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DS2715

Dallas Semiconducotr
Part Number DS2715
Manufacturer Dallas Semiconducotr
Description NiMH Battery Pack Charge Controller
Published Dec 29, 2006
Detailed Description www.DataSheet4U.com DS2715 NiMH Battery Pack Charge Controller www.maxim-ic.com DESCRIPTION The DS2715 is well suited ...
Datasheet PDF File DS2715 PDF File

DS2715
DS2715

Overview
www.
DataSheet4U.
com DS2715 NiMH Battery Pack Charge Controller www.
maxim-ic.
com DESCRIPTION The DS2715 is well suited for cost-sensitive charger applications where the battery is either internal or in a unique battery pack.
It has been optimized for safe reliable charging of 1 to10 NiMH cells in series.
The DS2715 has an internal gain block that can be selected as either a comparator or transconductance amplifier for charge current regulation.
The DS2715 is configurable as a switched DC charger, a linear current regulator, or a switchmode current source.
The DS2715 pre-conditions severely depleted cells are pre-conditioned before entering full charge mode.
The DS2715 terminates full charge using the dT/dt technique.
It requires an external thermistor for dT/dt detection.
Over-temperature, under-temperature, and over-voltage detection prevents charging under unsafe environmental conditions.
A user selectable charge timer allows charge rates from 0.
15C to 2C.
Fast-charge, top-off and charge done modes are included for highly reliable, safe charging of NiMH cells.
Discharge mode allows the DS2715 to enter a low power sleep state while the cell pack is being discharged.
PIN CONFIGURATION CBIAS CC1 VCH CC2 VSS LED1 LED1 VSS LED2 LED2 VSS CSOUT CTG VN1 CTG VN0 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 V BATT VP2 THM VP1 R T THM2 V DD THM1 SNSVDD SNS+ TMR DIV CTST MODE DMSEL 16 SO See Table 1 for Ordering Information.
Table 1.
ORDERING INFORMATION PART DS2715Z+ DS2715Z+T&R MARKING DS2715+ DS2715+ PIN-PACKAGE 16 SO 16 SO Tape-and-Reel FEATURES § § § § § § § § § Charges 1 to 10 NiMH Cells Fast Charges up to a 2C Rate Pre-Charge and Top-Off Charge Modes Help Cell Conditioning Load Detection Allows the DS2715 to Enter Low Power Sleep Mode (Less than 10µA) while the Cell Pack is Discharged dT/dt Charge Termination Eliminates Cell Charge Stress Monitors Voltage, Temperature, and Time for Safety and Secondary Termination Regulates Current through Either Linear Control or Swit...


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