
- 數(shù)字電源管理器 功率控制
- 發(fā)布時(shí)間:2013/7/25 9:24:35 修改時(shí)間:2013/7/25 9:24:35 瀏覽次數(shù):2076
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數(shù)字電源管理器
大型系統(tǒng) (比如那些采用 ASIC 或 FPGA 的系統(tǒng)) 需要多個(gè)電源,而這些電源的管理必需簡(jiǎn)單易行。用戶必需能夠容易地調(diào)節(jié)電源電壓,同時(shí)通過(guò)一個(gè)可存取接口來(lái)讀取諸如電壓、電流或溫度等參數(shù)。以數(shù)字方式控制系統(tǒng)電源為內(nèi)置更多的精準(zhǔn)保護(hù)、診斷和監(jiān)視功能電路提供了更多的便利條件,否則,要想在一個(gè)純模擬型電源系統(tǒng)中實(shí)現(xiàn)上述功能其難度和成本都將更高。
凌力爾特的數(shù)字電源管理器系列是高集成度解決方案,可提供包括電源監(jiān)視、監(jiān)控、裕度調(diào)節(jié)和排序在內(nèi)的基本功能。某些型號(hào)的器件還具有 EEPROM,用于提供用戶配置及故障記錄功能,而其他器件則可能具備一個(gè)可編程基準(zhǔn)以實(shí)現(xiàn)最大的靈活性及準(zhǔn)確度。
數(shù)字電源管理器Product Function Number of Outputs Supply Voltage Range I/O ADC DAC Monitors Packages LTC2970 Dual Power Supply Monitor and Margining Controller with SMBus Compatible I2C Interface 2 5V to 15V SMBus/I2C 14-bit 8-bit Internal Temp, Voltage (2 Vout, 1 Vin), Current (2) QFN-24 LTC2974 Quad, Digital Power-Supply Monitor, Supervisor, Sequencer, and Margin Controller 4 3.3V to 15V PMBus/SMBus/I2C 16-bit 10-bit Internal Temp, External Temp (4), Voltage (4 Vout, 1 Vin), Current (4) QFN-64 LTC2978 Octal, Digital Power-Supply Monitor, Supervisor, Sequencer, and Margin controller 8 3.3V to 15V PMBus/SMBus/I2C 16-bit 10-bit Internal Temp, Voltage (8 Vout, 1 Vin), Current (4) QFN-64 LTC3880 Step-Down Regulator with I2C-based PMBus Compliant Serial Interface 2 4.5V to 24V PMBus/SMBus/I2C 16-bit 12-bit Vin, Iin, Vout, Iout, Temperature and Faults QFN-40 LTC3883 Step-Down Regulator with I2C-based PMBus Compliant Serial Interface 1 4.5V to 24V PMBus/SMBus/I2C 16-bit 12-bit Vin, Iin, Vout, Iout, Temperature and Faults QFN-32 功率控制
功率控制產(chǎn)品包括理想二極管、PowerPath 控制器、MOSFET 驅(qū)動(dòng)器、橋式驅(qū)動(dòng)器和其他非穩(wěn)壓器型電源應(yīng)用。
Product Function Comments Extended Temp Packages Featured Date Added Price 1k<sup>*</sup> LT1158 Half Bridge Driver On-Chip Charge Pump, Drives All N-Channel MOSFETs I SO-16, N-16 no 1984/1/1 $3.30 (LT1158CN#PBF) LT1160 Half Bridge Driver Input UV Lockout, High Side Gate Drive UV Lockout I SO-14, N-14 yes 1984/1/1 $2.80 (LT1160CN) LT1161 Quad High Side Driver Short Circuit Protection with Restart Timers. single driver:LT1910 C, I SO-20, N-20 no 1984/1/1 $3.20 (LT1161CN) LT1162 Dual Half Bridge Driver Input UV Lockout, High Side Gate Drive UV Lockout I SO-24, N-24 yes 1984/1/1 $5.05 (LT1162CSW) LT1241 Pulse Width Modulators High Speed Current Mode Pulse Width Modulators C, I DIP-8, SO-8 no 1984/1/1 $1.95 (LT1241CN8) LT1242 Pulse Width Modulators High Speed Current Mode Pulse Width Modulators C, I DIP-8, SO-8 no 1984/1/1 $1.95 (LT1242CN8) LT1243 Pulse Width Modulators High Speed Current Mode Pulse