode, force the digital output pin, OUT, high and measure the voltage at the CHRG pin ...
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... Plastic Small Outline (Narrow 0.150) (LTC DWG # 05-08-1610) 0.053 – 0.069 (1.346 – 1.752) 0.004 – 0.010 (0.101 – 0.254) 0.050 0.014 – 0.019 (1.270) (0.355 – 0.483) TYP BSC LTC1731-4.1 CC 0.118 0.004* (3.00 0.102 0.118 0.004** 0.193 0.006 (3.00 0.102) (4.90 0.15) MSOP (MS8) 1098 1 ...
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... R Li-ION PROG 4 19.6k CELL 1.5A Single-Cell Battery Charger C4 0. CER 4.7 CHRG SENSE 5 LTC1731-4 DRV TIMER BAT GND PROG C1 TPS2829DBVR 0 18.2k 1% COMMENTS Most Compact 1.5A, Charges NiCd, NiMH, Li-Ion Cells V Can Be Higher or Lower Than Battery Voltage, 1.5A Switch 1.5A ...