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MAX5915, MAX5915A, MAX5916, MAX5916A
Dual PCI 2.2 Hot-Swap Controllers
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Status
Active: In Production.
Description
The MAX5915/MAX5915A/MAX5916/MAX5916A dual
PCI 2.2 hot-swap controllers allow for safe insertion and
removal of two PCI cards into live PCI slots or backplanes
by limiting the inrush current at startup. After
startup, these devices provide protection against short-circuit,
overcurrent, and undervoltage conditions.
The MAX5915/MAX5915A/MAX5916/MAX5916A provide
independent power controls for +3.3V, +5V, ±12V,
and +3.3V auxiliary supplies of two PCI cards. These
devices provide intelligent selective thermal shutdown
control that shuts down the channel with an overcurrent
fault. All devices include internal power MOSFETs for the
+12V, -12V, and +3.3V auxiliary outputs. These devices
use internal charge pumps to activate the gates of the
internal FETs controlling the +3.3V auxiliary supply.
Internal FETs and current-sense circuitry regulate the
±12V and the +3.3V auxiliary supplies. Channels A and B
operate independently, allowing a single device to monitor
two PCI card slots.
The MAX5915/MAX5915A offer latched fault protection
and the MAX5916/MAX5916A offer autorestart fault protection.
The devices are available in the low-profile
28-pin TSSOP package.
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Data Sheet
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An evaluation kit is available: MAX5915EVKIT
Key Features
- PCI 2.2 Compliant
- Independent Power Controls for +3.3V, +5V, ±12V,
and +3.3V Auxiliary Supplies of Two PCI Cards
- Internal MOSFET Switches for ±12V and +3.3V
Auxiliary Outputs
- Separate ON/OFF Control Input for Each Channel
- Independent +3.3V Auxiliary Output ON/OFF
Control
- Overcurrent Foldback with Timeout and Shutdown
Protection for ±12V and +3.3V Auxiliary Rails with
Status Report
- Brick Wall with Timeout and Shutdown Protection
for +5V and +3.3V Rails with Status Report
- Output Undervoltage Monitoring for +3.3V, +5V,
+12V, and +3.3V Auxiliary Rails with Status Report
- +3.3V Auxiliary Autorestart
- Intelligent Selective Thermal Shutdown Control
Shuts Down Only the Channel with an Overcurrent
Fault
- 28-Pin TSSOP Package
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Applications/Uses
- PCI 2.2 Server
- PCI Server
- RAID
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Key Specifications:
| Hot Swap Controllers |
| Part Number |
VIN
(V) |
VIN
(V) |
Circuit Breaker/ Current Limit |
Fault Condition Control |
Channels |
Positive/Negative Rail |
Package/Pins |
Budgetary Price |
| min |
max |
See Notes |
| MAX5915 |
3 |
13.2 |
Current Limit |
Latched Off |
2 |
Positive |
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$6.51 @1k |
| MAX5916 |
Periodic Retry |
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$6.51 @1k |
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See All Hot Swap Controllers (53)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Typical Operating Circuit
Notes and Comments
1) PCI 2.2 Compliant
2) Hot Swaps All Five Voltage Rails
3) Independent ON/OFF Control for both PCI Slots
More Information
Didn't Find What You Need?
Information Index
Document Ref.: 19-2420
Rev 2;
2005-09-21
This page last modified: 2009-10-14
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