Width Modulators C, I DIP-8, SO-8 no 1984/1/1 $1.95 (LT1243CN8) LT1244 Pulse Width Modulators High Speed Current Mode Pulse Width Modulators C, I, M DIP-8, SO-8, CERDIP no 1984/1/1 $1.95 (LT1244CN8) LT1245 Pulse Width Modulators High Speed Current Mode Pulse Width Modulators C, I, M DIP-8, SO-8, CERDIP no 1984/1/1 $1.95 (LT1245CN8) LT1246 Pulse Width Modulators 1MHz Off-Line Current Mode PWM and DC/DC Converter C DIP-8, SO-8 no 1984/1/1 $2.15 (LT1246CN8) LT1247 Pulse Width Modulators 1MHz Off-Line Current Mode PWM and DC/DC Converter C DIP-8, SO-8 no 1984/1/1 $2.10 (LT1247CN8) LT1248 Power Factor Controller Power Factor Controller C SO-16, N-16 yes 1984/1/1 $3.60 (LT1248CN) LT1249 Power Factor Controller Power Factor Controller C SO-16, N-16 no 1984/1/1 $3.25 (LT1249CN8) LT1313 Dual Vpp Driver/Regulator Useful with overwinding C SO-16 no 1984/1/1 $3.10 (LT1313CS) LT1336 Half Bridge Driver 0% to 100% Duty Cycle Operation for Servo Motor Drive I SO-16 no 1984/1/1 $3.00 (LT1336CN#PBF) LT1509 Power Factor Controller Power Factor and PWM Controller C SO-20, N-20 yes 1984/1/1 $3.95 (LT1509CN) LT1910 Protected High Side MOSFET Driver -15V to 60V transient protected. quad driver: LT1161 E, I SO-8 yes 1984/1/1 $2.05 (LT1910ES8) LT4356-1_-2 Overvoltage Protection Regulator and Inrush Limiter Surge Stopper, Auto Retry, Shutdown reduces quiescent current to 7uA C, I, H DFN-12, MS-10, SO-16 no 2007/7/2 $1.98 (LT4356CDE-1) LT4356-1_-2 Overvoltage Protection Regulator and Inrush Limiter Surge Stopper, Auto Retry, Shutdown reduces quiescent current to 60uA, keeps the reference and auxiliary amplifier functioning C, I, H DFN-12, SO-16 no ######## $1.98 (LT4356CDE-1) LT4356-3 Overvoltage Protection Regulator and Inrush Limiter Surge Stopper with Fault Latchoff, Shutdown reduces quiescent current to 7uA C, I, H, MP DFN-12, MS-10, SO-16 no ######## $1.98 (LT4356CDE-1) LT4356MP Surge Stopper Surge Stopper, Guaranteed -55擄C to 125擄C Operation, Shutdown reduces quiescent current to 7uA MP MS-10, SO-16 no ######## $1.98 (LT4356CDE-1) LT4356MP Surge Stopper Surge Stopper, Guaranteed -55擄C to 125擄C Operation, Shutdown reduces quiescent current to 60uA MP MS-10, SO-16 no ######## $1.98 (LT4356CDE-1) LT4363 Surge Stopper High Voltage Surge Stopper with Current Limit C, I DFN-12, MS-12, SO-16 no ######## $2.48 (LT4363CDE-1#PBF) LTC1153 Electronic Circuit Breaker Programmable Trip, Reset, Current Level I SO-8, N-8 no 1984/1/1 $2.05 (LTC1153CN8) LTC1154 Single High Side MOSFET Driver Short Circuit Protection C, H SO-8, N-8 yes 1984/1/1 $1.80 (LTC1154CN8) LTC1155 Dual High Side MOSFET Driver Dual Version of LTC1154 C, I SO-8, N-8 no 1984/1/1 $2.90 (LTC1155CN8) LTC1156 