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Product Detailed Parameters
- Description：IC ENERGY MONITOR I2C 16MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Input Impedance：-
- Measurement Error：0.40%
- Voltage - I/O High：-
- Voltage - I/O Low：-
- Current - Supply：900µA
- Voltage - Supply：2.7 V ~ 100 V
- Meter Type：Single Phase
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：16-TFSOP (0.118", 3.00mm Width)
- Supplier Device Package：16-MSOP
- Grade：-
- Qualification：-
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Overview
The LTC2946CMS-1#TRPBF is a rail-to-rail system monitor designed for measuring current, voltage, power, charge, and energy. It operates within a supply range of 2.7V to 100V and includes an integrated shunt regulator for handling supplies exceeding 100V. The device features a 10kHz I2C interface and is housed in a 16-pin MSOP package. This specific part number indicates the component is supplied in tape and reel packaging.
Feature Summary
- Measures current, voltage, power, charge, and energy with rail-to-rail input capability
- Includes an internal shunt regulator to tolerate supply voltages above 100V
- Communicates via a 10kHz I2C interface
Applications
- Wide range negative power, charge, and energy monitoring
- Bidirectional power monitoring with forward path energy and charge measurement
- -48V harsh environment systems using INTVCC shunt regulators for transient tolerance
Procurement Notes
Verify the suffix #TRPBF confirms tape and reel packaging when ordering. Confirm the -1 grade designation matches required specifications. Ensure the 16-pin MSOP footprint aligns with the target PCB design. Cross-reference the manufacturer's latest documentation for any pinout or electrical parameter updates prior to final procurement.
Selection Notes
Select this component for applications requiring comprehensive energy and charge tracking alongside standard power metrics. The integrated shunt regulator makes it suitable for high-voltage environments exceeding 100V without external protection circuits. The 10kHz I2C speed is appropriate for low-frequency monitoring tasks rather than high-speed data acquisition.
Part Context
This device belongs to the LTC2946 series of power, charge, and energy monitors from Analog Devices. The series offers rail-to-rail system monitoring capabilities. Variants differ by package type, such as DFN or MSOP, and delivery format, including tube or tape and reel options like the CMS-1 designation.
Replacement Considerations
LTC2946CMS-1#PBF serves as the tube-packaged equivalent. Other series members include LTC2946HDE#PBF and LTC2946IMS-1#PBF, which share similar monitoring functions but may vary in package style or temperature grade.
