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Wide Range I<sup>2</sup>C Power Monitor
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LTC2945CUD#TRPBF by Analog Devices Inc is a Power Management Circuit.
Power Management Circuits are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
---|---|---|---|---|---|---|
DISTI #
505-LTC2945CUD#TRPBFCT-ND
|
DigiKey | IC POWER MONITOR I2C 12-QFN Min Qty: 1 Lead time: 10 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
4877 In Stock |
|
$5.3375 / $11.2100 | Buy Now |
DISTI #
584-LTC2945CUD#TRPBF
|
Mouser Electronics | Current & Power Monitors & Regulators Wide Rng I2C Pwr Mon RoHS: Compliant | 0 |
|
$5.3300 | Order Now |
|
Analog Devices Inc | Wide Rng I2C Pwr Mon Min Qty: 1 Package Multiple: 2500 | 976 |
|
$4.2700 / $11.2100 | Buy Now |
DISTI #
LTC2945CUDTRPBF
|
Richardson RFPD | POWER MANAGEMENT IC RoHS: Compliant Min Qty: 2500 | 0 |
|
$5.5200 / $5.7300 | Buy Now |
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LTC2945CUD#TRPBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LTC2945CUD#TRPBF
Analog Devices Inc
Wide Range I<sup>2</sup>C Power Monitor
|
Pbfree Code | No | |
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | ANALOG DEVICES INC | |
Package Description | 3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-1, QFN-12 | |
Pin Count | 12 | |
Manufacturer Package Code | 05-08-1855 | |
Reach Compliance Code | compliant | |
Samacsys Manufacturer | Analog Devices | |
Adjustable Threshold | YES | |
Analog IC - Other Type | POWER SUPPLY SUPPORT CIRCUIT | |
JESD-30 Code | S-PQCC-N12 | |
JESD-609 Code | e3 | |
Length | 3 mm | |
Moisture Sensitivity Level | 1 | |
Number of Channels | 1 | |
Number of Functions | 1 | |
Number of Terminals | 12 | |
Operating Temperature-Max | 70 °C | |
Operating Temperature-Min | ||
Package Body Material | PLASTIC/EPOXY | |
Package Code | HVQCCN | |
Package Shape | SQUARE | |
Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | |
Peak Reflow Temperature (Cel) | 260 | |
Seated Height-Max | 0.8 mm | |
Supply Voltage-Max (Vsup) | 80 V | |
Supply Voltage-Min (Vsup) | 2.7 V | |
Supply Voltage-Nom (Vsup) | 5 V | |
Surface Mount | YES | |
Technology | CMOS | |
Temperature Grade | COMMERCIAL | |
Terminal Finish | Matte Tin (Sn) | |
Terminal Form | NO LEAD | |
Terminal Pitch | 0.5 mm | |
Terminal Position | QUAD | |
Time@Peak Reflow Temperature-Max (s) | 30 | |
Width | 3 mm |
This table gives cross-reference parts and alternative options found for LTC2945CUD#TRPBF. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LTC2945CUD#TRPBF, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number | Manufacturer | Composite Price | Description | Compare |
---|---|---|---|---|
LTC2945CUD#PBF | Analog Devices Inc | $6.8546 | Wide Range I2C Power Monitor | LTC2945CUD#TRPBF vs LTC2945CUD#PBF |
LTC2945IUD#TRPBF | Linear Technology | Check for Price | LTC2945 - Wide Range I2C Power Monitor; Package: QFN; Pins: 12; Temperature Range: -40°C to 85°C | LTC2945CUD#TRPBF vs LTC2945IUD#TRPBF |
A good PCB layout for the LTC2945 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and parasitic inductance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
To ensure accurate current measurements, use a sense resistor with a low temperature coefficient, keep the sense resistor close to the device, and use a Kelvin connection to the sense resistor. Also, make sure to calibrate the device according to the datasheet instructions.
The maximum voltage that can be applied to the VIN pin of the LTC2945 is 36V. Exceeding this voltage can damage the device.
Yes, the LTC2945 can measure current in both directions. The device has a bidirectional current sense capability, which allows it to measure both positive and negative currents.
The LTC2945 has a digital output that can be interfaced with a microcontroller using a serial interface such as I2C or SPI. The device also has an alert pin that can be used to interrupt the microcontroller in case of an overcurrent or undervoltage condition.