DFRobot
UPS Hat for LattePanda 3 Delta / 2 Alpha / 2 Delta Single Board Computer
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Have you ever been disrupted by a sudden power outage while working? If so, the LattePanda UPS Hat is your best choice!The LattePanda UPS Hat is compatible w...
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Have you ever been disrupted by a sudden power outage while working? If so, the LattePanda UPS Hat is your best choice!
The LattePanda UPS Hat is compatible with the LattePanda 2 Alpha, Delta, and 3 Delta pins and can be installed directly. It uses three 18650 lithium-ion batteries as UPS storage batteries and supports power supply through both TypeC PD and 5.5mm DC interfaces. When the external power supply is interrupted, the UPS Hat will automatically switch to battery power, ensuring that your LattePanda is not damaged by a sudden power outage.
Most importantly, our UPS Hat supports the HID-UPS protocol, which can be recognized as a battery device in the operating system. You can use system power management to implement power-saving modes and automatic shutdown functions, just like using an internal laptop battery. Moreover, the HID-UPS protocol is implemented through Arduino, and the code is open source. You can edit a more accurate battery power algorithm by yourself, and you can also set the charging voltage limit to extend the battery life.
When the UPS Hat uses the battery, the three 18650 batteries directly power the LattePanda, without any extra boost or buck circuit consuming energy, so the battery life can last up to 8 hours, allowing your LattePanda to hold on until the power is restored.(Tested with three 3.7V 3400mA·h 18650 lithium-ion batteries paired with a LattePanda 3 Delta.)
Note:
Due to transportation safety restrictions, the UPS Hat does not include 18650 lithium batteries, and you need to purchase 3.7V 18650 lithium batteries separately.
Figure: Interfaces of LattePanda Alpha & Delta UPS Hat
Figure: Functional Block Diagram of LattePanda Alpha & Delta UPS Hat
Installation Steps
Note: Do not install the lithium battery before the UPS Hat is in place
Step 1. Align the UPS power interface side with the LattePanda TypeC/RJ45/HDMI interface side
Step 2. Insert the UPS Hat into the LattePanda
Step 3. Check that the pins are fully inserted in order, without any floating or bent pins.
To reserve space for heat dissipation and ventilation, the UPS Hat pins are longer. The figure shows the appearance after the installation is in place.
Step 4. After checking the installation, install the 18650 lithium battery, paying attention to the positive and negative directions.
Applications
Power supply for computing devices
Specification
Power supply interface:
USB Type-C PD protocol
Voltage requirement: 15V
Power requirement: ≥30W
DC Jack 5.5x2.1mm
Voltage requirement: 4.5~24V
Power requirement: ≥30W
USB Type-C PD protocol
Voltage requirement: 15V
Power requirement: ≥30W
DC Jack 5.5x2.1mm
Voltage requirement: 4.5~24V
Power requirement: ≥30W
Battery type: 3.7V 18650 lithium-ion battery
Charging current: 1A
Compatible LattePanda Development boards:
LattePanda 3 Delta
LattePanda 2 Alpha
LattePanda 2 Delta
LattePanda 3 Delta
LattePanda 2 Alpha
LattePanda 2 Delta
Operating temperature: 0~60°C
Documents
Shipping List
LattePanda Alpha & Delta UPS Hat x1
Jargon buster
Plain-language definitions for the technical terms used above.
- HDMI
- HDMI is a common digital video and audio connection used by computers, media players, and many displays. If a display kit has HDMI input, it is usually much easier to test with a single-board computer because it can act like a normal monitor.
- HID
- Human Interface Device is a USB device class used for keyboards, mice, gamepads and similar controls. If a board supports HID over USB, it can act like an input device to a computer without needing a custom driver.
- RJ45
- The common plug and socket style used for wired Ethernet network cables. If a board has an RJ45 connector, you can usually plug it into standard Ethernet cabling without making a custom connector.
- UPS
- An uninterruptible power supply is a battery-backed power system that keeps a device running when external power is unplugged or fails. For an embedded computer, it helps prevent sudden shutdowns that can corrupt files or interrupt a project.
- USB Type-C
- A reversible USB connector used for power and data on many modern devices. On this kit it indicates an alternate 5V power input, which may be useful for setup or charging without the solar panel.
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