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LTC4150

Features: Indicates Charge Quantity and Polarity±50mV Sense Voltage RangePrecision Timer Capacitor or Crystal Not Required2.7V to 8.5V OperationHigh Side Sense32.55Hz/V Charge Count Frequency1.5µA Shutdown Current10-Pin MSOP PackageApplicationBattery ChargersPalmtop Computers and PDAsCellula...

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SeekIC No. : 004402467 Detail

LTC4150: Features: Indicates Charge Quantity and Polarity±50mV Sense Voltage RangePrecision Timer Capacitor or Crystal Not Required2.7V to 8.5V OperationHigh Side Sense32.55Hz/V Charge Count Frequency1.5&mic...

LTC4150 Data Sheet

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Part Number:
LTC4150
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Indicates Charge Quantity and Polarity
±50mV Sense Voltage Range
Precision Timer Capacitor or Crystal Not Required
2.7V to 8.5V Operation
High Side Sense
32.55Hz/V Charge Count Frequency
1.5µA Shutdown Current
10-Pin MSOP Package


Application

Battery Chargers
Palmtop Computers and PDAs
Cellular Telephones and Wireless Modems


Pinout

Connection Diagram


Specifications

Supply Voltage (VDD)...........................................0.3V to 9V
Input Voltage Range
Digital Inputs (CLR</a>, SHDN</a>)........0.3V to (VDD+ 0.3)
SENSE, SENSE+, CF, CF+......................0.3V to (VDD+ 0.3)
Output Voltage Range
Digital Outputs (INT</a>, POL).............................0.3V to 9V
Operating Temperature Range
LTC4150CMS...........................................................0 to 70
LTC4150IMS.......................................................40 to 85
Storage Temperature Range.............................65 to 150
Lead Temperature (Soldering, 10 sec)................           ..300





Description

The LTC®4150 measures battery depletion and charging in handheld PC and portable product applications. The de-vice monitors current through an external sense resistor between the battery's positive terminal and the battery's load or charger. A voltage-to-frequency converter trans-forms the current sense voltage into a series of output pulses at the interrupt pin. These pulses correspond to a fixed quantity of charge flowing into or out of the battery.The part also indicates charge polarity as the battery is depleted or charged.

The LTC4150 is intended for 1-cell or 2-cell Li-Ion and 3-cell to 6-cell NiCd or NiMH applications.




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