DS2715

更新时间： 2024-09-16 06:54:39

品牌	Logo	应用领域
美信 - MAXIM		电池控制器
页数	文件大小	规格书
17页	343K
描述
NiMH Battery Pack Charge Controller

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DS2715 数据手册

19-4592; 4/09

DS2715

NiMH Battery Pack Charge Controller

www.maxim-ic.com

DESCRIPTION

PIN CONFIGURATION

The DS2715 is well suited for cost-sensitive charger

applications where the battery pack is either internal

or external to the application. It has been optimized for

safe and reliable charging of 1 to 10 NiMH cells in

series. The internal gain block can be selected as

either a comparator or transconductance amplifier for

charge current regulation. This makes the DS2715

configurable as a switched DC charger, a linear

current regulator, or a switchmode current source.

The DS2715 pre-conditions severely depleted cells

before entering full charge mode. It terminates full

charge using the dT/dt technique, which requires an

external sensing thermistor. Over-temperature, under-

temperature, and over-voltage detection prevents

charging under unsafe conditions. A user selectable

charge timer allows charge rates from 0.167C to 2C.

FAST-CHARGE, TOPOFF and 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.

C_BIAS

V_CH

V_BATT

THM

R_T

V_SS

LED1

DNC

V_SS

V_DD

SNS-

SNS+

DIV

CTG

MODE

16 SO

See Table 1 for Ordering Information.

Table 1. ORDERING INFORMATION

PART

MARKING PIN-PACKAGE

D2715

D2715B

DS2715Z+

16 SO

FEATURES

DS2715Z+T&R

DS2715BZ+

DS2715BZ+T&R

Charges 1 to 10 NiMH Cells

FAST-CHARGE at up to a 2C Rate

PRECHARGE and TOPOFF Charge Modes Help

Cell Conditioning

+ Denotes a lead(Pb)-free/RoHS-compliant package.

T&R = Tape and reel.

Load Detection Allows the DS2715 to Enter Low

Power Sleep Mode (Less than 10µA) while the

Cell Pack is Discharged

OPERATIONAL DIAGRAM

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 Switch-Mode Control

LED Output Displays Charge State

Small 16-Pin SO Package

APPLICATIONS

Portable DVD Players

Portable Television Sets

Handheld Gaming

Test Equipment

Handheld POS Terminals

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.

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与DS2715相关器件

型号	品牌	获取价格	描述	数据表
DS2715B2+	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO16, ROHS COMPLIANT, SOP-16
DS2715B2+T&R	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO16, ROHS COMPLIANT, SOP-16
DS2715BZ+	MAXIM	获取价格	NiMH Battery Pack Charge Controller
DS2715BZ+T&R	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO16, ROHS COMPLIANT, SOP-16
DS2715BZ+TR	MAXIM	获取价格	NiMH Battery Pack Charge Controller
DS2715Z	DALLAS	获取价格	NiMH Battery Pack Charge Controller
DS2715Z+	MAXIM	获取价格	NiMH Battery Pack Charge Controller
DS2715Z+TR	MAXIM	获取价格	NiMH Battery Pack Charge Controller
DS2720	DALLAS	获取价格	Efficient, Addressable Single-Cell Rechargeable Lithium Protection IC
DS2720	MAXIM	获取价格	Efficient, Addressable Single-Cell Rechargeable Lithium Protection IC

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