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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ISL6152IB
POWER SUPPLY CIRCUIT, ADJ
UCC2919D
IC HOT SWAP CTRLR GP 16SOIC
LTC4251-2IS6#TRMPBF
IC HOT SWAP CTRLR -48V SOT23-6
LT4254IGN#PBF
IC HOT SWAP CTRLR GP 16SSOP
MAX5976BETE+
IC HOT SWAP CTRLR GP 16TQFN
LTC4228IGN-2#TRPBF
IC HOT SWAP CTRLR GP 28SSOP
LTC4284IUHG#PBF
IC HOT SWAP CTRLR TELECOM 44QFN
LTC4231IMS-1#TRPBF
IC HOT SWAP CTRLR GP 12MSOP
LTC4211IMS#TRPBF
IC HOT SWAP CTRLR GP 10MSOP
LTC4228CUFD-1#PBF
IC HOT SWAP CTRLR GP 28QFN
LTC4224CDDB-2#TRPBF
IC HOT SWAP CTRLR GP 10DFN
MAX5923EUP+T
IC HOT SWAP CTRLR GP 20TSSOP
ISL61863IIRZ-T
IC HOT SWAP CTRLR USB 10DFN
TPS2359RHHR
IC HOT SWAP CTRLR ATCA 36VQFN
LTC4222IG#TRPBF
IC HOT SWAP CTRLR GP 36SSOP
LT1640AHCS8#PBF
IC HOT SWAP CTRLR -48V 8SOIC
LTC4224IMS-2#TRPBF
IC HOT SWAP CTRLR GP 10MSOP
LTC4252BIMS-2#PBF
IC HOT SWAP CTRLR -48V 10MSOP
MAX4273ESE+
IC HOT SWAP CTRLR GP 16SOIC
LTC4224IDDB-2#TRPBF
IC HOT SWAP CTRLR GP 10DFN