Datasheet > MAX1660

MAX1660

更新时间： 2024-09-23 22:57:59

品牌	Logo	应用领域
美信 - MAXIM		仪表
页数	文件大小	规格书
20页	245K
描述
Digitally Controlled Fuel-Gauge Interface

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数据手册

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MAX1660 数据手册

19-1308; Rev 1; 10/98

Dig it a lly Co n t ro lle d

Fu e l-Ga u g e In t e rfa c e

MAX160

Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

The MAX1660 digitally controlled fuel-gauge interface

executes two essential functions for rechargeable bat-

tery-pack management: fuel gauging and pack overcur-

rent protection. It accurately monitors a battery pack’s

charge and discharge current flow, and records each

using two independent, on-board Coulomb counters.

Each counter’s contents are externally accessible via a

System Management Bus (SMBus™)-compatible 2-wire

serial interface. An optional third wire interrupts the

microcontroller (µC) when the charge or discharge

counters reach a preset value, or when an overcurrent

condition (charge or discharge) occurs. In the event of

an overcurrent or short-circuit condition, the MAX1660

disconnects the load and alerts its host. The MAX1660’s

flexibility allows accurate fuel gauging for any battery

chemistry, using any desired control algorithm.

♦ 1% Accuracy over a 600µA to 4A Current Range

= 30mΩ)

SENSE

♦ 5µV Input Offset Voltage (28µV max)

♦ SMBus 2-Wire (plus optional interrupt)

Serial Interface

♦ 2.00V Precision System Reference Output

♦ 3.3V Linear-Regulator Output Powers External

Circuitry

♦ Two Micropower Shutdown Modes

♦ Independent 32-Bit Charge and Discharge

Coulomb Counters

♦ Battery-Overcharge/Overdischarge Protection

♦ Battery Short-Circuit/Overcurrent Protection

♦ On-Board Power MOSFET Drivers

♦ 80µA Quiescent Current

The MAX1660 operates with battery voltages from +4V

to + 28V a nd p rovid e s two mic rop owe r s hutd own

modes, increasing battery lifetime. To minimize total

parts count, the device integrates a precision 2.00V

system-reference output, a 3.3V linear-regulator output

that can supply up to 5mA to power external circuitry,

and a power-on reset output for the system µC. The

MAX1660 is available in a 16-pin QSOP package.

♦ <1µA Shutdown Current

♦ Small 16-Pin QSOP Package

(same board area as 8-pin SO)

Ord e rin g In fo rm a t io n

________________________Ap p lic a t io n s

Smart-Battery Packs

Battery-Pack Fuel Gauging

PART

TEMP. RANGE

PIN-PACKAGE

MAX1660EEE

-40°C to +85°C

16 QSOP

Battery-Pack Overcurrent Digital Current-Sense

Protection

Instrumentation

Pin Configuration appears at end of data sheet.

Industrial-Control System

Interfaces

Analog-to-Digital

Conversion

___________________________________________________Typ ic a l Op e ra t in g Circ u it

PACK+

OCO

BATT

ODO

SHDN

AGND

REF

MAX1660

GND

µC

SCL

SDA

OCI

ODI

INT

RST

GND

PACK-

SMBus is a trademark of Intel Corp.

*Patent pending

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...20

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与MAX1660相关器件

型号	品牌	获取价格	描述	数据表
MAX16602	ADI	获取价格	VR13.HC和AI内核双路输出稳压器芯片组
MAX1660EEE	MAXIM	获取价格	Digitally Controlled Fuel-Gauge Interface
MAX1660EEE+T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PDSO16, 0.150 INCH, 0.025 INCH PITCH, QSOP
MAX1660EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1660
MAX1661	MAXIM	获取价格	Active-Matrix Liquid Crystal Display AMLCD Supply
MAX16610	ADI	获取价格	带集成驱动器的开关式储能转换器(STC)控制器
MAX16610A	ADI	获取价格	带集成驱动器的开关式储能转换器(STC)控制器
MAX1661EUB	MAXIM	获取价格	TRIPLE MOSFET DRIVER\|BICMOS\|TSSOP\|10PIN\|PLASTIC
MAX1661EUB-T	MAXIM	获取价格	Switching Controller, Voltage-mode, PDSO10, UMAX-10
MAX1661-MAX1663	MAXIM	获取价格	Serial-to-Parallel/Parallel-to-Serial Converters and Load-Switch Controllers with SMBus In

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