Quad High Side Driver Quad Version of LTC1154 C, I SO-16, N-8 no 1984/1/1 $4.75 (LTC1156CN) LTC1157 Dual 3.3V High Side Driver 3.3V or 5V Operation, Low Cost C SO-8, N-8 no 1984/1/1 $2.45 (LTC1157CN8) LTC1163 Triple High Side Driver Good for 2 Cell Battery Management C SO-8, N-8 no 1984/1/1 $2.70 (LTC1163CN8) LTC1165 Triple High Side Driver Operates from 2 Cells, P-Channel Replacement C SO-8, N-8 no 1984/1/1 $2.70 (LTC1165CN8) LTC1255 Dual High Side MOSFET Driver Good for 24V Automotive Operation I SO-8, N-8 no 1984/1/1 $2.90 (LTC1255CN8) LTC1314 VPP + VCC Switch Matrix Internal Drivers for Vcc MOSFETs C SO-14 no 1984/1/1 $2.30 (LTC1314CS) LTC1315 Dual VPP + VCC Switch Matrix Internal Drivers for Vcc MOSFETs C G24 no 1984/1/1 $3.30 (LTC1315CG) LTC1470 5V/3.3V Vcc Switch Matrix Fully Integrated VCC Switch with SafeSlot Protection C SO-8 yes 1984/1/1 $2.45 (LTC1470CS8) LTC1471 Dual 5V/3.3V VPP Matrix Fully Integrated VCC Switch with SafeSlot Protection C SO-16 no 1984/1/1 $4.10 (LTC1471CS) LTC1472 Single VPP + VCC Matrix Switch Matrix with SafeSlot Protection C SO-16 yes 1984/1/1 $3.40 (LTC1472CS) LTC1473 PowerPath Controller Dual, High Gate Drive C, I SSOP-16 no 1984/1/1 $3.55 (LTC1473CGN) LTC1473L PowerPath Controller Power path management for multiple DC sources. 3.3V to 10V input. all N-Channel MOSFETs for low loss C SSOP-16 no 1984/1/1 $3.55 (LTC1473CGN) LTC1477 High Side Switch Good for Subsystem Power Switches C SO-8, SO-16 no 1984/1/1 $3.35 (LTC1477CS8) LTC1478 High Side Switch Good for Subsystem Power Switches C SO-8, SO-16 no 1984/1/1 $5.30 (LTC1478CS) LTC1479 PowerPath Triple PowerPath Controller for Dual Battery Systems and AC/DC C, I SSOP-36 no 1984/1/1 $7.05 (LTC1479CG) LTC1623 Dual SMBus Switch Driver Control Up to 16 Peripherals on Same Bus I MS-8, SO-8 no 1984/1/1 $1.85 (LTC1623CMS8) LTC1693 Dual P-Channel MOSFET Driver Two noninverting drivers.1.5A peak output current C, I SO-8 no 1984/1/1 $1.60 (LTC1693-1CS8) LTC1693-5 Dual P-Channel MOSFET Driver 1.5A peak output current C MS-8 no 1984/1/1 $1.60 (LTC1693-1CS8) LTC1695 SMBus/I虜C Fan Speed Controller in SOT-23 C SOT-23 no 1984/1/1 $1.51 (LTC1695CS5#TR) LTC1696 Overvoltage Protection Controller Monitors Two Output Voltages from 0.8V to 24V. Gate drive for SCR crowbar or external N-channel FET E SOT-23 no 1984/1/1 $1.78 (LTC1696ES6#TRM) LTC1699 SMBus VID Programmer E MS-8, SSOP-16 no 1984/1/1 $2.15 (LTC1699EMS8-80) LTC1699 SMBus VID Programmer E MS-8, SSOP-16 no 2010/2/2 $2.15 (LTC1699EMS8-80) LTC1699 SMBus VID Programmer E MS-8, SSOP-16 no 2010/2/2 $2.15 (LTC1699EMS8-80) LTC1706-19 VID Programmer E, I MS-10 no 1984/1/1 $1.95 (LTC1706CS8-19) LTC1706-61 VID