SMH4046 Selling Leads, Price trend, SMH4046 DataSheet download, circuit diagram from SeekIC.com

Features: • Full voltage Control for hot-swap applications - Add-in Card insertion detection - Platform voltage detection• Universal FPGA configuration I/O pins• High Voltage and logic level enable outputs• Active control (ADOCTM) for three downstream DC/DC converters with ...

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SeekIC No. : 004495045 Detail

SMH4046: Features: • Full voltage Control for hot-swap applications - Add-in Card insertion detection - Platform voltage detection• Universal FPGA configuration I/O pins• High Voltage and l...

SMH4046 Data Sheet

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Part Number:: SMH4046
Supply Ability:: 5000

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1~5000

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Negotiable

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15 Days

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Upload time: 2025/12/24

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Product Details

Description

Features:

• Full voltage Control for hot-swap applications
- Add-in Card insertion detection
- Platform voltage detection
• Universal FPGA configuration I/O pins
• High Voltage and logic level enable outputs
• Active control (ADOC^TM) for three downstream DC/DC converters with ±0.5% accuracy
• Margining of three DC/DC converters
• Power-up sequencing of all supply voltages
• Power-down sequencing in Forward or Reverse
• UV and OV sensors per channel with programmable reset and interrupt
• Programmable glitch filter for all channels
• Configuration may be locked
• Auto monitoring of all channels and Ext Temp
• I²C^TMserial bus interface
• Programmable slew rate control
• Integrated 2K EEPROM

Application

• Monitor/Control Distributed and POL Supplies
• Multi-voltage Processors, DSPs, ASICs used in Telecom or server systems

Pinout

Connection Diagram

Specifications

Temperature Under Bias .................................................................. -55°C to 125°C
Storage Temperature........................................................................ -65°C to 150°C
Terminal Voltage with Respect to GND:
                       VCC3/5 Supply Voltage ..................................................-0.3V to 6.0V
                       VCC12 Supply Voltage .................................................-0.3V to 15.0V
                       Open Drain Outputs.............................................. GND to 15.0V
                       All Others ..........................................................................V_DD + 0.7V
Output Short Circuit Current .......................................................................... 100mA
Reflow Solder Temperature (30 secs)............................................................. 240°C
Lead Solder Temperature (10 secs) ........................................................300°C
Junction Temperature..................................................................................150°C
ESD Rating per JEDEC.......................................................................2000V
Latch-Up testing per JEDEC................................................................±100mA

Description

The SMH4046 is an all-inclusive power management controller that integrates hot swap protection of three positive-voltage supplies (+12V or less). In addition to hot swapping three bus voltages, it provides sequencing and Active DC Output Control (ADOC^TM) of three on-card DC-DC converters as used in blade servers and Telecom systems. It can also upload configuration code from the host to on-card FPGAs.

All six channels can cascade-sequence during powerup in any order as set by either hardware or firmware; and sequence down in forward or reverse order. ADOC^TM control of the three SMH4046 DC/DC converters maintains their accuracy to within ±0.5% of the set point using an internal voltage reference. ADOCTM is also included during "margining" to allow card-by-card performance evaluation during production with arbitrary setting within ±10% in any combination.

A full set of monitoring and control features are included, with user programmability that can be locked. The SMH4046 uses the I²C bus interface for programming and FPGA configuration.

SMH4046

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