PMIC - Hot Swap Controllers
PMIC - Hot Swap Controllers: Precision Power Management for Seamless Integration
Definition:
PMIC - Hot Swap Controllers are specialized integrated circuits (ICs) within the Power Management IC (PMIC) category, designed to safely manage the insertion and removal of electronic components in live (hot-swappable) systems. These controllers prevent voltage spikes, inrush currents, and other electrical disturbances, ensuring smooth power transitions and protecting sensitive circuitry in servers, networking equipment, and industrial applications.
Types of Hot Swap Controllers:
1. Linear Hot Swap Controllers: Use pass transistors to regulate current gradually, ideal for low-voltage boards.
2. FET-Based Hot Swap Controllers: Employ external MOSFETs for higher power handling, common in enterprise hardware.
3. Digital Hot Swap Controllers: Feature programmable current limits and fault diagnostics via I2C/PMBus, suited for smart systems.
4. High-Voltage Controllers: Built for industrial environments (e.g., 48V+ telecom backplanes).
Purchasing Recommendations:
- Current/Voltage Ratings: Match the controller s range to your system s load requirements (e.g., 0-20A, 3.3V-48V).
- Protection Features: Prioritize devices with OVP (Overvoltage Protection), UVLO (Undervoltage Lockout), and thermal shutdown.
- Interface Compatibility: Select digital controllers with PMBus for automated power management in data centers.
- Package & Integration: Opt for QFN or SOIC packages for space-constrained designs; ensure compatibility with external MOSFETs if needed.
Hot Swap Controllers are critical for minimizing downtime in mission-critical systems choose a solution that balances robustness with precision for optimal reliability.
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MAX5956AEEE
DUAL HOT-SWAP CONTROLLER
LTC4260CUH#PBF
IC HOT SWAP CTRLR GP 32QFN
MCP18480T-I/SS
IC HOT SWAP CTRLR -48V 20SSOP
LTC4234IWHH#PBF
IC HOT SWAP CTRLR GP 38QFN
LTC4211CS8#TRPBF
IC HOT SWAP CTRLR GP 8SOIC
LTC4224CMS-1#PBF
IC HOT SWAP CTRLR GP 10MSOP
TPS2456ARHHT
IC HOT SWAP CTRLR GP 36VQFN
ISL6117CBZA
POWER SUPPLY SUPPORT CIRCUIT, AD
TPS2480PW
IC HOT SWAP CTRLR GP 20TSSOP
LTC4227CUFD-1#PBF
IC HOT SWAP CTRLR GP 20QFN
LTC4238IUFD#PBF
HIGHVOLTAGE, HIGHPOWER HOTSWAP C
TPS2300IPW
IC HOT SWAP CTRLR GP 20TSSOP
LTC4280CUFD#TRPBF
IC HOT SWAP CTRLR GP 24QFN
MIC2585-1JBTS
DUAL-CH HOT SWAP CONTROLLER
MAX5955AEEE
DUAL HOT-SWAP CONTROLLER
ADM1275-1ACPZ-R7
IC HOT SWAP CTRLR GP 20LFCSP
LTC1421IG#TRPBF
IC HOT SWAP CTRLR GP 24SSOP
HIP1012CB
DUAL PWR DISTRIBUTION CONTROLLER
LTC4222CG#TRPBF
IC HOT SWAP CTRLR GP 36SSOP
MAX5924BEUB+
IC HOT SWAP CTRLR GP 10UMAX