Programmer E, I MS-10 no 1984/1/1 $1.95 (LTC1706CS8-19) LTC1706-63 5-Bit VID Voltage Programmer for Sun CPUs E MS-10 no 1984/1/1 $1.95 (LTC1706CS8-19) LTC1706-81 5-Bit Desktop VID Voltage Programmer E, I MS-10 no 1984/1/1 $1.95 (LTC1706CS8-19) LTC1706-82 VID Programmer E, I MS-10 no 1984/1/1 $1.95 (LTC1706CS8-19) LTC1706-85 VID Programmer E, I MS-10 no 1984/1/1 $1.95 (LTC1706CS8-19) LTC1710 Dual SMBus Switches Control Up to 6 Peripherals on Same Bus I MS-8, SO-8 no 1984/1/1 $3.00 (LTC1710CMS8) LTC1840 Fan speed controller with two tach inputs and four general purpose I/O C, I SSOP-16 yes 1984/1/1 $2.75 (LTC1840CGN) LTC1923 Thermoelectric Cooler. Full Bridge Controller High efficiency, low noise topology E 5x5 QFN, SSOP28 yes 1984/1/1 $18.17 (LTC1923EGN) LTC1981 N-Channel MOSFET Driver Ultralow power. small E SOT-23 no 1984/1/1 $1.26 (LTC1981ES5#TR) LTC1982 Dual P-Channel MOSFET Driver Ultralow power. small E SOT-23 no 1984/1/1 $1.50 (LTC1982ES6#TR) LTC2952 PowerPath Controller, Push Button Push Button PowerPath Controller with Supervisor C, I TSSOP-20, QFN-20 no 1984/1/1 $2.95 (LTC2952CF) LTC3226 PowerPath Controller, Supercapacitor Charger 2-Cell Supercapacitor Charger with Backup PowerPath Controller E, I QFN-16 no 2011/7/8 $2.67 (LTC3226EUD#PBF) LTC4213 Electronic Circuit Breaker No RSENSE Electronic Circuit Breaker C, I DFN-8 no 1984/1/1 $1.56 (LTC4213CDDB#TR) LTC4225 Ideal Diode, Hot Swap Dual Ideal Diode and Hot Swap Controller, Latch Off After Fault C, I QFN-24, SSOP-24 no ######## $3.59 (LTC4225CGN-1#PBF) LTC4225 Ideal Diode, Hot Swap Dual Ideal Diode and Hot Swap Controller, Retry After Fault C, I QFN-24, SSOP-24 no ######## $3.59 (LTC4225CGN-1#PBF) LTC4227 Ideal Diode, Hot Swap Dual Ideal Diode and Single Hot Swap Controller, Latch Off After Fault C, I QFN-20, SSOP-16 no ######## $3.41 (LTC4227CGN-1#PBF) LTC4227 Ideal Diode, Hot Swap Dual Ideal Diode and Single Hot Swap Controller, Automatic Retry After Fault C, I QFN-20, SSOP-16 no ######## $3.41 (LTC4227CGN-1#PBF) LTC4228 Ideal Diode, Hot Swap Dual Ideal Diode and Hot Swap Controller, Latch Off After Fault C, I QFN-28, SSOP-28 yes ######## $3.59 (LTC4228CGN-1#PBF) LTC4228 Ideal Diode, Hot Swap Dual Ideal Diode and Hot Swap Controller, Retry After Fault C, I QFN-28, SSOP-28 yes ######## $3.59 (LTC4228CGN-1#PBF) LTC4352 Ideal Diode Low Voltage Ideal Diode Controller with Monitoring C, I, H MS-12, DFN-12 no ######## $2.50 (LTC4352CDD#PBF) LTC4353 Ideal Diode Dual Low Voltage Ideal Diode Controller C, I MS-16, DFN-16 yes ######## $3.45 (LTC4353CDE#PBF) LTC4354 Ideal Diode Dual Channel, 1碌s Turn-off Time C, I DFN-8, SO-8 no 1984/1/1 $2.11 (LTC4354CDDB#TR) LTC4355 Ideal