电源监控器
ADI公司的电源监控IC采用片内12位模数转换器(ADC)执行测量，可针对数字电流和电压测量提供一种集成式解决方案。利用ADI的精密模拟设计技术，ADI的产品具有首屈一指的精度(<±0.8%)，为竞争器件的两倍之多。这些电源监控器是业内唯一能为2至12个电源提供小于±1%的精度的监控器和序列器系列。
产品选型表
技术文章
在线研讨会
应用笔记
- AN166 - In Flight Update with Linduino PDF
- AN155 - Fault Log Decoding with Linduino PSM PDF
- AN152 - Power System Management Addressing PDF
- AN153 - 用于电源系统管理的 Linduino PDF
- AN145 - Overview of the EEPROM in LTC PSM Devices PDF
- AN137 - Accurate Temperature Sensing with an External P-N Junction PDF
- AN-1135: ADC采样信息ADM1275/ADM1276/ADM1075 (Rev. 0) PDF
- AN67 - Linear Technology Magazine Circuit Collection, Volume III PDF
设计工具
用户手册
电源监控器
| SortOrder | Part# | Number of Supplies | Vin Range | Features | ADC | Interface | Comments | Isupply (typ) (A) | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ADM1278 | 1 | 4.5V to 20V | 12-bit ADC, Digital Interface, PMBus | 12-Bit | PMBUS | Hot Swap Controller and Digital Power and Energy Monitor with PMBus Interface | 4.7m | $2.89 (ADM1278-1BCPZ) |
| 2 | LTC2992 | 2 | 2.7V to 100V | Current Monitor, Power Monitor, Voltage Monitor | 12-Bit | Serial I2C | Dual Wide Range Power Monitor | 1.2m | $3.85 (LTC2992CDE#PBF) |
| 3 | ADM1272 | 1 | 16V to 80V | 12-bit ADC, Digital Interface, PMBus | 12-Bit | PMBUS | High Voltage Positive Hot Swap Controller and Digital Power Monitor with PMBus | 5.3m | $8.97 (ADM1272-1ACPZ) |
| 4 | LTC2947 | 1 | 0V to 15V | Charge Monitor, Current Monitor, Energy Monitor, Integrated Rsense, Power Monitor, Voltage Monitor | 18-bit | Serial I2C, Serial SPI | 30A Power/Energy Monitor with Integrated Sense Resistor | 9m | $5.95 (LTC2947IUFE#PBF) |
| 5 | LTC2946 | 1 | -100V to +100V (extendable to higher voltages) | Current Monitor, Energy Monitor, I2C Interface, Power Monitor, Voltage Monitor | 12-Bit | Serial I2C | Wide Range I2C Power, Charge and Energy Monitor | 700µ | $3.95 (LTC2946CDE#PBF) |
| 6 | ADM1294 | 1 | 2.95V to 20V | 12-bit ADC, Digital Interface, PMBus | 12-Bit | PMBUS | Digital Power Monitor with PMBus Interface | 3.3m | $2.99 (ADM1294-1BACPZ) |
| 7 | ADM1293 | 1 | 2.95V to 20V | 12-bit ADC, Digital Interface, PMBus | 12-Bit | PMBUS | Digital Power Monitor with PMBus Interface | 3.3m | $2.79 (ADM1293-1BACPZ) |
| 8 | LTC2945 | 1 | -80V to +80V (extendable to higher voltages) | Current Monitor, I2C Interface, Power Monitor, Voltage Monitor | 12-Bit | Serial I2C | Wide Range I2C Power Monitor | 800µ | $3.57 (LTC2945CMS#PBF) |
| 9 | LTC2991 | 8 | 2.9V to 5.5V | 8 Configurable Inputs, Current Monitor, I2C Interface, Temperature Monitor, Voltage Monitor | 14-Bit | Serial I2C | Octal I2C Voltage, Current, and Temperature Monitor | 1.1m | $4.50 (LTC2991CMS#PBF) |
