| Allicdata Part #: | MAX4971EWC+T-ND |
| Manufacturer Part#: |
MAX4971EWC+T |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Maxim Integrated |
| Short Description: | IC OVERVOLTAGE PROT CTRLR 12WLP |
| More Detail: | Power Supply Controller Overvoltage Protection Con... |
| DataSheet: |  MAX4971EWC+T Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Applications: | Overvoltage Protection Controller |
| Voltage - Input: | 2.2 V ~ 28 V |
| Voltage - Supply: | -- |
| Current - Supply: | 60µA |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 12-WFBGA, WLBGA |
| Supplier Device Package: | 12-WLP |
| Base Part Number: | MAX4971 |
Description
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MAX4971EWC+T is an adjustable 3-supply power supply controller, monitor, and thermal share designed for usage in most low-power, mobile applications. It provides an adjustable minimum-on time, clock gating, current & voltage monitoring, and output voltage adjustment features. This helps reduce the cost, complexity, and heat dissipation high-voltage power supplies.FeaturesThe main features of MAX4971EWC+T include a 3-supply voltage monitor, adjustable on-time and clock gating, current monitoring and open drain output for PMIC reset. The monitor comes with two adjustable thresholds to monitor high and low voltages, enabling the user to monitor two levels of voltage on one power supply.Clock gating is also available, where the device can automatically shut off the clocks to an integrated circuit without requiring a manual shut-off. Adjustable on-time provides the user with the ability to adjust the minimum on-time of the device. This helps prevent the device from being placed in a low power state too quickly.Output voltage adjustment allows the user to adjust the output voltage to a desired level, allowing cold start jumps and eliminating the need for additional circuit components. The current monitoring feature helps keep the circuitry safe by monitoring and limiting the current into the integrated circuit, preventing it from overloading.Thermal SharingThe MAX4971EWC+T also offers thermal sharing between the high and low-voltage power supplies. This feature reduces the power dissipation of the high-voltage power supply, allowing it to more efficiently provide power to the low-voltage supply. The thermal sharing feature can be enabled via the on-chip output enable pin and pinstrap options.Working PrincipleThe MAX4971EWC+T works by using the adjustable voltage monitor and clock gating features to monitor and regulate the power inputs, as well as the output voltage and current. The adjustable voltage monitor is used to ensure the proper operational voltages are maintained, while the clock gating allows you to turn off the clocks to the integrated circuit when not in use.The adjustable on-time feature is used to prevent the device from entering a low power state too quickly, while the output voltage adjustment can be used to cold start jump the device to the desired voltage. Finally, the current monitoring feature is used to limit the current into the integrated circuit, and the thermal sharing feature helps reduce the power dissipation of the high-voltage power supply.ConclusionIn conclusion, the MAX4971EWC+T is a highly beneficial power supply controller, monitor, and thermal share for usage in most low-power, mobile applications. Its adjustable minimum-on time, clock gating, current & voltage monitoring, and output voltage adjustment features help reduce the cost, complexity, and heat dissipation of high-voltage power supplies. Furthermore, the thermal sharing feature reduces the power dissipation of the high-voltage power supply, allowing it to more efficiently provide power to the low-voltage supply.
The specific data is subject to PDF, and the above content is for reference
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