High Voltage Hot Swap Controllers
With operating voltages up to ±1000 V, Analog Devices’ high voltage hot swap controller ICs provide a rugged and reliable solution for critical, high availability −48 V (such as AdvancedTCA®) and +48 V systems in networking and telecommunications. Galvanic isolation protects low voltage digital circuits controlling high voltage supplies in industrial, datacom, electric vehicle, and avionics systems. Some of the controllers offer board power monitoring capabilities with integrated ADCs, accessible through an I2C/SMBus interface.
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High Voltage Hot Swap Controllers
| SortOrder | Part# | Circuit Breakers | Vin Range | Circuit Breaker Threshold | Circuit Breaker Accuracy (typ) (%) | Isupply (typ) (A) | Features | Comments | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LTC4284 | 1 | -12V to -100V | 15mV to 30mV | 2 | 2.5 | 16-bit ADC, Energy Monitor | High Power Negative Voltage Hot Swap Controller with Energy Monitor | $6.95 (LTC4284CUHG#PBF) |
| 2 | LTC4283 | 1 | -12V to -100V | 15mV to 30mV | 2 | 2.5 | 16-bit ADC, Energy Monitor | Negative Voltage Hot Swap Controller with Energy Monitor | $5.75 (LTC4283CUHF#PBF) |
| 3 | ADM1272 | 1 | 16V to 80V | 1.4mV to 29mV | 2.3 | 5.3m | 12-bit ADC, Digital Interface, PMBus | High Voltage Positive Hot Swap Controller and Digital Power Monitor with PMBus | $8.97 (ADM1272-1ACPZ) |
| 4 | LTM9100 | 1 | - | 50mV | 10 | 50m | 10-bit ADC, Digital Interface, Galvanic Isolation | Anyside High Voltage Isolated Switch Controller with I²C Command and Telemetry | $19.45 (LTM9100CY#PBF) |
| 5 | LTC4380 | 1 | 4V to 72V | 50mV | 10 | 8µ | Low Iq, Surge Stopper | Ride-through protection with 8uA Iq, Adjustable output-clamp and circuit-breaker with timer, Shutdow | $2.48 (LTC4380CDD-1#PBF) |
| 6 | ADM1270 | 1 | 4V to 60V | 12.5mV to 62.5mV | 6 | 360m | - | High Voltage Input Protection Device | $0.99 (ADM1270ACPZ-R2) |
| 7 | LTC4231 | 1 | 2.7V to 36V | 50mV | 6 | 4µ | Low Iq | Low Iq Hot Swap Controller, -1 remains off after fault, -2 automatic retry | $2.25 (LTC4231CMS-1#PBF) |
| 8 | LTC4226 | 2 | 4.5V to 44V | 50mV | 10 | 700µ | - | Wide Operating Range Dual Hot Swap Controller | $3.10 (LTC4226CMS-1#PBF) |
| 9 | LTC4364 | 1 | 4V to 80V | 50mV | 10 | 370µ | Ideal Diode, Surge Stopper | Ride-through protection with ideal diode, Adjustable output-clamp and circuit-breaker with timer, Sh | $3.45 (LTC4364CDE-1#PBF) |
| 10 | LTC4253B | 1 | -15V to -500V | 50mV | 20 | 800µ | - | -48V Hot Swap Controller with Sequencer | $2.95 (LTC4253BCGN#PBF) |
| 11 | LT4363 | 1 | 4V to 80V | 50mV | 10 | 700µ | Surge Stopper | Ride-through protection, Adjustable output-clamp and circuit-breaker with timer, Shutdown mode, Latc | $2.48 (LT4363CDE-1#PBF) |
| 12 | ADM1075 | 1 | -35V to -80V | 1.25mV to 24.25mV | 2.8 | 4.2m | 12-bit ADC, Digital Interface, PMBus | -48 V Hot Swap Controller and Digital Power Monitor with PMBus Interface | $4.99 (ADM1075-1ACPZ) |
