Datasheet > MAX17841BGUE

MAX17841BGUE

更新时间： 2024-09-09 02:52:55

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
33页	1345K
描述
Automotive SPI Communication Interface (ASCI)

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MAX17841BGUE 数据手册

EVALUATION KIT AVAILABLE

MAX17841B

Automotive SPI Communication Interface (ASCI)

General Description

Beneﬁts and Features

●ꢀ SupportsꢀMaxim’sꢀBatteryꢀManagementꢀUARTꢀ

The MAX17841B ASCI combines an SPI port with

a universal asynchronous receiver transmitter (UART)

specially designed to interface with Maxim battery

management devices.

Protocol

●ꢀ SPIꢀInterfaceꢀUpꢀtoꢀ4MHz

●ꢀ UARTꢀBaudꢀRateꢀProgrammableꢀUpꢀtoꢀ2Mbps

●ꢀ 3.3Vꢀorꢀ5VꢀOperation

The UART can be configured to automatically

performManchesterencoding/decoding,messageframing,

parity, wake-up, and keep-alive signaling as required for

Maxim’s battery management UART protocol.

●ꢀ Ultra-LowꢀQuiescentꢀCurrent

●ꢀ TransmitꢀandꢀReceiveꢀBuffersꢀwithꢀProgrammableꢀ

InterruptsꢀAllowꢀforꢀQueuingꢀofꢀUARTꢀMessages

The UART has programmable baud rates of 0.5Mbps,

1Mbps, or 2Mbps and supports either single-ended or

differential signaling. For host efficiency, the UART

contains a 28-byte transmit buffer and a 62-byte receive

buffer with host-configurable interrupt events.

●ꢀ ManchesterꢀEncoderꢀandꢀDecoderꢀReducesꢀHostꢀ

Controller Burden

●ꢀ OperatingꢀTemperatureꢀRangeꢀfromꢀ-40°Cꢀtoꢀ+105°Cꢀ

(AEC-Q100ꢀTypeꢀ2)

●ꢀ SupportsꢀASILꢀRequirements

Applications

●ꢀ BatteryꢀManagementꢀSystemsꢀ(BMS)

●ꢀ ElectricꢀandꢀHybridꢀVehiclesꢀ(EV/HEV)

●ꢀ EnergyꢀStorageꢀSystemsꢀ(ESS)

Ordering Information appears at end of data sheet.

Simpliﬁed Operating Circuit

MASTER

SLAVE(S)

5V DC

DCIN

DDL

SUPPLY

1µF

GNDL

0.1µF

1µF

AGND

ISOLATORS

1.5kΩ

RXP

MAX178xx

15pF

MAX17841B

TXPL

TXNL

100kΩ

RXN

BATTERY

MANAGEMENT

DEVICE

MISO

MOSI

SCLK

DOUT

DIN

SCLK

47Ω

TXP

TXN

SYSTEM

µP

RXPL

RXNL

100kΩ

IRQ

INT

100Ω

GPIO

SHDN

0.01µF

19-6790; Rev 2; 1/15

12 3 4 5 6 7...33

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