| 10 | ADM1075 | 1 | -35V to -80V | 12-bit ADC, Digital Interface, PMBus | 12-Bit | PMBUS | -48 V Hot Swap Controller and Digital Power Monitor with PMBus Interface | 4.2m | $4.99 (ADM1075-1ACPZ) |
| 11 | ADM1276 | 1 | 2V to 20V | 12-bit ADC, Digital Interface, PMBus | 12-Bit | PMBUS | Hot Swap Controller and Digital Power and Energy Monitoringwith PMBus Interface | 3.2m | $5.29 (ADM1276-3ACPZ) |
| 12 | ADM1275 | 1 | 2V to 20V | 12-bit ADC, Digital Interface, PMBus | 12-Bit | I²C Interface w/ 4 Addresses | Hot Swap Controller and Digital Power Monitor with PMBus Interface | 3.2m | $4.49 (ADM1275-2ARQZ) |
| 13 | LTC2990 | 4 | 2.9V to 5.5V | 4 Configurable Inputs, Current Monitor, I2C Interface, Temperature Monitor, Voltage Monitor | 14-Bit | Serial I2C | Quad I2C Voltage, Current and temperature Monitor | 1.1m | $2.25 (LTC2990CMS#PBF) |
| 14 | LT2940 | 1 | 4V to 80V | Current Monitor, Power Monitor, Voltage Monitor | - | - | Power and Current Monitor | 3.5m | $2.05 (LT2940CDD#PBF) |
| 15 | LTC4151 | 1 | 7V to 80V | Current Monitor, I2C Interface, Voltage Monitor | 12-Bit | Serial I2C | High Voltage I2C Current and Voltage Monitor | 1.2m | $2.60 (LTC4151CDD#PBF) |
| 16 | ADM1192 | 1 | 3.15V to 26V | Current Monitor, Power Monitor, Voltage Monitor | 12-Bit | PMBUS, SMBus/I2C | Digital Power Monitor with Clear Pin and ALERT Output | 1.7m | $1.98 (ADM1192-1ARMZ-R7) |
| 17 | ADM1191 | 1 | 3.15V to 26V | Current Monitor, Power Monitor, Voltage Monitor | 12-Bit | PMBUS, SMBus/I2C | Digital Power Monitor with Convert Pin and ALERTB Output | 1.7m | $1.98 (ADM1191-2ARMZ-R7) |
| 18 | ADM1178 | 1 | 3.15V to 16.5V | 12-bit ADC, Digital Interface | 12-Bit | I²C Interface w/ 4 Addresses | Hot Swap Controller and Digital Power Monitor with ALERTB Output | 1.7m | $2.81 (ADM1178-1ARMZ-R7) |
| 19 | ADM1177 | 1 | 3.15V to 16.5V | 12-bit ADC, Digital Interface | 12-Bit | I²C Interface w/ 4 Addresses | Hot Swap Controller and Digital Power Monitor with Soft Start Pin | 1.7m | $2.61 (ADM1177-1ARMZ-R7) |
| 20 | ADM1176 | 1 | 3.15V to 16.5V | 12-bit ADC, Digital Interface | 12-Bit | I²C Interface w/ 16 Addresses | Hot Swap Controller and I2C® Power Monitor | 1.7m | $2.61 (ADM1176-1ARMZ-R7) |
| 21 | ADM1175 | 1 | 3.15V to 16.5V | 12-bit ADC, Digital Interface | 12-Bit | I²C Interface w/ 4 Addresses | Hot Swap Controller and Digital Power Monitor with Convert Pin | 1.7m | $2.61 (ADM1175-1ARMZ-R7) |
| 22 | LTC1392 | 1 | 4.5V to 6V | Current Monitor, Temperature Monitor, Voltage Monitor | 10-bit | Serial SPI | Ambient Temperature Plus Two-Input Voltage/Current Monitor | 700µ | $3.95 (LTC1392CN8#PBF) |
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