Datasheet > MAX14916A

MAX14916A

更新时间： 2024-03-03 10:11:27

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亚德诺 - ADI		/
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描述
Compact Industrial Octal 1A/Quad 2A High-Side Switch with Diagnostics

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Compact Industrial Octal 1A/Quad 2A

High-Side Switch with Diagnostics

MAX14916, MAX14916A

General Description

Beneﬁts and Features

The MAX14916 and MAX14916A are equipped with

eight high-side switches with an on-resistance of only

120mΩ (typ), or 250mΩ (max) at 125°C ambient tem-

perature. Each channel is specified to handle up to 1.1A

(MAX14916) or 1.5A (MAX14916A) of continuous current.

Similarly, two adjacent channels can be driven together to

form four 2.4A (MAX14916) or 3A (MAX14916A) switches.

● MAX14916 Current Limit, 1.1A (min) or 1.38A (typ)

● MAX14916A Current Limit, 1.5A (min) or 2A (typ)

● Robustness and Smart Diagnostics

• 65V Absolute Maximum Supply Range

• Internal Clamps for Fast Inductive Load

Demagnetization

• CRC Error Checking on the SPI Interface

• Watchdog Timer

• Open-Wire Detection, with Switches Both in ON and

OFF States

The SPI interface has a built-in chip addressing decoder,

allowing communication with up to four MAX14916 or

MAX14916A devices utilizing a common SPI chip select

(CS).

• Undervoltage Detection with UVLO

• Loss of V

or GND Protection

The SPI interface provides flexibility for global and

per-channel configuration and diagnostic, including

undervoltage detection, open-wire detection, overload

and current limiting reporting, thermal conditions report-

ing, and more.

• Thermal Shutdown Protection

• Integrated ±1kV/42Ω IEC61000-4-5 Surge

Protection

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

● Reduces Power and Heat Dissipation

Each channel is equipped with open-wire detection that

can detect an open-load in both switch on and off states.

LED drivers provide indication of per-channel fault, sta-

tus, and supply undervoltage conditions. Internal active

clamps allow for fast turn-off of inductive loads.

• 250mΩ (max) On-Resistance at T = 125°C

• 2mA (typ) Supply Current

• Accurate Output Current Limiting

● Flexibility

• Addressable SPI Interface Reduces Isolation Cost

• SYNCH Input for Simultaneous Update of Switches

• LED Driver Matrix for 16 LEDs, Powered by 24V,

5V, or 3.3V

Integrated line-to-ground and line-to-line surge protection

only requires a single TVS on V . Integrated surge pro-

tection works for quad and octal configuration.

• Flexible Logic Voltage Interface from 2.5V to 5.5V

The MAX14916 and MAX14916A are available in a com-

pact 48-pin 6mm x 6mm QFN package.

● Compact 6mm x 6mm QFN Package

Applications

● Industrial Digital Outputs

● PLC Systems

Ordering Information appears at end of data sheet.

19-100575; Rev 1; 6/23

One Analog Way, Wilmington, MA 01887 U.S.A.

Tel: 781.329.4700

12 3 4 5 6 7...42

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