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The SMH4042A is a fully integrated hot swap controller that provides complete power control for add-in cards ranging in use for basic hot swap systems to high availability CompactPCI systems. It detects proper insertion of the card and senses valid supply voltage levels at the backplane. Utilizing external low on-resistance N-channel MOSFETs, card power is .
l Full Voltage Control for Hot Swap Applications w 15V High Side Driver Generation Allows use of Low On Resistance N-Channel FETs w Under-Voltage Lockout w Electronic Circuit Breakers w Card Insertion Detection w Host VCC Detection w Card Voltage Sequencing l Flexible Reset Control w Low Voltage Resets w Host Reset Filtering w Soft Reset l Adjustable Power On Slew Rate l Suppoprts Mixed Voltage Cards l Two Wire I2C Serial Data Interface w 4k-Bit E2PROM Memory
FUNCTIONAL BLOCK DIAGRAM
28 VCC BD_SEL1# BD_SEL2# 3 8 10 11 19 18 24 ISLEW A0 A1 A2 SCL SDA CBI_3
– +
13 12
1VREF VGATE3 EEPROM Memor.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | SMH4042 |
Summit Microelectronics |
Hot Swap Controller |
|
| 2 | SMH4044 |
Summit Microelectronics |
Compact PCI Hot-Swap Controller |
|
| 3 | SMH4046 |
Summit Microelectronics |
Active DC Output Control (ADOCTM) Power Manager |
|
| 4 | SMH4527 |
Stackpole |
Surface Mount Wirewound Resistor |
|
| 5 | SMH4802 |
Summit Microelectronics |
Programmable -48V Hot-Swap Controller |
|
| 6 | SMH4803 |
Summit Microelectronics |
Distributed Power Hot-Swap Controller |
|
| 7 | SMH4803A |
Summit Microelectronics |
Distributed Power Hot-Swap Controller |
|
| 8 | SMH4804 |
Summit Microelectronics |
-48V Programmable Hot Swap Sequencing Power Controller |
|
| 9 | SMH4811A |
Summit Microelectronics |
DISTRIBUTED POWER HOT SWAP CONTROLLER |
|
| 10 | SMH4812 |
Summit Microelectronics |
Distributed Power Hot-Swap Controller |
|
| 11 | SMH4814 |
Summit Microelectronics |
Dual Feed Active-ORing Programmable Hot Swap Controller |
|
| 12 | SMH320FL-C |
SeCoS |
3.0 Amp Surface Mount Schottky Barrier Rectifiers |
|