
Allicdata Part #: | LTC2945CUD#TRPBF-ND |
Manufacturer Part#: |
LTC2945CUD#TRPBF |
Price: | $ 3.14 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC POWER MONITOR I2C 12-QFN |
More Detail: | Power Supply Controller General Purpose 12-QFN (3x... |
DataSheet: | ![]() |
Quantity: | 1000 |
2500 +: | $ 2.85314 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Applications: | General Purpose |
Voltage - Input: | 4 V ~ 80 V |
Voltage - Supply: | 2.7 V ~ 5.9 V |
Current - Supply: | 800µA |
Operating Temperature: | 0°C ~ 70°C |
Mounting Type: | Surface Mount |
Package / Case: | 12-WFQFN Exposed Pad |
Supplier Device Package: | 12-QFN (3x3) |
Base Part Number: | LTC2945 |
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The LTC2945CUD#TRPBF is a high-precision power supply controller and monitor that is used to protect and monitor communication, computer, and consumer applications. It is part of a family of low-power PMIC products that provide accurate power-supply voltage and current measurements, temperature measurement, and protection against power-supply transients. The LTC2945CUD#TRPBF is specifically designed for applications that require a reliable and accurate monitoring of power supply conditions in severe environments.
The LTC2945CUD#TRPBF is a single-channel high-voltage, low-power PMIC with a wide-range operating voltage from 4V to 32V, and a wide temperature range from -40C to +85C. It is designed to protect, monitor, and control power supplies for communication and consumer applications. The LTC2945CUD#TRPBF provides voltage and current measurement, temperature measurement, and protection against transients. The device can be configured as an analog-mixed-signal power supply controller and monitor or as a power-supply supervisor or a combined power-supply supervisor/controller.
The LTC2945CUD#TRPBF uses a low-power CMOS process to produce a high-precision, low-power device that has high resolution and minimal settling time. The device offers one-channel bidirectional measurement accuracy of 0.4%, with a voltage resolution of 0.164mV, current resolution of 19.8uA, and temperature resolution of 2C. It can measure both acute and peak voltage and current levels, as well as temperature, without requiring external resistors or capacitors. The LTC2945CUD#TRPBF uses an on-chip thermal pad to sense the temperature of the internal die. The device is designed to operate with a minimal quiescent current of 1.5mA and a typical quiescent current of 5mA.
The LTC2945CUD#TRPBF is designed to provide protection against power supply surges, short-circuits, and over-voltage and under-voltage conditions. Its protection feature provides excess-voltage shutdown with adjustable threshold and fast response. It also includes an adjustable current-limit protection. The device includes a programmable watchdog timer, which triggers an output reset pulse if the input voltage and/or current calculations exceed a programmed limit for longer than a predefined time. This can be used to protect against over-voltage and over-current events.
The LTC2945CUD#TRPBF is an ideal device for protecting and monitoring communication, computer, and consumer applications. It offers an inexpensive alternative to the expensive and complicated multi-channel power-supply monitoring and protection systems. The LTC2945CUD#TRPBF is a highly reliable, low-power device that can provide accurate voltage and current measurements, temperature measurements, and protection against power-supply transients. It is also a great choice for applications that need reliable power monitoring in extreme conditions, such as extreme temperatures.
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