TPS23841PAPR ,High Power Wide Voltage Range Quad Port Ethernet Power Sourcing Equipment Manager 64-HTQFP -40 to 125SLUS745A–NOVEMBER 2006–REVISED MAY 2007DESCRIPTION (CONTINUED)The TPS23841 has three internal suppl ..
TPS23841PJD ,High Power Wide Voltage Range Quad Port Ethernet Power Sourcing Equipment Manager 64-HTQFP -40 to 125FEATURES APPLICATIONS• Medical/Industrial Applications at 24 V• Quad-Port Power Management With Int ..
TPS2384PAP ,Quad Ethernet Power Sourcing Equipment Power Managerthermal characteristics and to prevent noise injection fromunused pins.(3) NIC pins next to CINT pi ..
TPS2384PAP ,Quad Ethernet Power Sourcing Equipment Power ManagerElectrical Characteristics....... 713 Device and Documentation Support........ 497.6 Timing Require ..
TPS2384PAPG4 ,Quad Ethernet Power Sourcing Equipment Power Manager 64-HTQFP -40 to 125Electrical Characteristics....... 9• Added values for Discovery1,2 A/D conversion time in Timing Re ..
TPS2384PAPR ,Quad Ethernet Power Sourcing Equipment Power ManagerFeatures... 19.4 Device Functional Modes.... 152 Applications..... 19.5 Programming..... 313 Descri ..
TS87C51RB2-MCB , High Performance 8-bit Microcontroller
TS87C51RB2-MCB , High Performance 8-bit Microcontroller
TS87C51RB2-MCB , High Performance 8-bit Microcontroller
TS87C51RC2 ,High performance 8-bit microcontroller 32 Kbytes OTPFeatures• 80C52 Compatible • Hardware Watchdog Timer (One-time enabled withReset-Out)• 8051 pin and ..
TS87C51RC2-MCB , High Performance 8-bit Microcontroller
TS87C51RC2-MCB , High Performance 8-bit Microcontroller
TPS23841PAPR-TPS23841PJD
High Power Wide Voltage Range Quad Port Ethernet Power Sourcing Equipment Manager
TPS23841 www.ti.com SLUS745A–NOVEMBER 2006–REVISED MAY 2007 HIGH-POWER, WIDE VOLTAGE RANGE, QUAD-PORT ETHERNET POWER SOURCING EQUIPMENT MANAGER FEATURES APPLICATIONS • Medical/Industrial Applications at 24 V • Quad-Port Power Management With Integrated Switches and Sense Resistors • High Power Ethernet Enterprise Switches • High Power PoE up to 25 W at PD Input • SOHO Hubs, Ethernet Hubs Operating from a 53-V Minimum Input Power • Ethernet High Power Mid-Spans Rail • High Power PSE Injectors • Wide Range Single Supply: 21.5 V up to 57 V DESCRIPTION • I = 615 mA, I = 650 mA Nominal CUT LIM • IEEE 802.3af Compatible The TPS23841 is a high-power, wide voltage range, quad-port sourcing equipment manager. The • Individual Port 15-bit A/D Converters TPS23841 can provide up to 570 mA per port over a • Auto, Semi-Auto and Power Management wide temperature range (-40°C to +125°C). Each Modes port may operate from 21.5 V up to 57 V. The • Controlled Current Ramp Power-Up/Down for integrated output eliminates two external components per port (MOSFET and sense resistor) EMI Reduction and survives 100-V transients. Four individual 15-bit • Over-Temperature Protection A/D converters are used to measure signature • DC Disconnect Detection, Supports AC resistance, voltage, current and die temperature, Disconnect resulting in a simple and robust PSE solution. The 2 TPS23841 comes with a comprehensive software • High-Speed 400-kHz I C Interface solution to meet the most demanding applications • Supports Legacy PD Detection which can serve as a core for all PoE system • PowerPAD™ Package designs. • Comprehensive Power Management Software Available for MPS430 Microcontroller TYPICAL APPLICATION PSE PD D1 FB1 F1 Up to 100m +55V Z of CAT 5A RJ45 RJ45 TX 3 3 TX VDD TPS2376-H Px 6 6 DET High-current High-current PoEXfmr PoEXfmr C1 CLASS TPS23841 1 1 DC/DC RTN Converter RX 2 2 RX VSS Nx Z 4 4 FB2 5 5 SCL Optional V RETx POE SDA_I MSP430 7 7 RTN Micro SDA_O 8 8 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2007, Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
