MAX1737EEI+T

28 QSOP, lithium-ion (Li+) battery charger

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Price:: US $2.20~2.20 / piece [Get Latest Price]

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	US $2.20~2.20

PartNumber:: MAX1737EEI+T

Brand:: Maxim Integrated Products - Maxim | Pack: QSOP | D/C: 09+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-03-14

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Part Number:MAX1737EEI+T
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Product Summary

The MAX1737EEI+T is a switch-mode lithium-ion (Li+) battery charger that charges one to four cells. It provides a regulated charging current and a regulated voltage with only a ±0.8% total voltage error at the battery terminals. It regulates the voltage set point and charging current using two loops that work together to transition smoothly between voltage and current regulation. The device is available in a space-saving 28-pin QSOP package.

Parametrics

Absolute maximum ratings:(1)CSSP, CSSN, DCIN to GND:-0.3V to +30V;(2)BST, DHI to GND:-0.3V to +36V;(3)BST to LX:-0.3V to +6V;(4)DHI to LX:-0.3V to ((BST - LX) + 0.3V);(5)LX to GND:-0.3V to (CSSN + 0.3V);(6)FULLCHG, FASTCHG, FAULT to GND:-0.3V to +30V;(7)DLO to GND:-0.3V to (VLO + 0.3V);(8)BATT, CS to GND:-0.3V to +20V;(9)PGND to GND, CSSP to CSSN:-0.3V to +0.3V;(10)VL to VLO:-0.3V to +0.3V;(11)VL Source Current:50mA;(12)Operating Temperature Range:-40°C to +85°C;(13)Junction Temperature:+150°C;(14)+150°C:-65°C to +150°C;(15)Lead Temperature (soldering, 10s):+300°C.

Features

Features:(1)Stand-Alone Charger for Up to Four Li+ Cells;(2)±0.8% Accurate Battery Regulation Voltage;(3)Low Dropout: 98% Duty Cycle;(4)Safely Precharges Near-Dead Cells;(5)Continuous Voltage and Temperature Monitoring;(6)<1μA Shutdown Battery Current;(7)Input Voltage Up to +28V;(8)Safety Timer Prevents Overcharging;(9)Input Current Limiting;(10)Space-Saving 28-Pin QSOP;(11)300kHz PWM Oscillator Reduces Noise;(12)90% Conversion Efficiency.