Diode Positive High Voltage Dual Ideal Diode-OR with Input Supply and Fuse Monitors C, I DFN-14, SSOP-16 no ######## $2.50 (LTC4355CDE#PBF) LTC4357 Ideal Diode Positive High Voltage Ideal Diode Controller C, I, H, MP DFN-6, MS-8 no ######## $1.75 (LTC4357CDCB#TRMPBF) LTC4358 Ideal Diode 5A Ideal Diode C, I DFN-14, TSSOP-14 yes ######## $2.10 (LTC4358CDE#PBF) LTC4359 Ideal Diode Ideal Diode Controller with Reverse Input Protection C, I, H DFN-6, MS-8 yes ######## $2.15 (LTC4359CDCB#TRMPBF) LTC4360 Overvoltage Protection Controller Overvoltage/Overcurrent Protection Controller, Low Current Shutdown C, I SC-70 no ######## $1.20 (LTC4360CSC8-1#TRMPBF) LTC4360 Overvoltage Protection Controller Overvoltage/Overcurrent Protection Controller, Reverse Voltage Protection C, I SC-70 no ######## $1.20 (LTC4360CSC8-1#TRMPBF) LTC4361 Overvoltage/Overcurrent Protection Controller Overvoltage/Overcurrent Protection Controller, Latchoff after Fault C, I, H SOT-23, DFN-8 no ######## $1.45 (LTC4361CDC-1#TRMPBF) LTC4361 Overvoltage/Overcurrent Protection Controller Overvoltage/Overcurrent Protection Controller, Auto Retry after Fault C, I, H SOT-23, DFN-8 no ######## $1.45 (LTC4361CDC-1#TRMPBF) LTC4362 Overvoltage/Overcurrent Protection Controller 1.2A Overvoltage/Overcurrent Protector, Latchoff after Fault C, I DFN-8 no ######## $1.65 (LTC4362CDCB-1#TRMPBF) LTC4362 Overvoltage/Overcurrent Protection Controller 1.2A Overvoltage/Overcurrent Protector, Auto Retry after Fault C, I DFN-8 no ######## $1.65 (LTC4362CDCB-1#TRMPBF) LTC4364 Ideal Diode, Surge Stopper Surge Stopper with Ideal Diode C, I, H DFN-14, MS-16, SO-16 yes ######## $3.45 (LTC4364CDE-1#PBF) LTC4364 Ideal Diode, Surge Stopper Surge Stopper with Ideal Diode, 0.1% Retry Duty Cycle During Faults C, I, H DFN-14, MS-16, SO-16 yes ######## $3.45 (LTC4364CDE-1#PBF) LTC4365 UV/OV & Reverse Supply Protection Controller Controls Dual N-Channel MOSFET, Fault Status Pin C, I, H DFN-8, SOT-23 no ######## $1.49 (LTC4365CDDB#TRPBF) LTC4366 Surge Stopper High Voltage Surge Stopper, Latch Off C, I, H, MP SOT-23, DFN-8 yes ######## $2.70 (LTC4366CDDB-1#TRMPBF) LTC4366 Surge Stopper High Voltage Surge Stopper, Auto Retry C, I, H, MP SOT-23, DFN-8 yes ######## $2.70 (LTC4366CDDB-1#TRMPBF) LTC4370 Ideal Diode Two-Supply Diode-OR Current Balancing Controller C, I MS-16, DFN-16 yes ######## $4.95 (LTC4370CDE#PBF) LTC4410 USB Power Manager Allows faster charging from USB port and complies with USB spec. E ThinSOT no 1984/1/1 $1.26 (LTC4410ES6#TR) LTC4411 Ideal Diode Integrated switch: Replaces power supply OR E SOT-23 no 1984/1/1 $1.66 (LTC4411ES5#TR) LTC4412 PowerPath Controller Replaces power supply OR E, I