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LTC4151CMS-1-TRPBF Datasheet(PDF) 1 Page - Linear Technology |
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LTC4151CMS-1-TRPBF Datasheet(HTML) 1 Page - Linear Technology |
1 / 16 page LTC4151/LTC4151-1 1 41511fa TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION High Voltage I2C Current and Voltage Monitor The LTC®4151 and LTC4151-1 are high side power monitors that operate over a wide voltage range of 7V to 80V. In default operation mode, the onboard 12-bit ADC continuously measures high side current, input voltage and an external voltage. Data is reported through the I2C interface when polled by a host. The monitors can also perform on-demand measurement in a snapshot mode. The LTC4151 features a dedicated shutdown pin to reduce power consumption. The LTC4151-1 features split I2C data pins with data in and an inverted data output to drive optoisolators. High Side Power Sensing with Onboard ADC and I2C n Wide Operating Voltage Range: 7V to 80V n 12-Bit Resolution for Both Current and Voltages n I2C Interface n Additional ADC Input Monitors an External Voltage n Continuous Scan and Snapshot Modes n Shutdown Mode (LTC4151) Reduces Quiescent Current to 120μA n Split SDA for Optoisolation (LTC4151-1) n Tiny 10-Lead MSOP and 3mm × 3mm DFN Packages n Telecom Infrastructure n Automotive n Industrial n Consumer 12-Bit ADC DNL and INL 41511 TA01 3.3V 0.02Ω μCONTROLLER LTC4151 SHDN VIN 7V to 80V VOUT VIN VDD MEASURED VOLTAGE SCL SDA ADIN ADR1 SCL 2k 2k SDA ADR0 GND SENSE+ SENSE– CODE 0 0 0.5 4096 –0.5 –1.0 1024 2048 3072 1.0 41511 TA01b CODE 0 0 0.5 4096 –0.5 –1.0 1024 2048 3072 1.0 41511 TA01c L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. |
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