Embarking as the first power over Ethernet (PoE) management device that allows multi-port systems to deliver up to 25W of power over Ethernet cables, the TPS23841 quad-port PoE IC provides power management and protection, while delivering up to 665 mA per port via input voltages from 21.5V to 57V. With an operating temperature range from -40°C to +125ºC, the device is appropriate for commercial, industrial, medical, and military applications, and its wide input voltage supports emerging 24V medical and industrial designs. To ease design chores, the chip also integrates switches, sense resistors, and four 15-bit a/d converters. Additionally, it offers three different options, automatic mode, semi-auto mode, or manual operation, to meet specific PoE system requirements. While in manual mode, the TPS23841 can work with a microcontroller. Available now in a 64-pin HTQFP, pricing is $7.50 each/1,000. TEXAS INSTRUMENTS INC., Dallas, TX. (800) 477-8924.
Company: TEXAS INSTRUMENTS INC.
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