| 13 | LT4356MP-2 | 1 | 4V to 80V | 50mV | 15 | 1m | Surge Stopper | Ride-through protection, Adjustable output-clamp and circuit-breaker with timer, -55C to 125C Operat | $5.94 (LT4356MPS-2#PBF) |
| 14 | LT4356MP-1 | 1 | 4V to 80V | 50mV | 15 | 1m | Surge Stopper | Ride-through protection, Adjustable output-clamp and circuit-breaker with timer, -55C to 125C Operat | $5.94 (LT4356MPS-1#PBF) |
| 15 | LT4356-3 | 1 | 4V to 80V | 50mV | 10 | 1m | Surge Stopper | Ride-through protection, Adjustable output-clamp and circuit-breaker with timer, Shutdown mode, Latc | $1.98 (LT4356CDE-3#PBF) |
| 16 | LT4356-2 | 1 | 4V to 80V | 50mV | 10 | 1m | Surge Stopper | Ride-through protection, Adjustable output-clamp and circuit-breaker with timer, Shutdown mode (aux | $1.98 (LT4356CDE-2#PBF) |
| 17 | LT4356-1 | 1 | 4V to 80V | 50mV | 10 | 1m | Surge Stopper | Ride-through protection, Adjustable output-clamp and circuit-breaker with timer, Shutdown mode, Auto | $1.98 (LT4356CMS-1#PBF) |
| 18 | LTC4261 | 1 | -12V to -100V | 50mV | 10 | 2m | 10-bit ADC, Digital Interface | Negative voltage hot swap controller with ADC and I2C, Defaults to latchoff, -2 for Auto-Retry | $5.95 (LTC4261CGN#PBF) |
| 19 | LTC4260 | 1 | 8.5V to 80V | 50mV | 10 | 2m | 8-bit ADC, Digital Interface | Positive High Voltage Hot Swap Controller with I²C Compatible Monitoring | $5.95 (LTC4260CGN#PBF) |
| 20 | LT4256-3 | 1 | 10.8V to 80V | 55mV | 18 | 1.8m | - | Positive high voltage hot swap controller with open circuit detect output. Higher voltage version of | $2.10 (LT4256-3CGN#PBF) |
| 21 | ADM1073 | 1 | -18V to -80V | 90mV | 4.4 | 300m | - | -48 V Full Feature Hot Swap Controller | $2.19 (ADM1073ARUZ) |
| 22 | LT4254 | 1 | 10.8V to 36V | 50mV | 20 | 1.9m | - | Positive high voltage hot swap controller with open circuit detect output | $1.95 (LT4254CGN#PBF) |
| 23 | LT4256-1/-2 | 1 | 10.8V to 80V | 55mV | 18 | 1.8m | - | Positive high voltage hot swap. Pin-compatible with LT1641. -1 Latchoff, -2 Auto-Retry | $1.75 (LT4256-2CS8#PBF) |
| 24 | ADM1070 | 1 | -18V to -80V | 88mV | 14 | 850m | - | - 48 V Hot Swap Controller in SOT-23 with Linear Current Limiting | $1.62 (ADM1070ARTZ-REEL7) |
| 25 | LTC4252 | 1 | -15V to -500V | 50mV | 10 | 800µ | - | Negative voltage hot swap controllers, -1 Latchoff, -2 Auto-Retry, LTC4252A for tighter UV/OV/ECB ac | $2.00 (LTC4252-1CMS8#PBF) |
| 26 | LTC4251 | 1 | -15V to -500V | 50mV | 20 | 800µ | - | Negative voltage hot swap controllers in SOT-23, Options for UV/OV thresholds | $2.01 (LTC4251-1CS6#TRPBF) |
| 27 | LT4250 | 1 | -18V to -80V | 50mV | 20 | 1.6m | - | -48V hot swap controller, Powergood active high (H) or low (L) | $2.30 (LT4250HCN8#PBF) |
| 28 | LT1640A | 1 | -10V to -80V | 50mV | 20 | 1.3m | - | -48V hot swap controller, Improved drain pin ruggedness, Powergood active high (AH) or low (AL) | $1.90 (LT1640AHCN8#PBF) |
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