TPS2346 Datasheet - Texas Instruments

TPS2346, OPTICAL NETWORK HOT SWAP POWER MANAGER

TPS2346 OPTICAL NETWORK HOT SWAP POWER MANAGER SLUS529 * MAY 2002 .
The TPS2346 Optical Network Hot Swap Power Manager (HSPM) provides highly-integrated supply control of three positive (3.

Features

* D Enables Hot Swap in High Availability Optical Network Systems D Programmable Current Slew Rate D Power Supply Sequencing D Sense Resistors Set Peak Current (IMAX) D Overcurrent Circuit Breaker at 2× IMAX D Precharge Output D Logic Low Power Good Output D Logic Low Enable Input D On-Chip Charge Pum

Applications

* D Hot Swap of ONET Modules D Supply Power-Up/Power-Down Sequencing BACKPLANE BACK
* END POWER PLANES 5.15V 5V ENABLE PG GND 3.3 V
* 5.2 V AD[00] AD[XX:01] R1 Q1 PLUG
* IN MODULE 3 mΩ R2 2 mΩ Q2 R6 R7 10 kΩ 1.2 kΩ C1 0.1 µF C2 0.39 µF D2 6.8 V D1 6.8 V VIN1 CS1 GATE1 VS1

TPS2346-etcTI.pdf