LTC4151 Datasheet | Linear Technology

Features 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 Opto-Isolation (LTC4151-1/LTC4151-2) n Available in 10-Lead MSOP, 10-Lead 3mm × 3mm DFN and 16-Lead SO Packages Applications n - 48V Tele Infrastructure n Automotive n Industrial n Consumer High Voltage I2C Current and Voltage Monitor Description The LTC®4151 is a high side power monitor that operates 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 LTC4151 can also perform on-demand measurement in a snapshot mode. The LTC4151 Features a dedicated shutdown pin to reduce power consumption. The LTC4151‑1/LTC4151-2 feature split I2C data pins to drive opto-isolators. The data out on the LTC4151-1 is inverted while that on the LTC4151-2 is not. PART PACKAGE FEATURED PIN DD10, MS10 SHDN LTC4151-1 DD10, MS10 SDAO LTC4151-2 S16 SDAO L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Hot Swap is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Typical Application High Side Power Sensing with Onboard ADC and I2C VIN 7V TO 80V 0.02Ω SENSE+ SENSE- SHDN LTC4151 SCL ADR1 ADR0 ADIN...