型号：LTC4151HMS

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LTC4151HMS

LTC4151HMS

LTC4151HMS

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.

LTC4151-1 Only): I2C Bus Data Input. Used for shifting in address, command or data bits. This pin is driven by an open collector output from a master controller. An external pull-up resistor or current source is required and can be placed between SDAI and VIN. The voltage at SDAI is internally clamped to 6V (5.5V minimum).SDAO (Pin 8, LTC4151-1 Only): Inverted Serial Bus Data Output. Open-drain output used for sending data back to the master controller or acknowledging a write operation. Data is inverted for convenience of optoisolation. An external pull-up resistor or current source is required.SHDN (Pin 8, LTC4151 Only): Shutdown Input. Internally pulled up to 6.3V. Pull this pin below 1V to force the LTC4151 into shutdown mode. Leave this pin open if unused.GND (Pin 9): Device Ground