IR Introduces Highly Integrated AUIR3330S Intelligent Power Switch with Active di/dt control for Automotive Motor Control

International Rectifier AUIR3330S

International Rectifier introduced the AUIR3330S Intelligent Power Switch (IPS) with a proprietary active di/dt control feature that significantly reduces conducted EMI and switching losses to simplify design and reduce overall system cost in automotive motor drive applications.

The new 40 V high-side device combines bootstrap regulator, charge pump and high-side driver into a single package to offer a highly integrated solution. The load can be driven up to 40 kHz at 100 percent of duty cycle. Additionally, the AUIR3330S features programmable over-current and over-temperature protection required by applications operating in harsh automotive environments such as pumps and fans. The AUIR3330S also features current sensing feedback, a diagnostic function, very low current consumption in sleep mode and ESD protection.

International Rectifier - AUIR3330S

The device is qualified according to AEC-Q100 standards, features an environmentally friendly, lead-free and RoHS compliant bill of materials, and is part of IR’s automotive quality initiative targeting zero defects.

Specifications

Part Number
Package
Rdson
(max at 25°C)
Programmable
Over-current
shutdown
TJ
Breakdown
voltage
OC/OT
Protection type
AUIR3330S
D2PAK 7-Lead
3.5mohm
5 to 50A
150C
40V
Shutdown
 

Typical AUIR3330S Connection

Typical AUIR3330S Connection

Availability and Pricing

Available in a D2PAK package, pricing for the AUIR3330S begins at US $1.50 in 100,000-unit quantities. Production orders are available immediately. Prices are subject to change.

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