The recommended PCB layout for the DS1747W-120IND involves keeping the device as close as possible to the battery, using short and wide traces for the power lines, and placing decoupling capacitors close to the device. Additionally, it's recommended to use a solid ground plane and to avoid routing signals under the device.
To ensure the accuracy of the temperature measurement, it's essential to follow proper PCB layout and thermal design guidelines. This includes keeping the device away from heat sources, using thermal vias to dissipate heat, and calibrating the device during manufacturing. Additionally, the device should be operated within its specified temperature range, and the temperature measurement should be taken at a stable temperature.
The DS1747W-120IND can be connected in parallel to increase the battery capacity, but the maximum number of devices that can be connected depends on the specific application and the battery chemistry used. As a general rule, it's recommended to limit the number of devices in parallel to 4-6 to avoid voltage imbalance and ensure reliable operation.
The DS1747W-120IND is designed to handle battery voltage fluctuations during charging and discharging. The device uses a voltage regulator to maintain a stable output voltage, and it also has built-in overcharge and over-discharge protection to prevent damage to the battery. Additionally, the device has a low-battery detection feature that can be used to alert the system of a low battery condition.
The typical response time of the DS1747W-120IND to changes in battery voltage or temperature is around 10-20ms. However, this can vary depending on the specific application and the rate of change of the battery voltage or temperature. The device is designed to provide fast and accurate measurements, and it can be used in a wide range of applications, from low-power battery-powered devices to high-power industrial systems.
DS1747W-120IND datasheet
by Maxim Integrated Products
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