SOT-23 no 1984/1/1 $1.36 (LTC4412ES6#TR) LTC4412HV PowerPath Controller Rugged version of the LTC4412: Vin up to 36V. Guaranteed operation from -40degC to 125degC I SOT-23 yes 1984/1/1 $1.36 (LTC4412ES6#TR) LTC4413 Ideal Diode Dual 2.6A, 2.5V to 5.5V, Ideal Diodes in 3mm 脳 3mm DFN E DFN-10 no 1984/1/1 $2.15 (LTC4413EDD) LTC4413-1_-2 Ideal Diode Dual 2.6A, 2.5V to 5.5V Fast Ideal Diodes in a 3mm x 3mm DFN E DFN-10 no 1984/1/1 $2.15 (LTC4413EDD) LTC4413-1_-2 Ideal Diode Dual 2.6A, 2.5V to 5.5V Fast Ideal Diodes in a 3mm x 3mm DFN, Overvoltage Protection Sensor with Drive Output for an External P-Channel MOSFET E DFN-10 no ######## $2.15 (LTC4413EDD) LTC4414 PowerPath 36V, Low Loss PowerPath Controller for Large PFETs E, I MS-8 no 1984/1/1 $1.85 (LTC4414EMS8) LTC4415 Ideal Diode Dual 4A Ideal Diodes with Adjustable Current Limit, Imon Outputs, Overcurrent Warning, Thermal Warning E, I MS-16, DFN-16 yes ######## $2.95 (LTC4415EDHC#PBF) LTC4416 PowerPath Controller 36V, Low Loss Dual PowerPath Controllers for Large PFETs E, I MS-10 yes 1984/1/1 $2.45 (LTC4416EMS#PBF) LTC4417 PowerPath Controller Prioritized PowerPath Controller C, I, H SSOP-24, QFN-24 yes ######## $3.15 (LTC4417CGN#PBF) LTC4440 High Speed, High Voltage High Side MOSFET Driver 1.5ohm pull-down, 2.4A pull-up drivers E MS-8, SOT-23 yes 1984/1/1 $1.75 (LTC4440EMS8E) LTC4440-5 High Speed, High Voltage High Side MOSFET Driver Optimized for Logic Level FETs. 1.85ohm pull-down, 1.1A pull-up drivers E MSOP-8E, SOT-23 yes 1984/1/1 $1.75 (LTC4440EMS8E) LTC4441 FET Driver 6A Peak Output Current, Adjustable Blanking Time for MOSFETs Current Sense Signal E, I, MP MS-10 no 1984/1/1 $1.80 (LTC4441EMSE) LTC4441 FET Driver 6A Peak Output Current E, I, MP SO-8 no ######## $1.80 (LTC4441EMSE) LTC4442 N-Channel MOSFET Driver High Speed Synchronous N-Channel MOSFET Drivers, 3.2V Undervoltage Lockout Threshold E, I MS-8 yes ######## $1.25 (LTC4442EMS8E#PBF) LTC4442 N-Channel MOSFET Driver High Speed Synchronous N-Channel MOSFET Drivers, 6.2V Undervoltage Lockout Threshold E, I MS-8 yes ######## $1.25 (LTC4442EMS8E#PBF) LTC4444 FET Driver High Voltage Synchronous N-Channel MOSFET Driver E, I, H, MP MS-8 no ######## $1.69 (LTC4444EMS8E#PBF) LTC4444-5 N-Channel MOSFET Driver High Voltage Synchronous N-Channel MOSFET Driver E, I, H, MP MS-8 no ######## $1.69 (LTC4444EMS8E#PBF) LTC4446 N-Channel MOSFET Driver High Voltage High Side / Low Side N-Channel MOSFET Driver E, I MS-8 no ######## $1.69 (LTC4446EMS8E#PBF) LTC4449 N-Channel MOSFET Driver High Speed Synchronous N-Channel MOSFET Driver E, I DFN-8 no ######## $1.30 (LTC4449EDCB#TRMPBF)
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