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SMH4042

Features: • Full Voltage Control for Hot Swap Applications CompactPCI High Availability Compatible - On-board 15V High Side Driver Generation Allows use of Low On-resistance N-Channel FETS - Undervoltage Lockout - Electronic Circuit Breakers - Card Insertion Detection -Host VCC Detection -...

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SeekIC No. : 004495042 Detail

SMH4042: Features: • Full Voltage Control for Hot Swap Applications CompactPCI High Availability Compatible - On-board 15V High Side Driver Generation Allows use of Low On-resistance N-Channel FETS -...

SMH4042 Data Sheet

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Part Number:
SMH4042
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

• Full Voltage Control for Hot Swap Applications
  CompactPCI High Availability Compatible
   - On-board 15V High Side Driver Generation
     Allows use of Low On-resistance N-Channel FETS
   - Undervoltage Lockout
   - Electronic Circuit Breakers
   - Card Insertion Detection
   - Host VCC Detection
   - Card Voltage Sequencing
• Flexible Reset Control
   - Low Voltage Resets
   - Host Reset Filtering
   - Soft Reset
• Adjustable Power-on Slew Rate
• Supports Mixed Voltage Cards
• Integrated 4K Bit 2-Wire E2PROM Memory
   - Data Download™ Mode [Simplifies
     Downloading of Configuration Memory into
     Interface ASIC or MCU]


Application

• CompactPCI Hot Swap Control
• VME Live Insertion Control


Pinout

Connection Diagram


Specifications

Temperature Under Bias

-55°C to +125°C

Storage Temperature

-65°C to +150°C

Voltage on :  

HST_3V_MON, CARD_3V_MON
VCC, CARD_5V_MON

7V

SGNL_VLD#, HEALTHY# &
LOCAL_PCI_RESET#

7V

VGATE3, VGATE5, DRVREN#

16V

RESET

VCC +.7V

All Others

VCC +.7V

Output Short Circuit Current

100mA

Lead Solder Temperature (10 secs)

300°C




Description

The SMH4042 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 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 ramped by two high-side driver outputs that are slew-rate limited at 250V/s.

The SMH4042 continuously monitors the host supplies, the add-in card supplies and the add-in card current. If the SMH4042 detects the current is higher than the programmed value it will shut down the MOSFETs and issue a fault status back to the host.

The on board E2PROM can be used as configuration memory for the individual card or as general purpose memory. The proprietary DataDownload mode SMH4042 provides a more direct interface to the E2PROM, simplifying access by the add-in card's controller or ASIC.




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