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MAX4172EUA+T
Manufacturer Part Number: MAX4172EUA+T | Manufacturer / Brand: ADI |
Part of Description: Current Sense Amplifiers Low-Cost, Precision, High-Side Current-S | Lead Free Status / RoHS Status: 16-bit Microcontrollers - MCU MCU 3/5V 56K Pb-free 64-QFP |
Ship From: HK/Shen Zhen | Shipment Way: DHL/Fedex/TNT/UPS |
Datasheets: |
Product parameters
Manufacturer | ADI |
Details | RoHS |
Mounting Style | SMD/SMT |
Package / Case | uMAX-8 |
Minimum Operating Temperature | – 40 C |
Maximum Operating Temperature | +85 C |
Packaging | Reel |
Moisture Sensitive | Yes |
Product Type | Current Sense Amplifiers |
Factory Pack Quantity | 2500 |
Subcategory | Amplifier ICs |
Supply Type | Single |
Part # Aliases | MAX4172 |
Unit Weight | 0.000870 oz |
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The MAX4172EUA+T is a low-cost, precision, high-side current-sense amplifier designed for a wide range of applications where battery/DC power-line monitoring is critical. It is specifically engineered to provide accurate and reliable current sensing in portable devices such as PCs, telephones, and other battery-powered systems.
Key Features and Benefits:
- High-Side Monitoring Capability:
- The MAX4172EUA+T excels in high-side power-line monitoring, which is particularly useful in battery-powered systems as it does not interfere with the battery charger’s ground path.
- Wide Input Common-Mode Range:
- The device offers an input common-mode range of 0 to 32V, which is independent of the supply voltage. This ensures that current-sense feedback remains viable, even when connected to a battery in deep discharge.
- Precision and Accuracy:
- The MAX4172EUA+T provides ±0.5% typical full-scale accuracy over temperature, ensuring precise current sensing.
- Wide Bandwidth:
- With a bandwidth of 800kHz (when VSENSE = 100mV), the amplifier is suitable for closed-loop battery-charger and general-purpose current-source applications.
- Flexibility and Versatility:
- The MAX4172EUA+T functions with an external sense resistor to set the range of load current to be monitored, providing a high level of flexibility.
- Space-Saving Package:
- Available in a space-saving 8-pin μMAX or SO package, the MAX4172EUA+T minimizes board space requirements.
- Power-Good Output:
- An open-collector power-good output (PG) indicates when the supply voltage reaches an adequate level to guarantee proper operation of the current-sense amplifier.
- Wide Operating Voltage Range:
- The device operates with a supply voltage range of 3.0V to 32V, making it suitable for various applications with different power requirements.
Applications:
The MAX4172EUA+T is ideal for applications such as:
- Portable PCs (Notebooks, Subnotebooks, Palmtops)
- Battery-Powered/Portable Equipment
- Closed-Loop Battery Chargers/Current Sources
- Smart-Battery Packs
- Portable/Cellular Phones
- Portable Test/Measurement Systems
- Energy Management Systems
In summary, the MAX4172EUA+T is a low-cost, precision, high-side current-sense amplifier that offers a wide range of features and benefits, making it an ideal choice for various applications requiring accurate and reliable current sensing.