Overview
The MAX14919/MAX14919A, produced by Analog Devices Inc./Maxim Integrated, is a quad industrial-protected low-side switch designed for robust and reliable performance in various industrial applications. This component features four independent low-side switches, each with a typical on-resistance of 140mΩ and a load current capability of up to 800mA per channel. The device is available in 20-TSSOP and 20-TQFN packages, ensuring a compact footprint while maintaining a wide operating temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| On-Resistance (RON) | 140 | mΩ (typ) |
| Load Current per Channel | 800 | mA |
| Supply Voltage Range | 5V to 60V | V |
| Logic Supply Input Range | 1.62V to 5.5V | V |
| Load Voltage Range | 5V to 48V | V |
| Switching Rates | Up to 500kHz | |
| Supply Current | 1.7 | mA (typ) |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Types | 20-TSSOP, 20-TQFN |
Key Features
Low On-Resistance: Each channel features a typical on-resistance of 140mΩ, ensuring minimal voltage drop and efficient power handling.
High Load Current: Capable of handling up to 800mA load current per channel.
Integrated Linear Regulator: Includes a 5V/30mA linear regulator for logic supply.
Robust Design: Internal inductive energy clamp at 55V (typ), short-circuit protection, and reverse current detection.
Flexible Switching Rates: Supports switching rates up to 500kHz.
Settable Load Current Limit: Allows for adjustable load current limits to suit various application needs.
Compact Packaging: Available in 20-TSSOP and 20-TQFN packages, suitable for space-constrained designs.
Applications
Industrial Digital Outputs
Relay and Solenoid Drivers
PLC and DCS Systems
Motor Control
Q & A
- What is the typical on-resistance of the MAX14919/MAX14919A?
The typical on-resistance of the MAX14919/MAX14919A is 140mΩ per channel.
- What is the maximum load current per channel for the MAX14919/MAX14919A?
The maximum load current per channel is up to 800mA.
- What is the operating temperature range of the MAX14919/MAX14919A?
The operating temperature range is -40°C to +125°C.
- Does the MAX14919/MAX14919A have integrated protection features?
Yes, it includes internal inductive energy clamp, short-circuit protection, and reverse current detection.
- What are the available package types for the MAX14919/MAX14919A?
The device is available in 20-TSSOP and 20-TQFN packages.
- What is the supply voltage range for the MAX14919/MAX14919A?
The supply voltage range is from 5V to 60V.
- Can the load current limit be set on the MAX14919/MAX14919A?
Yes, the load current limit is settable to accommodate different application requirements.
- What are some common applications for the MAX14919/MAX14919A?
Common applications include industrial digital outputs, relay and solenoid drivers, PLC and DCS systems, and motor control.
- Does the MAX14919/MAX14919A support high switching rates?
Yes, it supports switching rates up to 500kHz.
- Is there an integrated linear regulator in the MAX14919/MAX14919A?
Yes, it includes a 5V/30mA linear regulator for logic supply.
