Datasheet > MAX14912

MAX14912

更新时间： 2024-11-06 01:18:03

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
30页	733K
描述
Low Power and Heat Dissipation

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中文翻译

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数据手册

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MAX14912 数据手册

MAX14912/MAX14913

Octal High-Speed, High-Side

Switch/Push-Pull Driver

General Description

Beneﬁts and Features

● Low Power and Heat Dissipation

The MAX14912/MAX14913 have eight 640mA smart high-

side switches that can also be configured as push-pull

drivers for high-speed switching. The propagation delay

from input to switching of the high-side/low-side drivers is

1µs (max). Each high-side driver has a low on-resistance

• 230mΩ (max) High-Side R at T = 125°C

• High-Efﬁciency 5V/100mA Buck Regulator

● Fast Switching Ideal for High-Speed Control Systems

• 0.1µs (typ.) Propagation Delay (High-Side Mode)

• 0.5µs (typ.) Propagation Delay (Push-Pull Mode)

• 200kHz Switching-Rate Capability in Push-Pull Mode

• Fast Inductive Load Demagnetization

of 230mΩ (max) at 500mA load current at T = 125°C.

The device is configured and controlled either through pins

or the SPI interface. The SPI interface is daisy-chainable,

which allows efficient cascading of multiple devices. SPI

also supports command mode, for the highest detailed

diagnostic information. The MAX14912 allows configuration

through SPI in parallel and serial setting modes, while

the MAX14913 only supports configuration through SPI in

serial setting mode.

● Robust Operation

• 60V Abs Max V

Rating

• Safe-Demagnetization: Turn-Off of Unlimited Inductance

• IEC61000-4-2 8kV Air Gap/6kV Contact ESD Protection

• ±1kV/42Ω Surge Protection with TVS on VDD

• Robust SPI Interface with Watchdog and CRC

• -40°C to +125°C Ambient Operating Temperature

Range

Open-load detection in high-side mode detects both

open-wire conditions in the switch on/off states, and

LED drivers provide indication of per-channel fault and

status conditions. Internal active clamps accelerate the

shutdown of inductive loads fast in high-side mode.

● Extensive Diagnostics Reduces System Downtime

• Per Driver and Chip Thermal Shutdown

• Open-Wire Detection in High-Side Mode

• Low Supply Voltage Warning

The MAX14912/MAX14913 are available in a 56-pin QFN

8mm x 8mm package.

• Undervoltage Detection

• Overvoltage Detection on OUT

Applications

● Industrial Digital Outputs

• Overcurrent Detection

• LED Drivers for Visual Fault and Output State Indication

● PLC Systems

● Building Automation

● Flexible Interface for Ease of Design

• Serial and/or Parallel Control Interface

• Per-Channel Conﬁguration and Monitoring

• Wide Logic Voltage Range (1.6V to 5.5V)

Ordering Information appears at end of data sheet.

● Small Package and High Integration Enables

Compact High-Density I/O Modules

• 56-Pin QFN 8mm x 8mm Package

• Eight High-Side Switches/Push-Pull Drivers

• Daisy-Chainable SPI Interface

19-7777; Rev 3; 8/16

12 3 4 5 6 7...30

中文翻译

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与MAX14912相关器件

型号	品牌	获取价格	描述	数据表
MAX14912AKN+T	MAXIM	获取价格	Buffer/Inverter Based Peripheral Driver,
MAX14912EVKIT	MAXIM	获取价格	Reverse-Voltage Protection
MAX14913	MAXIM	获取价格	Low Power and Heat Dissipation
MAX14913	ADI	获取价格	八通道、高速、高边开关/推挽式驱动器
MAX14913AKN+T	MAXIM	获取价格	Buffer/Inverter Based Peripheral Driver,
MAX14914	MAXIM	获取价格	Reverse Supply Voltage Protection
MAX14914	ADI	获取价格	具有可设置限流功能、推挽驱动器选项和数字输入配置的高侧开关
MAX14914A	MAXIM	获取价格	Reverse Supply Voltage Protection
MAX14914A	ADI	获取价格	具有可设置限流功能、推挽驱动器选项和数字输入配置的高侧开关
MAX14914ATE+T	MAXIM	获取价格	Buffer/Inverter Based Peripheral Driver,

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