MAX34407

 

Part Number	Replacement	Explanation

Description

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The MAX34407 is a current and voltage monitor that is specialized for determining power consumption. The device has a wide dynamic range to allow it to accurately measure power in systems that consume small to large amounts of power. The device is configured and monitored with a standard I²C/SMBus serial interface. The unidirectional current sensor offers precision high-side operation with a low full-scale sense voltage. The device automatically collects the current-sense and voltage samples. The samples are then multiplied to obtain a power value and the power values are then accumulated. Upon a command from the host, the device transfers the accumulated power samples as well as the accumulation count to a set of registers that the host can access. This transfer occurs without missing a sample and allows the host to retrieve the data not in real time, but at any time interval.

MAX34407: Typical Operating Circuit Enlarge+

Key Features

• Enables Code Optimization to Minimize Power Consumption in Portable Platforms
  • Four Power Monitors with Wide 66dB Dynamic Range
  • Measures Both Current and Voltage
  • Low Power Consumption
  • Slow Mode for Reduced Power Consumption
  • Power-Down Mode
• Minimizes Processor Overhead with Autonomous Operation
  • Per Channel 48-Bit Power Accumulators Capture 17 Minutes of Data at 1024 Samples per Second
  • Per Channel 12-Bit Voltage Registers
• High-Integration Solution Minimizes Parts Count, PCB Space, and BOM Cost
  • Wide Current Common-Mode Range of 2.5V to 15V
  • Low Full-Scale, Current-Sense Voltage of 100mV
  • I²C/SMBus Interface
  • Temperature Range: -40°C to +85°C
  • Small, 2.285mm x 2.185mm Footprint WLP Package with 16 Bumps at 0.5mm Pitch
• Ease of Development
  • Evaluation Kit with Advanced GUI Available (MAX34407EVKIT#)
  • Windows Driver Available

Applications/Uses

• Smartphones
• Tablets
• Ultra Notebooks