SMH4803
SMH4803 is Distributed Power Hot-Swap Controller manufactured by Summit Microelectronics.
Features
- Supply Range ±20VDC to >±500VDC
- Versatile Card Insertion Detection Supports Both
- Multi-length Pin Systems
- Card Injector Switch Sensing
- Control Up to Four Loads or a Primary Load and 3 DC/DC Converters
- Highly Programmable Host Voltage Monitoring
- Programmable Under- and Over-voltage Detection
- Programmable Power Good Delays for Sequencing DC/DC Converters
- Programmable Circuit Breaker Function
- Programmable Over-current Filter
- Programmable Quick-Trip™ Circuit Breaker Values
- Programmable Circuit Breaker Mode
- Duty-Cycle Mode
- - Latched Mode 2.5V and 5.0V reference outputs
- Easy Expansion of External Monitor Functions uri Fe a t
Pr ng
TM og
Quick-Trip ble aker a ra m m re it B u C irc
ASSOCIATE MEMBER
FUNCTIONAL BLOCK DIAGRAM
ENPGB VDD 12V ref PG3#
50kΩ EN/TS 50kΩ PD1# PD2#
+
Programmable Delay
ENPGA
50kΩ
Filter
PG2#
Programmable...