MAX14915

PRODUCTION

Compact Industrial Octal High-Side Switch with Diagnostics

Industry's Smallest Octal Industrial High Side Switch with Diagnostics

Data Sheet (Rev. 0) Product Selection Table

Part Models: 2
1ku List Price: Starting From $5.99

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Overview

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 for Diagnostics Checking
Open-Wire Detection, Both with Switches On and Off
Undervoltage Detection with UVLO
Loss of V_DD or GND Protection
Thermal Shutdown Protection
Integrated ±1kV/42Ω IEC61000-4-5 Surge Protection
-40°C to +125°C Operating Ambient Temperature

Reduces Power and Heat Dissipation

250mΩ (Max) On-Resistance at T_A = 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
- Flexible Logic Voltage Interface from 2.5V to 5.5V

Compact 6mm x 6mm QFN Package

The MAX14915 has eight high-side switches specified to deliver up to 700mA continuous current. The high-side switches have on-resistance of 250mΩ (max) at 125°C ambient temperature.

The SPI interface has a built-in chip addressing decoder, allowing communication with multiple MAX14915s utilizing a common SPI chip select (active-low CS).

The SPI interface provides flexibility for global and per-channel configuration and diagnostic, including over and undervoltage detection, open wire/load detection, overload and current limiting reporting, thermal conditions reporting, and more.

Open load detection detects both open-wire/open-load conditions with switches in the on and off states. LED drivers provide indication of per-channel fault, status, and supply undervoltage conditions. Internal active clamps allow for fast turn-off of inductive loads.

Integrated line-to-ground and line-to-line surge protection only requires a TVS on V_DD.

The MAX14915 is available in a compact 48-pin 6mm x 6mm QFN package.

Applications

Industrial Digital Outputs
PLC Systems

Part Models: 2
1ku List Price: Starting From $5.99

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX14915AFM+	LFCSP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX14915AFM+T	LFCSP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Nov 19, 2024 - 2439 WAFER FAB
		pcn_2439
MAX14915AFM+	PRODUCTION
MAX14915AFM+T	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Tools & Simulations

Software Development 1

MAX14915_6_7EVKIT Software, 1.14.0

IBIS Model 1

MAX14915 IBIS Model

Evaluation Kits

Evaluation Kit for the MAX14915

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Features and Benefits

Robust Operation with Wide Range Of Input Voltages and Load Conditions
VDDOK Indication
LED Indication of Channels Status and Fault Conditions
Fast Inductive Load Demagnetization
Open-wire, Overload, Undervoltage, Overcorrect, Thermal Shutdown Fault Conditions Indication
Supports Watchdog and SYNCH Features
Communication Error Indication
Wide Logic Voltage Range
Pin Addressable SPI Communication
-40°C to +125°C Temperature Range
Proven PCB Layout
Fully Assembled and Tested
Windows 10 Compatible Software

Product Details

The MAX14915 evaluation kit (EV kit) provides a proven design to evaluate the MAX14915, octal high-side switch with extended diagnostics. The EV kit includes the MAX14915 evaluation board and a graphical user interface (GUI) that provides communication from a PC to the target device through a USB port and the USB2GPIO interface board. The USB2GPIO EV kit should be ordered separately.

The GUI is compatible with Windows 10 for exercising the features of the MAX14915 IC. The EV kit GUI allows individually controlling of eight high-side switches through the high-speed SPI interface and receive a diagnostic information from the MAX14915, including open-wire/ open-load conditions, state of the output channels, multiple undervoltage alarms, global and per channel overtemperature alarms, and multiple fault alarms.

The MAX14915 EV kit must be powered from an external +24V power supply and can consume more than 10A when fully loaded. The USB2GPIO interface board is powered from the USB port.

The MAX14915 EV kit board comes with a MAX14915AFM+ installed in a 48-pin, 6 x 6mm FC2QFN package.

Applications